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| <pre>@InterfaceAudience.Private |
| public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.104">FSUtils</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.html" title="class in org.apache.hadoop.hbase.util">CommonFSUtils</a></pre> |
| <div class="block">Utility methods for interacting with the underlying file system.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.BlackListDirFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.BlackListDirFilter</a></span></code> |
| <div class="block">Directory filter that doesn't include any of the directories in the specified blacklist</div> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
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| <div class="block">A <code>PathFilter</code> that only allows directories.</div> |
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| <td class="colFirst"><code>static class </code></td> |
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| <td class="colFirst"><code>(package private) static class </code></td> |
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| <div class="block">A <code>PathFilter</code> that returns only regular files.</div> |
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| <td class="colFirst"><code>static class </code></td> |
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| <div class="block">Filter for HFiles that excludes reference files.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.HFileLinkFilter.html" title="class in org.apache.hadoop.hbase.util">FSUtils.HFileLinkFilter</a></span></code> |
| <div class="block">Filter for HFileLinks (StoreFiles and HFiles not included).</div> |
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| <td class="colFirst"><code>static class </code></td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
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| <div class="block">Filter for all dirs that don't start with '.'</div> |
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| <td class="colFirst"><code>static class </code></td> |
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| <div class="block">A <code>PathFilter</code> that returns usertable directories.</div> |
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| <td class="colFirst"><code>private static int</code></td> |
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| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
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| <td class="colFirst"><code>static boolean</code></td> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.html#FULL_RWX_PERMISSIONS">FULL_RWX_PERMISSIONS</a>, <a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.html#HBASE_WAL_DIR">HBASE_WAL_DIR</a>, <a href="../../../../../org/apache/hadoop/hbase/util/CommonFSUtils.html#UNSAFE_STREAM_CAPABILITY_ENFORCE">UNSAFE_STREAM_CAPABILITY_ENFORCE</a></code></li> |
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| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#FSUtils--">FSUtils</a></span>()</code> </td> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#addToHDFSBlocksDistribution-org.apache.hadoop.hbase.HDFSBlocksDistribution-org.apache.hadoop.fs.BlockLocation:A-">addToHDFSBlocksDistribution</a></span>(<a href="../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> blocksDistribution, |
| org.apache.hadoop.fs.BlockLocation[] blockLocations)</code> |
| <div class="block">Update blocksDistribution with blockLocations</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.fs.FileStatus-org.apache.hadoop.fs.permission.FsAction-">checkAccess</a></span>(org.apache.hadoop.security.UserGroupInformation ugi, |
| org.apache.hadoop.fs.FileStatus file, |
| org.apache.hadoop.fs.permission.FsAction action)</code> |
| <div class="block">Throw an exception if an action is not permitted by a user on a file.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkClusterIdExists-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-int-">checkClusterIdExists</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| int wait)</code> |
| <div class="block">Checks that a cluster ID file exists in the HBase root directory</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkDfsSafeMode-org.apache.hadoop.conf.Configuration-">checkDfsSafeMode</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Check whether dfs is in safemode.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkFileSystemAvailable-org.apache.hadoop.fs.FileSystem-">checkFileSystemAvailable</a></span>(org.apache.hadoop.fs.FileSystem fs)</code> |
| <div class="block">Checks to see if the specified file system is available</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkShortCircuitReadBufferSize-org.apache.hadoop.conf.Configuration-">checkShortCircuitReadBufferSize</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Check if short circuit read buffer size is set and if not, set it to hbase value.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkVersion-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-boolean-">checkVersion</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| boolean message)</code> |
| <div class="block">Verifies current version of file system</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#checkVersion-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-boolean-int-int-">checkVersion</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| boolean message, |
| int wait, |
| int retries)</code> |
| <div class="block">Verifies current version of file system</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#computeHDFSBlocksDistribution-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.FileStatus-long-long-">computeHDFSBlocksDistribution</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.FileStatus status, |
| long start, |
| long length)</code> |
| <div class="block">Compute HDFS blocks distribution of a given file, or a portion of the file</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>private static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#contains-java.lang.String:A-java.lang.String-">contains</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] groups, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#copyFiles-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-java.util.concurrent.ExecutorService-java.util.List-">copyFiles</a></span>(org.apache.hadoop.fs.FileSystem srcFS, |
| org.apache.hadoop.fs.Path src, |
| org.apache.hadoop.fs.FileSystem dstFS, |
| org.apache.hadoop.fs.Path dst, |
| org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a> pool, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>>> futures)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#copyFilesParallel-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-int-">copyFilesParallel</a></span>(org.apache.hadoop.fs.FileSystem srcFS, |
| org.apache.hadoop.fs.Path src, |
| org.apache.hadoop.fs.FileSystem dstFS, |
| org.apache.hadoop.fs.Path dst, |
| org.apache.hadoop.conf.Configuration conf, |
| int threads)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.FSDataOutputStream</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#create-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.net.InetSocketAddress:A-">create</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path path, |
| org.apache.hadoop.fs.permission.FsPermission perm, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>[] favoredNodes)</code> |
