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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase</a></div> |
| <h1 title="Class TestIOFencing" class="title">Class TestIOFencing</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.hadoop.hbase.TestIOFencing</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-83">TestIOFencing</a></span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <div class="block">Test for the case where a regionserver going down has enough cycles to do damage to regions that |
| have actually been assigned elsehwere. |
| <p> |
| If we happen to assign a region before it fully done with in its old location -- i.e. it is on |
| two servers at the same time -- all can work fine until the case where the region on the dying |
| server decides to compact or otherwise change the region file set. The region in its new location |
| will then get a surprise when it tries to do something w/ a file removed by the region in its old |
| location on dying server. |
| <p> |
| Making a test for this case is a little tough in that even if a file is deleted up on the |
| namenode, if the file was opened before the delete, it will continue to let reads happen until |
| something changes the state of cached blocks in the dfsclient that was already open (a block from |
| the deleted file is cleaned from the datanode by NN). |
| <p> |
| What we will do below is do an explicit check for existence on the files listed in the region |
| that has had some files removed because of a compaction. This sort of hurry's along and makes |
| certain what is a chance occurance.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static class </code></div> |
| <div class="col-second even-row-color"><code><a href="TestIOFencing.BlockCompactionsInCompletionHStore.html" class="type-name-link" title="class in org.apache.hadoop.hbase">TestIOFencing.BlockCompactionsInCompletionHStore</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>static class </code></div> |
| <div class="col-second odd-row-color"><code><a href="TestIOFencing.BlockCompactionsInCompletionRegion.html" class="type-name-link" title="class in org.apache.hadoop.hbase">TestIOFencing.BlockCompactionsInCompletionRegion</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">An override of HRegion that allows us park compactions in a holding pattern and then when |
| appropriate for the test, allow them proceed again.</div> |
| </div> |
| <div class="col-first even-row-color"><code>static class </code></div> |
| <div class="col-second even-row-color"><code><a href="TestIOFencing.BlockCompactionsInPrepRegion.html" class="type-name-link" title="class in org.apache.hadoop.hbase">TestIOFencing.BlockCompactionsInPrepRegion</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">An override of HRegion that allows us park compactions in a holding pattern and then when |
| appropriate for the test, allow them proceed again.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>static class </code></div> |
| <div class="col-second odd-row-color"><code><a href="TestIOFencing.CompactionBlockerRegion.html" class="type-name-link" title="class in org.apache.hadoop.hbase">TestIOFencing.CompactionBlockerRegion</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static final <a href="HBaseClassTestRule.html" title="class in org.apache.hadoop.hbase">HBaseClassTestRule</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#CLASS_RULE" class="member-name-link">CLASS_RULE</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private static final byte[]</code></div> |
| <div class="col-second odd-row-color"><code><a href="#FAMILY" class="member-name-link">FAMILY</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private static final int</code></div> |
| <div class="col-second even-row-color"><code><a href="#FIRST_BATCH_COUNT" class="member-name-link">FIRST_BATCH_COUNT</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private static final org.slf4j.Logger</code></div> |
| <div class="col-second odd-row-color"><code><a href="#LOG" class="member-name-link">LOG</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private static final int</code></div> |
| <div class="col-second even-row-color"><code><a href="#SECOND_BATCH_COUNT" class="member-name-link">SECOND_BATCH_COUNT</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private static final org.apache.hadoop.hbase.TableName</code></div> |
| <div class="col-second odd-row-color"><code><a href="#TABLE_NAME" class="member-name-link">TABLE_NAME</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private static final <a href="HBaseTestingUtil.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtil</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#TEST_UTIL" class="member-name-link">TEST_UTIL</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">TestIOFencing</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#doTest(java.lang.Class,org.apache.hadoop.hbase.MemoryCompactionPolicy)" class="member-name-link">doTest</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><?> regionClass, |
| org.apache.hadoop.hbase.MemoryCompactionPolicy policy)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#testFencingAroundCompaction()" class="member-name-link">testFencingAroundCompaction</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Test that puts up a regionserver, starts a compaction on a loaded region but holds the |
| compaction until after we have killed the server and the region has come up on a new |
| regionserver altogether.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#testFencingAroundCompactionAfterWALSync()" class="member-name-link">testFencingAroundCompactionAfterWALSync</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Test that puts up a regionserver, starts a compaction on a loaded region but holds the |
| compaction completion until after we have killed the server and the region has come up on a new |
| regionserver altogether.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="CLASS_RULE"> |
| <h3>CLASS_RULE</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="HBaseClassTestRule.html" title="class in org.apache.hadoop.hbase">HBaseClassTestRule</a></span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-86">CLASS_RULE</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="LOG"> |
| <h3>LOG</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">org.slf4j.Logger</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-90">LOG</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="TEST_UTIL"> |
| <h3>TEST_UTIL</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type"><a href="HBaseTestingUtil.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtil</a></span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-228">TEST_UTIL</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="TABLE_NAME"> |
| <h3>TABLE_NAME</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">org.apache.hadoop.hbase.TableName</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-229">TABLE_NAME</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="FAMILY"> |
| <h3>FAMILY</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">byte[]</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-230">FAMILY</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="FIRST_BATCH_COUNT"> |
| <h3>FIRST_BATCH_COUNT</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-231">FIRST_BATCH_COUNT</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../constant-values.html#org.apache.hadoop.hbase.TestIOFencing.FIRST_BATCH_COUNT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="SECOND_BATCH_COUNT"> |
| <h3>SECOND_BATCH_COUNT</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-232">SECOND_BATCH_COUNT</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../constant-values.html#org.apache.hadoop.hbase.TestIOFencing.SECOND_BATCH_COUNT">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>TestIOFencing</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-84">TestIOFencing</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="testFencingAroundCompaction()"> |
| <h3>testFencingAroundCompaction</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-240">testFencingAroundCompaction</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div> |
| <div class="block">Test that puts up a regionserver, starts a compaction on a loaded region but holds the |
| compaction until after we have killed the server and the region has come up on a new |
| regionserver altogether. This fakes the double assignment case where region in one location |
| changes the files out from underneath a region being served elsewhere.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="testFencingAroundCompactionAfterWALSync()"> |
| <h3>testFencingAroundCompactionAfterWALSync</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-253">testFencingAroundCompactionAfterWALSync</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div> |
| <div class="block">Test that puts up a regionserver, starts a compaction on a loaded region but holds the |
| compaction completion until after we have killed the server and the region has come up on a new |
| regionserver altogether. This fakes the double assignment case where region in one location |
| changes the files out from underneath a region being served elsewhere.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="doTest(java.lang.Class,org.apache.hadoop.hbase.MemoryCompactionPolicy)"> |
| <h3>doTest</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/TestIOFencing.html#line-260">doTest</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><?> regionClass, |
| org.apache.hadoop.hbase.MemoryCompactionPolicy policy)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
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