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| <h2 title="Class ExportSnapshot" class="title">Class ExportSnapshot</h2> |
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| <li>org.apache.hadoop.hbase.snapshot.ExportSnapshot</li> |
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| <dd><a href="../../../../../org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.SnapshotCopy.html" title="class in org.apache.hadoop.hbase.backup.mapreduce">MapReduceBackupCopyJob.SnapshotCopy</a></dd> |
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| <pre>@InterfaceAudience.Public |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.95">ExportSnapshot</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html" title="class in org.apache.hadoop.hbase.util">AbstractHBaseTool</a> |
| implements org.apache.hadoop.util.Tool</pre> |
| <div class="block">Export the specified snapshot to a given FileSystem. |
| |
| The .snapshot/name folder is copied to the destination cluster |
| and then all the hfiles/wals are copied using a Map-Reduce Job in the .archive/ location. |
| When everything is done, the second cluster can restore the snapshot.</div> |
| </li> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.Counter.html" title="enum in org.apache.hadoop.hbase.snapshot">ExportSnapshot.Counter</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.ExportMapper.html" title="class in org.apache.hadoop.hbase.snapshot">ExportSnapshot.ExportMapper</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.ExportSnapshotInputFormat.html" title="class in org.apache.hadoop.hbase.snapshot">ExportSnapshot.ExportSnapshotInputFormat</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
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| <td class="colFirst"><code>(package private) static class </code></td> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
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| <th class="colLast" scope="col">Field and Description</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#bandwidthMB">bandwidthMB</a></span></code> </td> |
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| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_BANDWIDTH_MB">CONF_BANDWIDTH_MB</a></span></code> </td> |
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| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_BUFFER_SIZE">CONF_BUFFER_SIZE</a></span></code> </td> |
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| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_CHECKSUM_VERIFY">CONF_CHECKSUM_VERIFY</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_COPY_MANIFEST_THREADS">CONF_COPY_MANIFEST_THREADS</a></span></code> </td> |
| </tr> |
| <tr 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/snapshot/ExportSnapshot.html#CONF_DEST_PREFIX">CONF_DEST_PREFIX</a></span></code> |
| <div class="block">Configuration prefix for overrides for the destination filesystem</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_FILES_GROUP">CONF_FILES_GROUP</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_FILES_MODE">CONF_FILES_MODE</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_FILES_USER">CONF_FILES_USER</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_INPUT_ROOT">CONF_INPUT_ROOT</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_MAP_GROUP">CONF_MAP_GROUP</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_MR_JOB_NAME">CONF_MR_JOB_NAME</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_NUM_SPLITS">CONF_NUM_SPLITS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_OUTPUT_ROOT">CONF_OUTPUT_ROOT</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected 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/snapshot/ExportSnapshot.html#CONF_SKIP_TMP">CONF_SKIP_TMP</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_SNAPSHOT_DIR">CONF_SNAPSHOT_DIR</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#CONF_SNAPSHOT_NAME">CONF_SNAPSHOT_NAME</a></span></code> </td> |
| </tr> |
| <tr 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/snapshot/ExportSnapshot.html#CONF_SOURCE_PREFIX">CONF_SOURCE_PREFIX</a></span></code> |
| <div class="block">Configuration prefix for overrides for the source filesystem</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#DEFAULT_COPY_MANIFEST_THREADS">DEFAULT_COPY_MANIFEST_THREADS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <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/snapshot/ExportSnapshot.html#filesGroup">filesGroup</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#filesMode">filesMode</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <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/snapshot/ExportSnapshot.html#filesUser">filesUser</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.fs.Path</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#inputRoot">inputRoot</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#mappers">mappers</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>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/snapshot/ExportSnapshot.html#MR_NUM_MAPS">MR_NUM_MAPS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <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/snapshot/ExportSnapshot.html#NAME">NAME</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.fs.Path</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#outputRoot">outputRoot</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#overwrite">overwrite</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <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/snapshot/ExportSnapshot.html#snapshotName">snapshotName</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <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/snapshot/ExportSnapshot.html#targetName">targetName</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#verifyChecksum">verifyChecksum</a></span></code> </td> |
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| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#verifyTarget">verifyTarget</a></span></code> </td> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#ExportSnapshot--">ExportSnapshot</a></span>()</code> </td> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#addOptions--">addOptions</a></span>()</code> |
| <div class="block">Override this to add command-line options using <a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#addOptWithArg-java.lang.String-java.lang.String-"><code>AbstractHBaseTool.addOptWithArg(java.lang.String, java.lang.String)</code></a> |
| and similar methods.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#doWork--">doWork</a></span>()</code> |
| <div class="block">Execute the export snapshot by copying the snapshot metadata, hfiles and wals.</div> |
| </td> |
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| <td class="colFirst"><code>(package 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><<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="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotFileInfo,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#getBalancedSplits-java.util.List-int-">getBalancedSplits</a></span>(<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="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotFileInfo,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>>> files, |
| int ngroups)</code> |
| <div class="block">Given a list of file paths and sizes, create around ngroups in as balanced a way as possible.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <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><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotFileInfo,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#getSnapshotFiles-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">getSnapshotFiles</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path snapshotDir)</code> |
| <div class="block">Extract the list of files (HFiles/WALs) to copy using Map-Reduce.</div> |
| </td> |
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| <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/snapshot/ExportSnapshot.html#main-java.lang.String:A-">main</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>[] args)</code> </td> |
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| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#printUsage--">printUsage</a></span>()</code> </td> |