| <div class="block">Create the specified file on the filesystem.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#deleteRegionDir-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.HRegionInfo-">deleteRegionDir</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> hri)</code> |
| <div class="block">Delete the region directory if exists.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.FileStatus></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#filterFileStatuses-org.apache.hadoop.fs.FileStatus:A-org.apache.hadoop.hbase.util.FileStatusFilter-">filterFileStatuses</a></span>(org.apache.hadoop.fs.FileStatus[] input, |
| <a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a> filter)</code> |
| <div class="block">Filters FileStatuses in an array and returns a list</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.FileStatus></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#filterFileStatuses-java.util.Iterator-org.apache.hadoop.hbase.util.FileStatusFilter-">filterFileStatuses</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><org.apache.hadoop.fs.FileStatus> input, |
| <a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a> filter)</code> |
| <div class="block">Filters FileStatuses in an iterator and returns a list</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/ClusterId.html" title="class in org.apache.hadoop.hbase">ClusterId</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getClusterId-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getClusterId</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir)</code> |
| <div class="block">Returns the value of the unique cluster ID stored for this HBase instance.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.hdfs.DFSHedgedReadMetrics</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getDFSHedgedReadMetrics-org.apache.hadoop.conf.Configuration-">getDFSHedgedReadMetrics</a></span>(org.apache.hadoop.conf.Configuration c)</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getFamilyDirs-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getFamilyDirs</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path regionDir)</code> |
| <div class="block">Given a particular region dir, return all the familydirs inside it</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html" title="class in org.apache.hadoop.hbase.util">FSUtils</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getInstance-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.conf.Configuration-">getInstance</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.conf.Configuration conf)</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getLocalTableDirs-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getLocalTableDirs</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir)</code> </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getReferenceFilePaths-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getReferenceFilePaths</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path familyDir)</code> </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionDegreeLocalityMappingFromFS-org.apache.hadoop.conf.Configuration-">getRegionDegreeLocalityMappingFromFS</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">This function is to scan the root path of the file system to get the |
| degree of locality for each region on each of the servers having at least |
| one block of that region.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionDegreeLocalityMappingFromFS-org.apache.hadoop.conf.Configuration-java.lang.String-int-">getRegionDegreeLocalityMappingFromFS</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> desiredTable, |
| int threadPoolSize)</code> |
| <div class="block">This function is to scan the root path of the file system to get the |
| degree of locality for each region on each of the servers having at least |
| one block of that region.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionDirFromRootDir-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.client.RegionInfo-">getRegionDirFromRootDir</a></span>(org.apache.hadoop.fs.Path rootDir, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</code> </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.hadoop.fs.Path</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionDirFromTableDir-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.client.RegionInfo-">getRegionDirFromTableDir</a></span>(org.apache.hadoop.fs.Path tableDir, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</code> </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionDirs-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getRegionDirs</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path tableDir)</code> |
| <div class="block">Given a particular table dir, return all the regiondirs inside it, excluding files such as |
| .tableinfo</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionLocalityMappingFromFS-org.apache.hadoop.conf.Configuration-java.lang.String-int-java.util.Map-java.util.Map-">getRegionLocalityMappingFromFS</a></span>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> desiredTable, |
| int threadPoolSize, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> regionToBestLocalityRSMapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a>>> regionDegreeLocalityMapping)</code> |
| <div class="block">This function is to scan the root path of the file system to get either the |
| mapping between the region name and its best locality region server or the |
| degree of locality of each region on each of the servers having at least |
| one block of that region.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getRegionReferenceFileCount-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getRegionReferenceFileCount</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p)</code> </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableDirs-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getTableDirs</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir)</code> </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableFragmentation-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getTableFragmentation</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir)</code> |
| <div class="block">Runs through the HBase rootdir and checks how many stores for each table |
| have more than one file in them.</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableFragmentation-org.apache.hadoop.hbase.master.HMaster-">getTableFragmentation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a> master)</code> |
| <div class="block">Runs through the HBase rootdir and checks how many stores for each table |
| have more than one file in them.</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableStoreFilePathMap-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getTableStoreFilePathMap</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir)</code> |
| <div class="block">Runs through the HBase rootdir and creates a reverse lookup map for |
| table StoreFile names to the full Path.</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableStoreFilePathMap-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.PathFilter-java.util.concurrent.ExecutorService-org.apache.hadoop.hbase.util.HbckErrorReporter-">getTableStoreFilePathMap</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir, |
| org.apache.hadoop.fs.PathFilter sfFilter, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a> executor, |
