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diff --git a/content/doc/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/quorum/CommitProcessor.html b/content/doc/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/quorum/CommitProcessor.html new file mode 100644 index 000000000..85ea34fc1 --- /dev/null +++ b/content/doc/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/quorum/CommitProcessor.html @@ -0,0 +1,770 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<!-- NewPage --> +<html lang="en"> +<head> +<!-- Generated by javadoc (1.8.0_352) on Wed Jan 25 17:31:44 CET 2023 --> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>CommitProcessor (Apache ZooKeeper - Server 3.8.1 API)</title> +<meta name="date" content="2023-01-25"> +<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> +<script type="text/javascript" src="../../../../../script.js"></script> +</head> +<body> +<script type="text/javascript"><!-- + try { + if (location.href.indexOf('is-external=true') == -1) { + parent.document.title="CommitProcessor (Apache ZooKeeper - Server 3.8.1 API)"; 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The trick is that locally submitted requests that + change the state of the system will come back as incoming committed requests, + so we need to match them up. Instead of just waiting for the committed requests, + we process the uncommitted requests that belong to other sessions. + + The CommitProcessor is multi-threaded. Communication between threads is + handled via queues, atomics, and wait/notifyAll synchronized on the + processor. The CommitProcessor acts as a gateway for allowing requests to + continue with the remainder of the processing pipeline. It will allow many + read requests but only a single write request to be in flight simultaneously, + thus ensuring that write requests are processed in transaction id order. + + - 1 commit processor main thread, which watches the request queues and + assigns requests to worker threads based on their sessionId so that + read and write requests for a particular session are always assigned + to the same thread (and hence are guaranteed to run in order). + - 0-N worker threads, which run the rest of the request processor pipeline + on the requests. If configured with 0 worker threads, the primary + commit processor thread runs the pipeline directly. + + Typical (default) thread counts are: on a 32 core machine, 1 commit + processor thread and 32 worker threads. + + Multi-threading constraints: + - Each session's requests must be processed in order. + - Write requests must be processed in zxid order + - Must ensure no race condition between writes in one session that would + trigger a watch being set by a read request in another session + + The current implementation solves the third constraint by simply allowing no + read requests to be processed in parallel with write requests.</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>Nested Class Summary</h3> +<ul class="blockList"> +<li class="blockList"><a name="nested.classes.inherited.from.class.java.lang.Thread"> +<!-- --> +</a> +<h3>Nested classes/interfaces inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a></h3> +<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.State.html?is-external=true" title="class or interface in java.lang">Thread.State</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.UncaughtExceptionHandler.html?is-external=true" title="class or interface in java.lang">Thread.UncaughtExceptionHandler</a></code></li> +</ul> +<ul class="blockList"> +<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.zookeeper.server.RequestProcessor"> +<!-- --> +</a> +<h3>Nested classes/interfaces inherited from interface org.apache.zookeeper.server.<a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html" title="interface in org.apache.zookeeper.server">RequestProcessor</a></h3> +<code><a href="../../../../../org/apache/zookeeper/server/RequestProcessor.RequestProcessorException.html" title="class in org.apache.zookeeper.server">RequestProcessor.RequestProcessorException</a></code></li> +</ul> +</li> +</ul> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.summary"> +<!-- --> +</a> +<h3>Field Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> +<caption><span>Fields</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Field and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">LinkedBlockingQueue</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#committedRequests">committedRequests</a></span></code> +<div class="block">Requests that have been committed.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#numRequestsProcessing">numRequestsProcessing</a></span></code> +<div class="block">The number of requests currently being processed</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Deque.html?is-external=true" title="class or interface in java.util">Deque</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#pendingRequests">pendingRequests</a></span></code> +<div class="block">Requests that we are holding until commit comes in.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">LinkedBlockingQueue</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#queuedRequests">queuedRequests</a></span></code> +<div class="block">Incoming requests.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">LinkedBlockingQueue</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#queuedWriteRequests">queuedWriteRequests</a></span></code> +<div class="block">Incoming requests that are waiting on a commit, + contained in order of arrival</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#stopped">stopped</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#stoppedMainLoop">stoppedMainLoop</a></span></code> +<div class="block">For testing purposes, we use a separated stopping condition for the + outer loop.