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| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#processOptions-org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine-">processOptions</a></span>(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)</code> |
| <div class="block">This method is called to process the options after they have been parsed.</div> |
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| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#runCopyJob-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-java.lang.String-org.apache.hadoop.fs.Path-boolean-java.lang.String-java.lang.String-int-int-int-">runCopyJob</a></span>(org.apache.hadoop.fs.Path inputRoot, |
| org.apache.hadoop.fs.Path outputRoot, |
| <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> snapshotName, |
| org.apache.hadoop.fs.Path snapshotDir, |
| boolean verifyChecksum, |
| <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> filesUser, |
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| int filesMode, |
| int mappers, |
| int bandwidthMB)</code> |
| <div class="block">Run Map-Reduce Job to perform the files copy.</div> |
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| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#setConfigParallel-org.apache.hadoop.fs.FileSystem-java.util.List-java.util.function.BiConsumer-org.apache.hadoop.conf.Configuration-">setConfigParallel</a></span>(org.apache.hadoop.fs.FileSystem outputFs, |
| <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> traversedPath, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/BiConsumer.html?is-external=true" title="class or interface in java.util.function">BiConsumer</a><org.apache.hadoop.fs.FileSystem,org.apache.hadoop.fs.Path> task, |
| org.apache.hadoop.conf.Configuration conf)</code> </td> |
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| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#setOwnerParallel-org.apache.hadoop.fs.FileSystem-java.lang.String-java.lang.String-org.apache.hadoop.conf.Configuration-java.util.List-">setOwnerParallel</a></span>(org.apache.hadoop.fs.FileSystem outputFs, |
| <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> filesUser, |
| <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> filesGroup, |
| org.apache.hadoop.conf.Configuration conf, |
| <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> traversedPath)</code> </td> |
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| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#setPermissionParallel-org.apache.hadoop.fs.FileSystem-short-java.util.List-org.apache.hadoop.conf.Configuration-">setPermissionParallel</a></span>(org.apache.hadoop.fs.FileSystem outputFs, |
| short filesMode, |
| <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> traversedPath, |
| org.apache.hadoop.conf.Configuration conf)</code> </td> |
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| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#verifySnapshot-org.apache.hadoop.conf.Configuration-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">verifySnapshot</a></span>(org.apache.hadoop.conf.Configuration baseConf, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path rootDir, |
| org.apache.hadoop.fs.Path snapshotDir)</code> </td> |
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| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path snapshotDir) |
| 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">Extract the list of files (HFiles/WALs) to copy using Map-Reduce.</div> |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of files referenced by the snapshot (pair of path and size)</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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| int ngroups)</pre> |
| <div class="block">Given a list of file paths and sizes, create around ngroups in as balanced a way as possible. |
| The groups created will have similar amounts of bytes. |
| <p> |
| The algorithm used is pretty straightforward; the file list is sorted by size, |
| and then each group fetch the bigger file available, iterating through groups |
| alternating the direction.</div> |
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| org.apache.hadoop.fs.Path outputRoot, |
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| int filesMode, |
| int mappers, |
| int bandwidthMB) |
| 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>, |
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| <div class="block">Run Map-Reduce Job to perform the files copy.</div> |
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| org.apache.hadoop.fs.FileSystem fs, |
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| org.apache.hadoop.fs.Path snapshotDir) |
| 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> |
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| org.apache.hadoop.conf.Configuration conf) |
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| <pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.877">setOwnerParallel</a>(org.apache.hadoop.fs.FileSystem outputFs, |
| <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> filesUser, |
| <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> filesGroup, |
| org.apache.hadoop.conf.Configuration conf, |
| <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> traversedPath) |
| 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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| <h4>setPermissionParallel</h4> |
| <pre>private void <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.889">setPermissionParallel</a>(org.apache.hadoop.fs.FileSystem outputFs, |
| short filesMode, |
| <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> traversedPath, |
| 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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| <h4>processOptions</h4> |
| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.919">processOptions</a>(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#processOptions-org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine-">AbstractHBaseTool</a></code></span></div> |
| <div class="block">This method is called to process the options after they have been parsed.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#processOptions-org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine-">processOptions</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html" title="class in org.apache.hadoop.hbase.util">AbstractHBaseTool</a></code></dd> |
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| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.944">doWork</a>() |
| 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">Execute the export snapshot by copying the snapshot metadata, hfiles and wals.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#doWork--">doWork</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html" title="class in org.apache.hadoop.hbase.util">AbstractHBaseTool</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>0 on success, and != 0 upon failure.</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>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.1117">printUsage</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#printUsage--">printUsage</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html" title="class in org.apache.hadoop.hbase.util">AbstractHBaseTool</a></code></dd> |
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| <h4>addOptions</h4> |
| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.1130">addOptions</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#addOptions--">AbstractHBaseTool</a></code></span></div> |
| <div class="block">Override this to add command-line options using <a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#addOptWithArg-java.lang.String-java.lang.String-"><code>AbstractHBaseTool.addOptWithArg(java.lang.String, java.lang.String)</code></a> |
| and similar methods.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html#addOptions--">addOptions</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/AbstractHBaseTool.html" title="class in org.apache.hadoop.hbase.util">AbstractHBaseTool</a></code></dd> |
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| <h4>main</h4> |
| <pre>public static void <a href="../../../../../src-html/org/apache/hadoop/hbase/snapshot/ExportSnapshot.html#line.1145">main</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>[] args)</pre> |
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