| <a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a> errors)</code> |
| <div class="block">Runs through the HBase rootdir and creates a reverse lookup map for |
| table StoreFile names to the full Path.</div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableStoreFilePathMap-java.util.Map-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-">getTableStoreFilePathMap</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> map, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir, |
| <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName)</code> |
| <div class="block">Runs through the HBase rootdir/tablename and creates a reverse lookup map for |
| table StoreFile names to the full Path.</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTableStoreFilePathMap-java.util.Map-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-org.apache.hadoop.fs.PathFilter-java.util.concurrent.ExecutorService-org.apache.hadoop.hbase.util.HbckErrorReporter-">getTableStoreFilePathMap</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> resultMap, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir, |
| <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName, |
| org.apache.hadoop.fs.PathFilter sfFilter, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a> executor, |
| <a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a> errors)</code> |
| <div class="block">Runs through the HBase rootdir/tablename and creates a reverse lookup map for |
| table StoreFile names to the full Path.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getTotalTableFragmentation-org.apache.hadoop.hbase.master.HMaster-">getTotalTableFragmentation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a> master)</code> |
| <div class="block">Returns the total overall fragmentation percentage.</div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#getVersion-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getVersion</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir)</code> |
| <div class="block">Verifies current version of file system</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#isDistributedFileSystem-org.apache.hadoop.fs.FileSystem-">isDistributedFileSystem</a></span>(org.apache.hadoop.fs.FileSystem fs)</code> </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>private static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#isInSafeMode-org.apache.hadoop.hdfs.DistributedFileSystem-">isInSafeMode</a></span>(org.apache.hadoop.hdfs.DistributedFileSystem dfs)</code> |
| <div class="block">We use reflection because <code>DistributedFileSystem.setSafeMode( |
| HdfsConstants.SafeModeAction action, boolean isChecked)</code> is not in hadoop 1.1</div> |
| </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#isMatchingTail-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">isMatchingTail</a></span>(org.apache.hadoop.fs.Path pathToSearch, |
| org.apache.hadoop.fs.Path pathTail)</code> |
| <div class="block">Compare path component of the Path URI; e.g.</div> |
| </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.FileStatus></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#listStatusWithStatusFilter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.util.FileStatusFilter-">listStatusWithStatusFilter</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path dir, |
| <a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a> filter)</code> |
| <div class="block">Calls fs.listStatus() and treats FileNotFoundException as non-fatal |
| This accommodates differences between hadoop versions, where hadoop 1 |
| does not throw a FileNotFoundException, and return an empty FileStatus[] |
| while Hadoop 2 will throw FileNotFoundException.</div> |
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| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#metaRegionExists-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">metaRegionExists</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootDir)</code> |
| <div class="block">Checks if meta region exists</div> |
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| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>(package private) static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#parseVersionFrom-byte:A-">parseVersionFrom</a></span>(byte[] bytes)</code> |
| <div class="block">Parse the content of the ${HBASE_ROOTDIR}/hbase.version file.</div> |
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| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#recoverFileLease-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-">recoverFileLease</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| org.apache.hadoop.conf.Configuration conf)</code> </td> |
| </tr> |
| <tr id="i45" class="rowColor"> |
| <td class="colFirst"><code>abstract void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#recoverFileLease-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.util.CancelableProgressable-">recoverFileLease</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| org.apache.hadoop.conf.Configuration conf, |
| <a href="../../../../../org/apache/hadoop/hbase/util/CancelableProgressable.html" title="interface in org.apache.hadoop.hbase.util">CancelableProgressable</a> reporter)</code> |
| <div class="block">Recover file lease.</div> |
| </td> |
| </tr> |
| <tr id="i46" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#renameFile-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">renameFile</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path src, |
| org.apache.hadoop.fs.Path dst)</code> </td> |
| </tr> |
| <tr id="i47" class="rowColor"> |
| <td class="colFirst"><code>private static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#rewriteAsPb-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.ClusterId-">rewriteAsPb</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| org.apache.hadoop.fs.Path p, |
| <a href="../../../../../org/apache/hadoop/hbase/ClusterId.html" title="class in org.apache.hadoop.hbase">ClusterId</a> cid)</code> </td> |
| </tr> |
| <tr id="i48" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#setClusterId-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.ClusterId-int-">setClusterId</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| <a href="../../../../../org/apache/hadoop/hbase/ClusterId.html" title="class in org.apache.hadoop.hbase">ClusterId</a> clusterId, |
| int wait)</code> |
| <div class="block">Writes a new unique identifier for this cluster to the "hbase.id" file |
| in the HBase root directory</div> |
| </td> |
| </tr> |
| <tr id="i49" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#setupShortCircuitRead-org.apache.hadoop.conf.Configuration-">setupShortCircuitRead</a></span>(org.apache.hadoop.conf.Configuration conf)</code> |
| <div class="block">Do our short circuit read setup.</div> |
| </td> |
| </tr> |
| <tr id="i50" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#setVersion-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">setVersion</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir)</code> |
| <div class="block">Sets version of file system</div> |
| </td> |
| </tr> |
| <tr id="i51" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#setVersion-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-int-int-">setVersion</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| int wait, |
| int retries)</code> |
| <div class="block">Sets version of file system</div> |
| </td> |
| </tr> |