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/zookeeper/server/WorkerService.html" title="class in org.apache.zookeeper.server">WorkerService</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#workerPool">workerPool</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/zookeeper/server/quorum/CommitProcessor.html#ZOOKEEPER_COMMIT_PROC_MAX_COMMIT_BATCH_SIZE">ZOOKEEPER_COMMIT_PROC_MAX_COMMIT_BATCH_SIZE</a></span></code> +<div class="block">Default max commit batch size: 1</div> +</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/zookeeper/server/quorum/CommitProcessor.html#ZOOKEEPER_COMMIT_PROC_MAX_READ_BATCH_SIZE">ZOOKEEPER_COMMIT_PROC_MAX_READ_BATCH_SIZE</a></span></code> +<div class="block">Default max read batch size: -1 to disable the feature</div> +</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/zookeeper/server/quorum/CommitProcessor.html#ZOOKEEPER_COMMIT_PROC_NUM_WORKER_THREADS">ZOOKEEPER_COMMIT_PROC_NUM_WORKER_THREADS</a></span></code> +<div class="block">Default: numCores</div> +</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/zookeeper/server/quorum/CommitProcessor.html#ZOOKEEPER_COMMIT_PROC_SHUTDOWN_TIMEOUT">ZOOKEEPER_COMMIT_PROC_SHUTDOWN_TIMEOUT</a></span></code> +<div class="block">Default worker pool shutdown timeout in ms: 5000 (5s)</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="fields.inherited.from.class.java.lang.Thread"> +<!-- --> +</a> +<h3>Fields inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a></h3> +<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#MAX_PRIORITY" title="class or interface in java.lang">MAX_PRIORITY</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#MIN_PRIORITY" title="class or interface in java.lang">MIN_PRIORITY</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true#NORM_PRIORITY" title="class or interface in java.lang">NORM_PRIORITY</a></code></li> +</ul> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#CommitProcessor-org.apache.zookeeper.server.RequestProcessor-java.lang.String-boolean-org.apache.zookeeper.server.ZooKeeperServerListener-">CommitProcessor</a></span>(<a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html" title="interface in org.apache.zookeeper.server">RequestProcessor</a> nextProcessor, + <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> id, + boolean matchSyncs, + <a href="../../../../../org/apache/zookeeper/server/ZooKeeperServerListener.html" title="interface in org.apache.zookeeper.server">ZooKeeperServerListener</a> listener)</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#commit-org.apache.zookeeper.server.Request-">commit</a></span>(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</code> </td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#endOfIteration--">endOfIteration</a></span>()</code> </td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code>static int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#getMaxCommitBatchSize--">getMaxCommitBatchSize</a></span>()</code> </td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code>static int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#getMaxReadBatchSize--">getMaxReadBatchSize</a></span>()</code> </td> +</tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>protected boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#needCommit-org.apache.zookeeper.server.Request-">needCommit</a></span>(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</code> </td> +</tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#processRequest-org.apache.zookeeper.server.Request-">processRequest</a></span>(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</code> </td> +</tr> +<tr id="i6" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#run--">run</a></span>()</code> </td> +</tr> +<tr id="i7" class="rowColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#setMaxCommitBatchSize-int-">setMaxCommitBatchSize</a></span>(int size)</code> </td> +</tr> +<tr id="i8" class="altColor"> +<td class="colFirst"><code>static void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#setMaxReadBatchSize-int-">setMaxReadBatchSize</a></span>(int size)</code> </td> +</tr> +<tr id="i9" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#shutdown--">shutdown</a></span>()</code> </td> +</tr> +<tr id="i10" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#start--">start</a></span>()</code> </td> +</tr> +<tr id="i11" class="rowColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/CommitProcessor.html#waitForEmptyPool--">waitForEmptyPool</a></span>()</code> </td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.org.apache.zookeeper.server.ZooKeeperCriticalThread"> +<!-- --> +</a> +<h3>Methods inherited from class 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class="blockList"> +<h4>ZOOKEEPER_COMMIT_PROC_NUM_WORKER_THREADS</h4> +<pre>public static final <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> ZOOKEEPER_COMMIT_PROC_NUM_WORKER_THREADS</pre> +<div class="block">Default: numCores</div> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../constant-values.html#org.apache.zookeeper.server.quorum.CommitProcessor.ZOOKEEPER_COMMIT_PROC_NUM_WORKER_THREADS">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="ZOOKEEPER_COMMIT_PROC_SHUTDOWN_TIMEOUT"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>ZOOKEEPER_COMMIT_PROC_SHUTDOWN_TIMEOUT</h4> +<pre>public static final <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> ZOOKEEPER_COMMIT_PROC_SHUTDOWN_TIMEOUT</pre> +<div class="block">Default worker pool shutdown timeout in ms: 5000 (5s)</div> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../constant-values.html#org.apache.zookeeper.server.quorum.CommitProcessor.ZOOKEEPER_COMMIT_PROC_SHUTDOWN_TIMEOUT">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="ZOOKEEPER_COMMIT_PROC_MAX_READ_BATCH_SIZE"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>ZOOKEEPER_COMMIT_PROC_MAX_READ_BATCH_SIZE</h4> +<pre>public static final <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> ZOOKEEPER_COMMIT_PROC_MAX_READ_BATCH_SIZE</pre> +<div class="block">Default max read batch size: -1 to disable the feature</div> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../constant-values.html#org.apache.zookeeper.server.quorum.CommitProcessor.ZOOKEEPER_COMMIT_PROC_MAX_READ_BATCH_SIZE">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="ZOOKEEPER_COMMIT_PROC_MAX_COMMIT_BATCH_SIZE"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>ZOOKEEPER_COMMIT_PROC_MAX_COMMIT_BATCH_SIZE</h4> +<pre>public static final <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> ZOOKEEPER_COMMIT_PROC_MAX_COMMIT_BATCH_SIZE</pre> +<div class="block">Default max commit batch size: 1</div> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../../constant-values.html#org.apache.zookeeper.server.quorum.CommitProcessor.ZOOKEEPER_COMMIT_PROC_MAX_COMMIT_BATCH_SIZE">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="queuedRequests"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>queuedRequests</h4> +<pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">LinkedBlockingQueue</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>> queuedRequests</pre> +<div class="block">Incoming requests.