| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>ServerNonceManager (Apache HBase 4.0.0-alpha-1-SNAPSHOT API)</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <meta name="description" content="declaration: package: org.apache.hadoop.hbase.regionserver, class: ServerNonceManager"> |
| <meta name="generator" content="javadoc/ClassWriterImpl"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../script-dir/jquery-ui.min.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../jquery-ui.overrides.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-3.6.1.min.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-ui.min.js"></script> |
| </head> |
| <body class="class-declaration-page"> |
| <script type="text/javascript">var evenRowColor = "even-row-color"; |
| var oddRowColor = "odd-row-color"; |
| var tableTab = "table-tab"; |
| var activeTableTab = "active-table-tab"; |
| var pathtoroot = "../../../../../"; |
| loadScripts(document, 'script');</script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <div class="flex-box"> |
| <header role="banner" class="flex-header"> |
| <nav role="navigation"> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="top-nav" id="navbar-top"> |
| <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div> |
| <ul id="navbar-top-firstrow" class="nav-list" title="Navigation"> |
| <li><a href="../../../../../index.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="nav-bar-cell1-rev">Class</li> |
| <li><a href="class-use/ServerNonceManager.html">Use</a></li> |
| <li><a href="package-tree.html">Tree</a></li> |
| <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> |
| <li><a href="../../../../../index-all.html">Index</a></li> |
| <li><a href="../../../../../help-doc.html#class">Help</a></li> |
| </ul> |
| </div> |
| <div class="sub-nav"> |
| <div> |
| <ul class="sub-nav-list"> |
| <li>Summary: </li> |
| <li><a href="#nested-class-summary">Nested</a> | </li> |
| <li><a href="#field-summary">Field</a> | </li> |
| <li><a href="#constructor-summary">Constr</a> | </li> |
| <li><a href="#method-summary">Method</a></li> |
| </ul> |
| <ul class="sub-nav-list"> |
| <li>Detail: </li> |
| <li><a href="#field-detail">Field</a> | </li> |
| <li><a href="#constructor-detail">Constr</a> | </li> |
| <li><a href="#method-detail">Method</a></li> |
| </ul> |
| </div> |
| <div class="nav-list-search"><label for="search-input">SEARCH:</label> |
| <input type="text" id="search-input" value="search" disabled="disabled"> |
| <input type="reset" id="reset-button" value="reset" disabled="disabled"> |
| </div> |
| </div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <span class="skip-nav" id="skip-navbar-top"></span></nav> |
| </header> |
| <div class="flex-content"> |
| <main role="main"> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.regionserver</a></div> |
| <h1 title="Class ServerNonceManager" class="title">Class ServerNonceManager</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.regionserver.ServerNonceManager</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="annotations">@Private |
| </span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-39">ServerNonceManager</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">Implementation of nonce manager that stores nonces in a hash map and cleans them up after some |
| time; if nonce group/client ID is supplied, nonces are stored by client ID.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li> |
| <section class="nested-class-summary" id="nested-class-summary"> |
| <h2>Nested Class Summary</h2> |
| <div class="caption"><span>Nested Classes</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">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>private static class </code></div> |
| <div class="col-second even-row-color"><code><a href="ServerNonceManager.OperationContext.html" class="type-name-link" title="class in org.apache.hadoop.hbase.regionserver">ServerNonceManager.OperationContext</a></code></div> |
| <div class="col-last even-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>private int</code></div> |
| <div class="col-second even-row-color"><code><a href="#conflictWaitIterationMs" class="member-name-link">conflictWaitIterationMs</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">The time to wait in an extremely unlikely case of a conflict with a running op.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>private int</code></div> |
| <div class="col-second odd-row-color"><code><a href="#deleteNonceGracePeriod" class="member-name-link">deleteNonceGracePeriod</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#HASH_NONCE_GRACE_PERIOD_KEY" class="member-name-link">HASH_NONCE_GRACE_PERIOD_KEY</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 <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/ConcurrentHashMap.html" title="class or interface in java.util.concurrent" class="external-link">ConcurrentHashMap</a><<a href="../util/NonceKey.html" title="class in org.apache.hadoop.hbase.util">NonceKey</a>,<wbr><a href="ServerNonceManager.OperationContext.html" title="class in org.apache.hadoop.hbase.regionserver">ServerNonceManager.OperationContext</a>></code></div> |