| <tr id="i52" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#setVersion-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-java.lang.String-int-int-">setVersion</a></span>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> version, |
| int wait, |
| int retries)</code> |
| <div class="block">Sets version of file system</div> |
| </td> |
| </tr> |
| <tr id="i53" class="rowColor"> |
| <td class="colFirst"><code>(package private) static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#toVersionByteArray-java.lang.String-">toVersionByteArray</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> version)</code> |
| <div class="block">Create the content to write into the ${HBASE_ROOTDIR}/hbase.version file.</div> |
| </td> |
| </tr> |
| <tr id="i54" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/FSUtils.html#waitOnSafeMode-org.apache.hadoop.conf.Configuration-long-">waitOnSafeMode</a></span>(org.apache.hadoop.conf.Configuration conf, |
| long wait)</code> |
| <div class="block">If DFS, check safe mode and if so, wait until we clear it.</div> |
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| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True is <code>fs</code> is instance of DistributedFileSystem</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| org.apache.hadoop.fs.Path pathTail)</pre> |
| <div class="block">Compare path component of the Path URI; e.g. if hdfs://a/b/c and /a/b/c, it will compare the |
| '/a/b/c' part. If you passed in 'hdfs://a/b/c and b/c, it would return true. Does not consider |
| schema; i.e. if schemas different but path or subpath matches, the two will equate.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pathToSearch</code> - Path we will be trying to match.</dd> |
| <dd><code>pathTail</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if <code>pathTail</code> is tail on the path of <code>pathToSearch</code></dd> |
| </dl> |
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| org.apache.hadoop.conf.Configuration conf)</pre> |
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| <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class in org.apache.hadoop.hbase">HRegionInfo</a> hri) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Delete the region directory if exists.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - </dd> |
| <dd><code>hri</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if deleted the region directory.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="create-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.permission.FsPermission-java.net.InetSocketAddress:A-"> |
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| <pre>public static org.apache.hadoop.fs.FSDataOutputStream <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.209">create</a>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path path, |
| org.apache.hadoop.fs.permission.FsPermission perm, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>[] favoredNodes) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Create the specified file on the filesystem. By default, this will: |
| <ol> |
| <li>overwrite the file if it exists</li> |
| <li>apply the umask in the configuration (if it is enabled)</li> |
| <li>use the fs configured buffer size (or 4096 if not set)</li> |
| <li>use the configured column family replication or default replication if |
| <a href="../../../../../org/apache/hadoop/hbase/HColumnDescriptor.html#DEFAULT_DFS_REPLICATION"><code>HColumnDescriptor.DEFAULT_DFS_REPLICATION</code></a></li> |
| <li>use the default block size</li> |
| <li>not track progress</li> |
| </ol></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - configurations</dd> |
| <dd><code>fs</code> - <code>FileSystem</code> on which to write the file</dd> |
| <dd><code>path</code> - <code>Path</code> to the file to write</dd> |
| <dd><code>perm</code> - permissions</dd> |
| <dd><code>favoredNodes</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>output stream to the created file</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if the file cannot be created</dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.249">checkFileSystemAvailable</a>(org.apache.hadoop.fs.FileSystem fs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Checks to see if the specified file system is available</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - filesystem</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
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| <pre>private static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.282">isInSafeMode</a>(org.apache.hadoop.hdfs.DistributedFileSystem dfs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">We use reflection because <code>DistributedFileSystem.setSafeMode( |
| HdfsConstants.SafeModeAction action, boolean isChecked)</code> is not in hadoop 1.1</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dfs</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether we're in safe mode</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.304">checkDfsSafeMode</a>(org.apache.hadoop.conf.Configuration conf) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Check whether dfs is in safemode.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - </dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>getVersion</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.326">getVersion</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></pre> |
| <div class="block">Verifies current version of file system</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - filesystem object</dd> |
| <dd><code>rootdir</code> - root hbase directory</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>null if no version file exists, version string otherwise.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code></dd> |
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| <pre>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.369">parseVersionFrom</a>(byte[] bytes) |
| throws <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></pre> |
| <div class="block">Parse the content of the ${HBASE_ROOTDIR}/hbase.version file.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bytes</code> - The byte content of the hbase.version file.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The version found in the file as a String.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code></dd> |
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| <pre>static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.389">toVersionByteArray</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> version)</pre> |
| <div class="block">Create the content to write into the ${HBASE_ROOTDIR}/hbase.version file.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>version</code> - Version to persist</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Serialized protobuf with <code>version</code> content and a bit of pb magic for a prefix.</dd> |
| </dl> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.405">checkVersion</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| boolean message) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></pre> |
| <div class="block">Verifies current version of file system</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - file system</dd> |
| <dd><code>rootdir</code> - root directory of HBase installation</dd> |
| <dd><code>message</code> - if true, issues a message on System.out</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code></dd> |