</div> +</li> +</ul> +<a name="queuedWriteRequests"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>queuedWriteRequests</h4> +<pre>protected final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">LinkedBlockingQueue</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>> queuedWriteRequests</pre> +<div class="block">Incoming requests that are waiting on a commit, + contained in order of arrival</div> +</li> +</ul> +<a name="committedRequests"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>committedRequests</h4> +<pre>protected final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/LinkedBlockingQueue.html?is-external=true" title="class or interface in java.util.concurrent">LinkedBlockingQueue</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>> committedRequests</pre> +<div class="block">Requests that have been committed.</div> +</li> +</ul> +<a name="pendingRequests"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>pendingRequests</h4> +<pre>protected final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Deque.html?is-external=true" title="class or interface in java.util">Deque</a><<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a>>> pendingRequests</pre> +<div class="block">Requests that we are holding until commit comes in. Keys represent + session ids, each value is a linked list of the session's requests.</div> +</li> +</ul> +<a name="numRequestsProcessing"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>numRequestsProcessing</h4> +<pre>protected final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicInteger.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicInteger</a> numRequestsProcessing</pre> +<div class="block">The number of requests currently being processed</div> +</li> +</ul> +<a name="stoppedMainLoop"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>stoppedMainLoop</h4> +<pre>protected volatile boolean stoppedMainLoop</pre> +<div class="block">For testing purposes, we use a separated stopping condition for the + outer loop.</div> +</li> +</ul> +<a name="stopped"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>stopped</h4> +<pre>protected volatile boolean stopped</pre> +</li> +</ul> +<a name="workerPool"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>workerPool</h4> +<pre>protected <a href="../../../../../org/apache/zookeeper/server/WorkerService.html" title="class in org.apache.zookeeper.server">WorkerService</a> workerPool</pre> +</li> +</ul> +</li> +</ul> +<!-- ========= CONSTRUCTOR DETAIL ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.detail"> +<!-- --> +</a> +<h3>Constructor Detail</h3> +<a name="CommitProcessor-org.apache.zookeeper.server.RequestProcessor-java.lang.String-boolean-org.apache.zookeeper.server.ZooKeeperServerListener-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>CommitProcessor</h4> +<pre>public CommitProcessor(<a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html" title="interface in org.apache.zookeeper.server">RequestProcessor</a> nextProcessor, + <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> id, + boolean matchSyncs, + <a href="../../../../../org/apache/zookeeper/server/ZooKeeperServerListener.html" title="interface in org.apache.zookeeper.server">ZooKeeperServerListener</a> listener)</pre> +</li> +</ul> +</li> +</ul> +<!-- ============ METHOD DETAIL ========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.detail"> +<!-- --> +</a> +<h3>Method Detail</h3> +<a name="needCommit-org.apache.zookeeper.server.Request-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>needCommit</h4> +<pre>protected boolean needCommit(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</pre> +</li> +</ul> +<a name="run--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>run</h4> +<pre>public void run()</pre> +<dl> 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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a></code></dd> +</dl> +</li> +</ul> +<a name="getMaxReadBatchSize--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getMaxReadBatchSize</h4> +<pre>public static int getMaxReadBatchSize()</pre> +</li> +</ul> +<a name="getMaxCommitBatchSize--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getMaxCommitBatchSize</h4> +<pre>public static int getMaxCommitBatchSize()</pre> +</li> +</ul> +<a name="setMaxReadBatchSize-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>setMaxReadBatchSize</h4> +<pre>public static void setMaxReadBatchSize(int size)</pre> +</li> +</ul> +<a name="setMaxCommitBatchSize-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>setMaxCommitBatchSize</h4> +<pre>public static void setMaxCommitBatchSize(int size)</pre> +</li> +</ul> +<a name="commit-org.apache.zookeeper.server.Request-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>commit</h4> +<pre>public void commit(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</pre> +</li> +</ul> +<a name="processRequest-org.apache.zookeeper.server.Request-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>processRequest</h4> +<pre>public void processRequest(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</pre> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html#processRequest-org.apache.zookeeper.server.Request-">processRequest</a></code> in interface <code><a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html" title="interface in org.apache.zookeeper.server">RequestProcessor</a></code></dd> +</dl> +</li> +</ul> +<a name="shutdown--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>shutdown</h4> +<pre>public void shutdown()</pre> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html#shutdown--">shutdown</a></code> in interface <code><a href="../../../../../org/apache/zookeeper/server/RequestProcessor.html" title="interface in org.apache.zookeeper.server">RequestProcessor</a></code></dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul 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