| <div class="col-second even-row-color"><code><a href="#nonces" class="member-name-link">nonces</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Nonces.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>private static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/format/DateTimeFormatter.html" title="class or interface in java.time.format" class="external-link">DateTimeFormatter</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#TS_FORMAT" class="member-name-link">TS_FORMAT</a></code></div> |
| <div class="col-last odd-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(org.apache.hadoop.conf.Configuration)" class="member-name-link">ServerNonceManager</a><wbr>(org.apache.hadoop.conf.Configuration conf)</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="#addMvccToOperationContext(long,long,long)" class="member-name-link">addMvccToOperationContext</a><wbr>(long group, |
| long nonce, |
| long mvcc)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Store the write point in OperationContext when the operation succeed.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#cleanUpOldNonces()" class="member-name-link">cleanUpOldNonces</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../ScheduledChore.html" title="class in org.apache.hadoop.hbase">ScheduledChore</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createCleanupScheduledChore(org.apache.hadoop.hbase.Stoppable)" class="member-name-link">createCleanupScheduledChore</a><wbr>(<a href="../Stoppable.html" title="interface in org.apache.hadoop.hbase">Stoppable</a> stoppable)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Creates a scheduled chore that is used to clean up old nonces.</div> |
| </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="#endOperation(long,long,boolean)" class="member-name-link">endOperation</a><wbr>(long group, |
| long nonce, |
| boolean success)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Ends the operation started by startOperation.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMvccFromOperationContext(long,long)" class="member-name-link">getMvccFromOperationContext</a><wbr>(long group, |
| long nonce)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Return the write point of the previous succeed operation.</div> |
| </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="#reportOperationFromWal(long,long,long)" class="member-name-link">reportOperationFromWal</a><wbr>(long group, |
| long nonce, |
| long writeTime)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Reports the operation from WAL during replay.</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="#setConflictWaitIterationMs(int)" class="member-name-link">setConflictWaitIterationMs</a><wbr>(int conflictWaitIterationMs)</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>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#startOperation(long,long,org.apache.hadoop.hbase.Stoppable)" class="member-name-link">startOperation</a><wbr>(long group, |
| long nonce, |
| <a href="../Stoppable.html" title="interface in org.apache.hadoop.hbase">Stoppable</a> stoppable)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Starts the operation if operation with such nonce has not already succeeded.</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="HASH_NONCE_GRACE_PERIOD_KEY"> |
| <h3>HASH_NONCE_GRACE_PERIOD_KEY</h3> |
| <div class="member-signature"><span class="modifiers">public static final</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-41">HASH_NONCE_GRACE_PERIOD_KEY</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.regionserver.ServerNonceManager.HASH_NONCE_GRACE_PERIOD_KEY">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </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/regionserver/ServerNonceManager.html#line-42">LOG</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="conflictWaitIterationMs"> |
| <h3>conflictWaitIterationMs</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-48">conflictWaitIterationMs</a></span></div> |
| <div class="block">The time to wait in an extremely unlikely case of a conflict with a running op. Only here so |
| that tests could override it and not wait.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="TS_FORMAT"> |
| <h3>TS_FORMAT</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/format/DateTimeFormatter.html" title="class or interface in java.time.format" class="external-link">DateTimeFormatter</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-50">TS_FORMAT</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="nonces"> |
| <h3>nonces</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/ConcurrentHashMap.html" title="class or interface in java.util.concurrent" class="external-link">ConcurrentHashMap</a><<a href="../util/NonceKey.html" title="class in org.apache.hadoop.hbase.util">NonceKey</a>,<wbr><a href="ServerNonceManager.OperationContext.html" title="class in org.apache.hadoop.hbase.regionserver">ServerNonceManager.OperationContext</a>></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-122">nonces</a></span></div> |
| <div class="block">Nonces. Approximate overhead per nonce: 64 bytes from hashmap, 32 from two objects (k/v), NK: |
| 16 bytes (2 longs), OC: 8 bytes (1 long) - so, 120 bytes. With 30min expiration time, 5k |
| increments/appends per sec., we'd use approximately 1Gb, which is a realistic worst case. If |
| it's much worse, we could use some sort of memory limit and cleanup.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="deleteNonceGracePeriod"> |
| <h3>deleteNonceGracePeriod</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-124">deleteNonceGracePeriod</a></span></div> |