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| org.apache.hadoop.fs.Path rootdir, |
| boolean message, |
| int wait, |
| int retries) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></pre> |
| <div class="block">Verifies current version of file system</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - file system</dd> |
| <dd><code>rootdir</code> - root directory of HBase installation</dd> |
| <dd><code>message</code> - if true, issues a message on System.out</dd> |
| <dd><code>wait</code> - wait interval</dd> |
| <dd><code>retries</code> - number of times to retry</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html" title="class in org.apache.hadoop.hbase.exceptions">DeserializationException</a></code></dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.462">setVersion</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Sets version of file system</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - filesystem object</dd> |
| <dd><code>rootdir</code> - hbase root</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
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| org.apache.hadoop.fs.Path rootdir, |
| int wait, |
| int retries) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Sets version of file system</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - filesystem object</dd> |
| <dd><code>rootdir</code> - hbase root</dd> |
| <dd><code>wait</code> - time to wait for retry</dd> |
| <dd><code>retries</code> - number of times to retry before failing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.493">setVersion</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> version, |
| int wait, |
| int retries) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Sets version of file system</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - filesystem object</dd> |
| <dd><code>rootdir</code> - hbase root directory</dd> |
| <dd><code>version</code> - version to set</dd> |
| <dd><code>wait</code> - time to wait for retry</dd> |
| <dd><code>retries</code> - number of times to retry before throwing an IOException</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
| </dl> |
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| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.550">checkClusterIdExists</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| int wait) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Checks that a cluster ID file exists in the HBase root directory</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - the root directory FileSystem</dd> |
| <dd><code>rootdir</code> - the HBase root directory in HDFS</dd> |
| <dd><code>wait</code> - how long to wait between retries</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if the file exists, otherwise <code>false</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if checking the FileSystem fails</dd> |
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| <h4>getClusterId</h4> |
| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/ClusterId.html" title="class in org.apache.hadoop.hbase">ClusterId</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.579">getClusterId</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Returns the value of the unique cluster ID stored for this HBase instance.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - the root directory FileSystem</dd> |
| <dd><code>rootdir</code> - the path to the HBase root directory</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the unique cluster identifier</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if reading the cluster ID file fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="rewriteAsPb-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.ClusterId-"> |
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| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.625">rewriteAsPb</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| org.apache.hadoop.fs.Path p, |
| <a href="../../../../../org/apache/hadoop/hbase/ClusterId.html" title="class in org.apache.hadoop.hbase">ClusterId</a> cid) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cid</code> - </dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.648">setClusterId</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir, |
| <a href="../../../../../org/apache/hadoop/hbase/ClusterId.html" title="class in org.apache.hadoop.hbase">ClusterId</a> clusterId, |
| int wait) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Writes a new unique identifier for this cluster to the "hbase.id" file |
| in the HBase root directory</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - the root directory FileSystem</dd> |
| <dd><code>rootdir</code> - the path to the HBase root directory</dd> |
| <dd><code>clusterId</code> - the unique identifier to store</dd> |
| <dd><code>wait</code> - how long (in milliseconds) to wait between retries</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if writing to the FileSystem fails and no wait value</dd> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.698">waitOnSafeMode</a>(org.apache.hadoop.conf.Configuration conf, |
| long wait) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">If DFS, check safe mode and if so, wait until we clear it.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - configuration</dd> |
| <dd><code>wait</code> - Sleep between retries</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - e</dd> |
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| org.apache.hadoop.fs.Path rootDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Checks if meta region exists</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - file system</dd> |
| <dd><code>rootDir</code> - root directory of HBase installation</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if exists</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static <a href="../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.734">computeHDFSBlocksDistribution</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.FileStatus status, |
| long start, |
| long length) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Compute HDFS blocks distribution of a given file, or a portion of the file</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - file system</dd> |
| <dd><code>status</code> - file status of the file</dd> |
| <dd><code>start</code> - start position of the portion</dd> |
| <dd><code>length</code> - length of the portion</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The HDFS blocks distribution</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.754">addToHDFSBlocksDistribution</a>(<a href="../../../../../org/apache/hadoop/hbase/HDFSBlocksDistribution.html" title="class in org.apache.hadoop.hbase">HDFSBlocksDistribution</a> blocksDistribution, |
| org.apache.hadoop.fs.BlockLocation[] blockLocations) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Update blocksDistribution with blockLocations</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>blocksDistribution</code> - the hdfs blocks distribution</dd> |
| <dd><code>blockLocations</code> - an array containing block location</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.773">getTotalTableFragmentation</a>(<a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a> master) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Returns the total overall fragmentation percentage. Includes hbase:meta and |
