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| <h2 title="Class HbckTableInfo.HDFSIntegrityFixer" class="title">Class HbckTableInfo.HDFSIntegrityFixer</h2> |
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| <li><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandlerImpl.html" title="class in org.apache.hadoop.hbase.util.hbck">org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandlerImpl</a></li> |
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| <li><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html" title="class in org.apache.hadoop.hbase.util">org.apache.hadoop.hbase.util.HbckTableInfo.IntegrityFixSuggester</a></li> |
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| <li>org.apache.hadoop.hbase.util.HbckTableInfo.HDFSIntegrityFixer</li> |
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| <dd><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo</a></dd> |
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| <pre>class <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.html#line.254">HbckTableInfo.HDFSIntegrityFixer</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo.IntegrityFixSuggester</a></pre> |
| <div class="block">This handler fixes integrity errors from hdfs information. There are |
| basically three classes of integrity problems 1) holes, 2) overlaps, and |
| 3) invalid regions. |
| |
| This class overrides methods that fix holes and the overlap group case. |
| Individual cases of particular overlaps are handled by the general |
| overlap group merge repair case. |
| |
| If hbase is online, this forces regions offline before doing merge |
| operations.</div> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) org.apache.hadoop.conf.Configuration</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#conf">conf</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#fixOverlaps">fixOverlaps</a></span></code> </td> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html#errors">errors</a></code></li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#HDFSIntegrityFixer-org.apache.hadoop.hbase.util.HbckTableInfo-org.apache.hadoop.hbase.util.HbckErrorReporter-org.apache.hadoop.conf.Configuration-boolean-boolean-">HDFSIntegrityFixer</a></span>(<a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo</a> ti, |
| <a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a> errors, |
| org.apache.hadoop.conf.Configuration conf, |
| boolean fixHoles, |
| boolean fixOverlaps)</code> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#handleHoleInRegionChain-byte:A-byte:A-">handleHoleInRegionChain</a></span>(byte[] holeStartKey, |
| byte[] holeStopKey)</code> |
| <div class="block">There is a hole in the hdfs regions that violates the table integrity |
| rules.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#handleOverlapGroup-java.util.Collection-">handleOverlapGroup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> overlap)</code> |
| <div class="block">This takes set of overlapping regions and merges them into a single |
| region.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#handleRegionEndKeyNotEmpty-byte:A-">handleRegionEndKeyNotEmpty</a></span>(byte[] curEndKey)</code> |
| <div class="block">Callback for handling case where a Table has a last region that does not |
| have an empty end key.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#handleRegionStartKeyNotEmpty-org.apache.hadoop.hbase.util.HbckRegionInfo-">handleRegionStartKeyNotEmpty</a></span>(<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a> next)</code> |
| <div class="block">This is a special case hole -- when the first region of a table is |
| missing from META, HBase doesn't acknowledge the existance of the |
| table.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#mergeOverlaps-java.util.Collection-">mergeOverlaps</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> overlap)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#removeParentsAndFixSplits-java.util.Collection-">removeParentsAndFixSplits</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> overlap)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#sidelineBigOverlaps-java.util.Collection-">sidelineBigOverlaps</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> bigOverlap)</code> |
| <div class="block">Sideline some regions in a big overlap group so that it |
| will have fewer regions, and it is easier to merge them later on.</div> |
| </td> |
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| <h4>conf</h4> |
| <pre>org.apache.hadoop.conf.Configuration <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.255">conf</a></pre> |
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| <pre><a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.259">HDFSIntegrityFixer</a>(<a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo</a> ti, |
| <a href="../../../../../org/apache/hadoop/hbase/util/HbckErrorReporter.html" title="interface in org.apache.hadoop.hbase.util">HbckErrorReporter</a> errors, |
| org.apache.hadoop.conf.Configuration conf, |
| boolean fixHoles, |
| boolean fixOverlaps)</pre> |
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| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.273">handleRegionStartKeyNotEmpty</a>(<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a> next) |
| 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 is a special case hole -- when the first region of a table is |
| missing from META, HBase doesn't acknowledge the existance of the |
| table.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html#handleRegionStartKeyNotEmpty-org.apache.hadoop.hbase.util.HbckRegionInfo-">handleRegionStartKeyNotEmpty</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html" title="interface in org.apache.hadoop.hbase.util.hbck">TableIntegrityErrorHandler</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html#handleRegionStartKeyNotEmpty-org.apache.hadoop.hbase.util.HbckRegionInfo-">handleRegionStartKeyNotEmpty</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo.IntegrityFixSuggester</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>next</code> - An HbckRegionInfo of the second region in a table. This should have |