| </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>(org.apache.hadoop.conf.Configuration)"> |
| <h3>ServerNonceManager</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-126">ServerNonceManager</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf)</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="setConflictWaitIterationMs(int)"> |
| <h3>setConflictWaitIterationMs</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/regionserver/ServerNonceManager.html#line-135">setConflictWaitIterationMs</a></span><wbr><span class="parameters">(int conflictWaitIterationMs)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="startOperation(long,long,org.apache.hadoop.hbase.Stoppable)"> |
| <h3>startOperation</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-147">startOperation</a></span><wbr><span class="parameters">(long group, |
| long nonce, |
| <a href="../Stoppable.html" title="interface in org.apache.hadoop.hbase">Stoppable</a> stoppable)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></span></div> |
| <div class="block">Starts the operation if operation with such nonce has not already succeeded. If the operation |
| is in progress, waits for it to end and checks whether it has succeeded.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>group</code> - Nonce group.</dd> |
| <dd><code>nonce</code> - Nonce.</dd> |
| <dd><code>stoppable</code> - Stoppable that terminates waiting (if any) when the server is stopped.</dd> |
| <dt>Returns:</dt> |
| <dd>true if the operation has not already succeeded and can proceed; false otherwise.</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="endOperation(long,long,boolean)"> |
| <h3>endOperation</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/regionserver/ServerNonceManager.html#line-178">endOperation</a></span><wbr><span class="parameters">(long group, |
| long nonce, |
| boolean success)</span></div> |
| <div class="block">Ends the operation started by startOperation.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>group</code> - Nonce group.</dd> |
| <dd><code>nonce</code> - Nonce.</dd> |
| <dd><code>success</code> - Whether the operation has succeeded.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="addMvccToOperationContext(long,long,long)"> |
| <h3>addMvccToOperationContext</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/regionserver/ServerNonceManager.html#line-206">addMvccToOperationContext</a></span><wbr><span class="parameters">(long group, |
| long nonce, |
| long mvcc)</span></div> |
| <div class="block">Store the write point in OperationContext when the operation succeed.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>group</code> - Nonce group.</dd> |
| <dd><code>nonce</code> - Nonce.</dd> |
| <dd><code>mvcc</code> - Write point of the succeed operation.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMvccFromOperationContext(long,long)"> |
| <h3>getMvccFromOperationContext</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">long</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-224">getMvccFromOperationContext</a></span><wbr><span class="parameters">(long group, |
| long nonce)</span></div> |
| <div class="block">Return the write point of the previous succeed operation.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>group</code> - Nonce group.</dd> |
| <dd><code>nonce</code> - Nonce.</dd> |
| <dt>Returns:</dt> |
| <dd>write point of the previous succeed operation.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="reportOperationFromWal(long,long,long)"> |
| <h3>reportOperationFromWal</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/regionserver/ServerNonceManager.html#line-239">reportOperationFromWal</a></span><wbr><span class="parameters">(long group, |
| long nonce, |
| long writeTime)</span></div> |
| <div class="block">Reports the operation from WAL during replay.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>group</code> - Nonce group.</dd> |
| <dd><code>nonce</code> - Nonce.</dd> |
| <dd><code>writeTime</code> - Entry write time, used to ignore entries that are too old.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="createCleanupScheduledChore(org.apache.hadoop.hbase.Stoppable)"> |
| <h3>createCleanupScheduledChore</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../ScheduledChore.html" title="class in org.apache.hadoop.hbase">ScheduledChore</a></span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-261">createCleanupScheduledChore</a></span><wbr><span class="parameters">(<a href="../Stoppable.html" title="interface in org.apache.hadoop.hbase">Stoppable</a> stoppable)</span></div> |
| <div class="block">Creates a scheduled chore that is used to clean up old nonces.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>stoppable</code> - Stoppable for the chore.</dd> |
| <dt>Returns:</dt> |
| <dd>ScheduledChore; the scheduled chore is not started.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="cleanUpOldNonces()"> |
| <h3>cleanUpOldNonces</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/ServerNonceManager.html#line-271">cleanUpOldNonces</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <footer role="contentinfo"> |
| <hr> |
| <p class="legal-copy"><small>Copyright © 2007–2020 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </footer> |
| </div> |
| </div> |
| </body> |
| </html> |