| -ROOT- as well.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>master</code> - The master defining the HBase root and file system.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A map for each table and its percentage.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.789">getTableFragmentation</a>(<a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a> master) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Runs through the HBase rootdir and checks how many stores for each table |
| have more than one file in them. Checks -ROOT- and hbase:meta too. The total |
| percentage across all tables is stored under the special key "-TOTAL-".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>master</code> - The master defining the HBase root and file system.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A map for each table and its percentage.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
| </dl> |
| </li> |
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| <a name="getTableFragmentation-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| <h4>getTableFragmentation</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.808">getTableFragmentation</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Runs through the HBase rootdir and checks how many stores for each table |
| have more than one file in them. Checks -ROOT- and hbase:meta too. The total |
| percentage across all tables is stored under the special key "-TOTAL-".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The file system to use.</dd> |
| <dd><code>hbaseRootDir</code> - The root directory to scan.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A map for each table and its percentage.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="renameFile-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-"> |
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| org.apache.hadoop.fs.Path src, |
| org.apache.hadoop.fs.Path dst) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <a name="recoverFileLease-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-"> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.952">recoverFileLease</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| org.apache.hadoop.conf.Configuration conf) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <a name="recoverFileLease-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.util.CancelableProgressable-"> |
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| <pre>public abstract void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.965">recoverFileLease</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| org.apache.hadoop.conf.Configuration conf, |
| <a href="../../../../../org/apache/hadoop/hbase/util/CancelableProgressable.html" title="interface in org.apache.hadoop.hbase.util">CancelableProgressable</a> reporter) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Recover file lease. Used when a file might be suspect |
| to be had been left open by another process.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - FileSystem handle</dd> |
| <dd><code>p</code> - Path of file to recover lease</dd> |
| <dd><code>conf</code> - Configuration handle</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.968">getTableDirs</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <a name="getLocalTableDirs-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| <h4>getLocalTableDirs</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.987">getLocalTableDirs</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootdir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - </dd> |
| <dd><code>rootdir</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>All the table directories under <code>rootdir</code>. Ignore non table hbase folders such as |
| .logs, .oldlogs, .corrupt folders.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getRegionDirs</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1034">getRegionDirs</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path tableDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Given a particular table dir, return all the regiondirs inside it, excluding files such as |
| .tableinfo</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - A file system for the Path</dd> |
| <dd><code>tableDir</code> - Path to a specific table directory <hbase.rootdir>/<tabledir></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of paths to valid region directories in table dir.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRegionDirFromRootDir-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <h4>getRegionDirFromRootDir</h4> |
| <pre>public static org.apache.hadoop.fs.Path <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1048">getRegionDirFromRootDir</a>(org.apache.hadoop.fs.Path rootDir, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</pre> |
| </li> |
| </ul> |
| <a name="getRegionDirFromTableDir-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.client.RegionInfo-"> |
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| <pre>public static org.apache.hadoop.fs.Path <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1052">getRegionDirFromTableDir</a>(org.apache.hadoop.fs.Path tableDir, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> region)</pre> |
| </li> |
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| <a name="getFamilyDirs-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| <h4>getFamilyDirs</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1095">getFamilyDirs</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path regionDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Given a particular region dir, return all the familydirs inside it</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - A file system for the Path</dd> |
| <dd><code>regionDir</code> - Path to a specific region directory</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of paths to valid family directories in region dir.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getReferenceFilePaths-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| <h4>getReferenceFilePaths</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1106">getReferenceFilePaths</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path familyDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTableStoreFilePathMap-java.util.Map-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-"> |
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| <h4>getTableStoreFilePathMap</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1198">getTableStoreFilePathMap</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> map, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir, |
| <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Runs through the HBase rootdir/tablename and creates a reverse lookup map for |
| table StoreFile names to the full Path. |
| <br> |
| Example...<br> |
| Key = 3944417774205889744 <br> |
| Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>map</code> - map to add values. If null, this method will create and populate one to return</dd> |
| <dd><code>fs</code> - The file system to use.</dd> |
| <dd><code>hbaseRootDir</code> - The root directory to scan.</dd> |
| <dd><code>tableName</code> - name of the table to scan.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map keyed by StoreFile name with a value of the full Path.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTableStoreFilePathMap-java.util.Map-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.TableName-org.apache.hadoop.fs.PathFilter-java.util.concurrent.ExecutorService-org.apache.hadoop.hbase.util.HbckErrorReporter-"> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1226">getTableStoreFilePathMap</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> resultMap, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir, |