| a non-empty startkey, and can be used to fabricate a first region that |
| has an empty start key.</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="handleRegionEndKeyNotEmpty-byte:A-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>handleRegionEndKeyNotEmpty</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.293">handleRegionEndKeyNotEmpty</a>(byte[] curEndKey) |
| 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"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandlerImpl.html#handleRegionEndKeyNotEmpty-byte:A-">TableIntegrityErrorHandlerImpl</a></code></span></div> |
| <div class="block">Callback for handling case where a Table has a last region that does not |
| have an empty end key.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html#handleRegionEndKeyNotEmpty-byte:A-">handleRegionEndKeyNotEmpty</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html" title="interface in org.apache.hadoop.hbase.util.hbck">TableIntegrityErrorHandler</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html#handleRegionEndKeyNotEmpty-byte:A-">handleRegionEndKeyNotEmpty</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo.IntegrityFixSuggester</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>curEndKey</code> - The end key of the current last region. There should be a new region |
| with start key as this and an empty end key.</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="handleHoleInRegionChain-byte:A-byte:A-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>handleHoleInRegionChain</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.315">handleHoleInRegionChain</a>(byte[] holeStartKey, |
| byte[] holeStopKey) |
| 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">There is a hole in the hdfs regions that violates the table integrity |
| rules. Create a new empty region that patches the hole.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html#handleHoleInRegionChain-byte:A-byte:A-">handleHoleInRegionChain</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html" title="interface in org.apache.hadoop.hbase.util.hbck">TableIntegrityErrorHandler</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html#handleHoleInRegionChain-byte:A-byte:A-">handleHoleInRegionChain</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/HbckTableInfo.IntegrityFixSuggester.html" title="class in org.apache.hadoop.hbase.util">HbckTableInfo.IntegrityFixSuggester</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>holeStartKey</code> - key at the beginning of the region hole</dd> |
| <dd><code>holeStopKey</code> - key at the end of the region hole</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="handleOverlapGroup-java.util.Collection-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>handleOverlapGroup</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.342">handleOverlapGroup</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> overlap) |
| 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 takes set of overlapping regions and merges them into a single |
| region. This covers cases like degenerate regions, shared start key, |
| general overlaps, duplicate ranges, and partial overlapping regions. |
| |
| Cases: |
| - Clean regions that overlap |
| - Only .oldlogs regions (can't find start/stop range, or figure out) |
| |
| This is basically threadsafe, except for the fixer increment in mergeOverlaps.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html#handleOverlapGroup-java.util.Collection-">handleOverlapGroup</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandler.html" title="interface in org.apache.hadoop.hbase.util.hbck">TableIntegrityErrorHandler</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandlerImpl.html#handleOverlapGroup-java.util.Collection-">handleOverlapGroup</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/util/hbck/TableIntegrityErrorHandlerImpl.html" title="class in org.apache.hadoop.hbase.util.hbck">TableIntegrityErrorHandlerImpl</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>overlap</code> - Collection of overlapping regions.</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="removeParentsAndFixSplits-java.util.Collection-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>removeParentsAndFixSplits</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.368">removeParentsAndFixSplits</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> overlap) |
| 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="mergeOverlaps-java.util.Collection-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>mergeOverlaps</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.483">mergeOverlaps</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> overlap) |
| 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="sidelineBigOverlaps-java.util.Collection-"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>sidelineBigOverlaps</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/util/HbckTableInfo.HDFSIntegrityFixer.html#line.560">sidelineBigOverlaps</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/hadoop/hbase/util/HbckRegionInfo.html" title="class in org.apache.hadoop.hbase.util">HbckRegionInfo</a>> bigOverlap) |
| 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">Sideline some regions in a big overlap group so that it |
| will have fewer regions, and it is easier to merge them later on.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bigOverlap</code> - the overlapped group with regions more than maxMerge</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> |
| </li> |
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