| <a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a> tableName, |
| org.apache.hadoop.fs.PathFilter sfFilter, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a> executor, |
| <a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a> errors) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Runs through the HBase rootdir/tablename and creates a reverse lookup map for |
| table StoreFile names to the full Path. Note that because this method can be called |
| on a 'live' HBase system that we will skip files that no longer exist by the time |
| we traverse them and similarly the user of the result needs to consider that some |
| entries in this map may not exist by the time this call completes. |
| <br> |
| Example...<br> |
| Key = 3944417774205889744 <br> |
| Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>resultMap</code> - map to add values. If null, this method will create and populate one to return</dd> |
| <dd><code>fs</code> - The file system to use.</dd> |
| <dd><code>hbaseRootDir</code> - The root directory to scan.</dd> |
| <dd><code>tableName</code> - name of the table to scan.</dd> |
| <dd><code>sfFilter</code> - optional path filter to apply to store files</dd> |
| <dd><code>executor</code> - optional executor service to parallelize this operation</dd> |
| <dd><code>errors</code> - ErrorReporter instance or null</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map keyed by StoreFile name with a value of the full Path.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRegionReferenceFileCount-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| <h4>getRegionReferenceFileCount</h4> |
| <pre>public static int <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1341">getRegionReferenceFileCount</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p)</pre> |
| </li> |
| </ul> |
| <a name="getTableStoreFilePathMap-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-"> |
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| <h4>getTableStoreFilePathMap</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1367">getTableStoreFilePathMap</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Runs through the HBase rootdir and creates a reverse lookup map for |
| table StoreFile names to the full Path. |
| <br> |
| Example...<br> |
| Key = 3944417774205889744 <br> |
| Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The file system to use.</dd> |
| <dd><code>hbaseRootDir</code> - The root directory to scan.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map keyed by StoreFile name with a value of the full Path.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTableStoreFilePathMap-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.PathFilter-java.util.concurrent.ExecutorService-org.apache.hadoop.hbase.util.HbckErrorReporter-"> |
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| <h4>getTableStoreFilePathMap</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1390">getTableStoreFilePathMap</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path hbaseRootDir, |
| org.apache.hadoop.fs.PathFilter sfFilter, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a> executor, |
| <a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a> errors) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> |
| <div class="block">Runs through the HBase rootdir and creates a reverse lookup map for |
| table StoreFile names to the full Path. |
| <br> |
| Example...<br> |
| Key = 3944417774205889744 <br> |
| Value = hdfs://localhost:51169/user/userid/-ROOT-/70236052/info/3944417774205889744</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - The file system to use.</dd> |
| <dd><code>hbaseRootDir</code> - The root directory to scan.</dd> |
| <dd><code>sfFilter</code> - optional path filter to apply to store files</dd> |
| <dd><code>executor</code> - optional executor service to parallelize this operation</dd> |
| <dd><code>errors</code> - ErrorReporter instance or null</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map keyed by StoreFile name with a value of the full Path.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - When scanning the directory fails.</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterFileStatuses-org.apache.hadoop.fs.FileStatus:A-org.apache.hadoop.hbase.util.FileStatusFilter-"> |
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| <h4>filterFileStatuses</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.FileStatus> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1414">filterFileStatuses</a>(org.apache.hadoop.fs.FileStatus[] input, |
| <a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a> filter)</pre> |
| <div class="block">Filters FileStatuses in an array and returns a list</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - An array of FileStatuses</dd> |
| <dd><code>filter</code> - A required filter to filter the array</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of FileStatuses</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="filterFileStatuses-java.util.Iterator-org.apache.hadoop.hbase.util.FileStatusFilter-"> |
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| </a> |
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| <h4>filterFileStatuses</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.FileStatus> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1427">filterFileStatuses</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><org.apache.hadoop.fs.FileStatus> input, |
| <a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a> filter)</pre> |
| <div class="block">Filters FileStatuses in an iterator and returns a list</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>input</code> - An iterator of FileStatuses</dd> |
| <dd><code>filter</code> - A required filter to filter the array</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of FileStatuses</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="listStatusWithStatusFilter-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.util.FileStatusFilter-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>listStatusWithStatusFilter</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.FileStatus> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1451">listStatusWithStatusFilter</a>(org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path dir, |
| <a href="../../../../../org/apache/hadoop/hbase/util/FileStatusFilter.html" title="interface in org.apache.hadoop.hbase.util">FileStatusFilter</a> filter) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Calls fs.listStatus() and treats FileNotFoundException as non-fatal |
| This accommodates differences between hadoop versions, where hadoop 1 |
| does not throw a FileNotFoundException, and return an empty FileStatus[] |
| while Hadoop 2 will throw FileNotFoundException.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fs</code> - file system</dd> |
| <dd><code>dir</code> - directory</dd> |
| <dd><code>filter</code> - file status filter</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>null if dir is empty or doesn't exist, otherwise FileStatus list</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.fs.FileStatus-org.apache.hadoop.fs.permission.FsAction-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>checkAccess</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1489">checkAccess</a>(org.apache.hadoop.security.UserGroupInformation ugi, |
| org.apache.hadoop.fs.FileStatus file, |
| org.apache.hadoop.fs.permission.FsAction action) |
| throws <a href="../../../../../org/apache/hadoop/hbase/security/AccessDeniedException.html" title="class in org.apache.hadoop.hbase.security">AccessDeniedException</a></pre> |
| <div class="block">Throw an exception if an action is not permitted by a user on a file.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ugi</code> - the user</dd> |
| <dd><code>file</code> - the file</dd> |
| <dd><code>action</code> - the action</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/security/AccessDeniedException.html" title="class in org.apache.hadoop.hbase.security">AccessDeniedException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="contains-java.lang.String:A-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>contains</h4> |
| <pre>private static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1506">contains</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] groups, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</pre> |
| </li> |
| </ul> |
| <a name="getRegionDegreeLocalityMappingFromFS-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
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| <h4>getRegionDegreeLocalityMappingFromFS</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1528">getRegionDegreeLocalityMappingFromFS</a>(org.apache.hadoop.conf.Configuration conf) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This function is to scan the root path of the file system to get the |
| degree of locality for each region on each of the servers having at least |
| one block of that region. |
| This is used by the tool <a href="../../../../../org/apache/hadoop/hbase/master/RegionPlacementMaintainer.html" title="class in org.apache.hadoop.hbase.master"><code>RegionPlacementMaintainer</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the configuration to use</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the mapping from region encoded name to a map of server names to |
| locality fraction</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of file system errors or interrupts</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getRegionDegreeLocalityMappingFromFS</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1552">getRegionDegreeLocalityMappingFromFS</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> desiredTable, |
| int threadPoolSize) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This function is to scan the root path of the file system to get the |
| degree of locality for each region on each of the servers having at least |
| one block of that region.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the configuration to use</dd> |
| <dd><code>desiredTable</code> - the table you wish to scan locality for</dd> |
| <dd><code>threadPoolSize</code> - the thread pool size to use</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the mapping from region encoded name to a map of server names to |
| locality fraction</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of file system errors or interrupts</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRegionLocalityMappingFromFS-org.apache.hadoop.conf.Configuration-java.lang.String-int-java.util.Map-java.util.Map-"> |
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| <h4>getRegionLocalityMappingFromFS</h4> |
| <pre>private static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1581">getRegionLocalityMappingFromFS</a>(org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> desiredTable, |
| int threadPoolSize, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> regionToBestLocalityRSMapping, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Float.html?is-external=true" title="class or interface in java.lang">Float</a>>> regionDegreeLocalityMapping) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This function is to scan the root path of the file system to get either the |
| mapping between the region name and its best locality region server or the |
| degree of locality of each region on each of the servers having at least |
| one block of that region. The output map parameters are both optional.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - the configuration to use</dd> |
| <dd><code>desiredTable</code> - the table you wish to scan locality for</dd> |
| <dd><code>threadPoolSize</code> - the thread pool size to use</dd> |
| <dd><code>regionToBestLocalityRSMapping</code> - the map into which to put the best locality mapping or null</dd> |
| <dd><code>regionDegreeLocalityMapping</code> - the map into which to put the locality degree mapping or null, |
| must be a thread-safe implementation</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in case of file system errors or interrupts</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>setupShortCircuitRead</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1691">setupShortCircuitRead</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| <div class="block">Do our short circuit read setup. |
| Checks buffer size to use and whether to do checksumming in hbase or hdfs.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>checkShortCircuitReadBufferSize</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1709">checkShortCircuitReadBufferSize</a>(org.apache.hadoop.conf.Configuration conf)</pre> |
| <div class="block">Check if short circuit read buffer size is set and if not, set it to hbase value.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - </dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDFSHedgedReadMetrics-org.apache.hadoop.conf.Configuration-"> |
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| </a> |
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| <h4>getDFSHedgedReadMetrics</h4> |
| <pre>public static org.apache.hadoop.hdfs.DFSHedgedReadMetrics <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1727">getDFSHedgedReadMetrics</a>(org.apache.hadoop.conf.Configuration c) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The DFSClient DFSHedgedReadMetrics instance or null if can't be found or not on hdfs.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1765">copyFilesParallel</a>(org.apache.hadoop.fs.FileSystem srcFS, |
| org.apache.hadoop.fs.Path src, |
| org.apache.hadoop.fs.FileSystem dstFS, |
| org.apache.hadoop.fs.Path dst, |
| org.apache.hadoop.conf.Configuration conf, |
| int threads) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="copyFiles-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.conf.Configuration-java.util.concurrent.ExecutorService-java.util.List-"> |
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| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path> <a href="../../../../../src-html/org/apache/hadoop/hbase/util/FSUtils.html#line.1783">copyFiles</a>(org.apache.hadoop.fs.FileSystem srcFS, |
| org.apache.hadoop.fs.Path src, |
| org.apache.hadoop.fs.FileSystem dstFS, |
| org.apache.hadoop.fs.Path dst, |
| org.apache.hadoop.conf.Configuration conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a> pool, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>>> futures) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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