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diff --git a/content/doc/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/quorum/ObserverMaster.html b/content/doc/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/quorum/ObserverMaster.html new file mode 100644 index 000000000..07f9de22d --- /dev/null +++ b/content/doc/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/quorum/ObserverMaster.html @@ -0,0 +1,871 @@ +<!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 17:31:45 CET 2023 --> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>ObserverMaster (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="ObserverMaster (Apache ZooKeeper - Server 3.8.1 API)"; 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This reduces the network load on the Leader process by pushing + the responsibility for keeping Observers in sync off the leading peer. + + It is expected that Observers will continue to perform the initial vetting of clients and requests. + Observers send the request to the follower where it is received by an ObserverMaster. + + The ObserverMaster forwards a copy of the request to the ensemble Leader and inserts it into its own + request processor pipeline where it can be matched with the response comes back. All commits received + from the Leader will be forwarded along to every Learner connected to the ObserverMaster. + + New Learners connecting to a Follower will receive a LearnerHandler object and be party to its syncing logic + to be brought up to date. + + The logic is quite a bit simpler than the corresponding logic in Leader because it only hosts observers.</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ========== 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="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/ObserverMaster.html#addLearnerHandler-org.apache.zookeeper.server.quorum.LearnerHandler-">addLearnerHandler</a></span>(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler)</code> +<div class="block">start tracking a learner handler</div> +</td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<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/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getActiveObservers--">getActiveObservers</a></span>()</code> </td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getAndDecrementFollowerCounter--">getAndDecrementFollowerCounter</a></span>()</code> +<div class="block">decrement follower count</div> +</td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getCurrentTick--">getCurrentTick</a></span>()</code> +<div class="block">the current tick</div> +</td> +</tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getEpochToPropose-long-long-">getEpochToPropose</a></span>(long sid, + long lastAcceptedEpoch)</code> +<div class="block">get the first zxid of the next epoch</div> +</td> +</tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getLastProposed--">getLastProposed</a></span>()</code> +<div class="block">last proposed zxid</div> +</td> +</tr> +<tr id="i6" class="altColor"> +<td class="colFirst"><code><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/ObserverMaster.html#getPeerInfo-long-">getPeerInfo</a></span>(long sid)</code> </td> +</tr> +<tr id="i7" class="rowColor"> +<td class="colFirst"><code><a href="../../../../../org/apache/zookeeper/server/quorum/auth/QuorumAuthServer.html" title="interface in org.apache.zookeeper.server.quorum.auth">QuorumAuthServer</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getQuorumAuthServer--">getQuorumAuthServer</a></span>()</code> </td> +</tr> +<tr id="i8" class="altColor"> +<td class="colFirst"><code>byte[]</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getQuorumVerifierBytes--">getQuorumVerifierBytes</a></span>()</code> +<div class="block">identifier of current quorum verifier for new leader</div> +</td> +</tr> +<tr id="i9" class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getQuorumVerifierVersion--">getQuorumVerifierVersion</a></span>()</code> +<div class="block">version of current quorum verifier</div> +</td> +</tr> +<tr id="i10" class="altColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getTickOfInitialAckDeadline--">getTickOfInitialAckDeadline</a></span>()</code> +<div class="block">next deadline tick marking observer sync (steady state)</div> +</td> +</tr> +<tr id="i11" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getTickOfNextAckDeadline--">getTickOfNextAckDeadline</a></span>()</code> +<div class="block">deadline tick marking observer sync (initial)</div> +</td> +</tr> +<tr id="i12" class="altColor"> +<td class="colFirst"><code><a href="../../../../../org/apache/zookeeper/server/ZKDatabase.html" title="class in org.apache.zookeeper.server">ZKDatabase</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#getZKDatabase--">getZKDatabase</a></span>()</code> +<div class="block">ZKDatabase</div> +</td> +</tr> +<tr id="i13" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#processAck-long-long-java.net.SocketAddress-">processAck</a></span>(long sid, + long zxid, + <a href="https://docs.oracle.com/javase/8/docs/api/java/net/SocketAddress.html?is-external=true" title="class or interface in java.net">SocketAddress</a> localSocketAddress)</code> +<div class="block">handle ack packet</div> +</td> +</tr> +<tr id="i14" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#registerLearnerHandlerBean-org.apache.zookeeper.server.quorum.LearnerHandler-java.net.Socket-">registerLearnerHandlerBean</a></span>(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler, + <a href="https://docs.oracle.com/javase/8/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</a> socket)</code> +<div class="block">registers the handler's bean</div> +</td> +</tr> +<tr id="i15" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#removeLearnerHandler-org.apache.zookeeper.server.quorum.LearnerHandler-">removeLearnerHandler</a></span>(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler)</code> +<div class="block">stop tracking a learner handler</div> +</td> +</tr> +<tr id="i16" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#resetObserverConnectionStats--">resetObserverConnectionStats</a></span>()</code> </td> +</tr> +<tr id="i17" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#revalidateSession-org.apache.zookeeper.server.quorum.QuorumPacket-org.apache.zookeeper.server.quorum.LearnerHandler-">revalidateSession</a></span>(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/server/quorum/QuorumPacket.html?is-external=true" title="class or interface in org.apache.zookeeper.server.quorum">QuorumPacket</a> qp, + <a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler)</code> +<div class="block">handle revalidate packet</div> +</td> +</tr> +<tr id="i18" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#run--">run</a></span>()</code> </td> +</tr> +<tr id="i19" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#start--">start</a></span>()</code> </td> +</tr> +<tr id="i20" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#startForwarding-org.apache.zookeeper.server.quorum.LearnerHandler-long-">startForwarding</a></span>(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler, + long lastSeenZxid)</code> +<div class="block">begin forwarding packets to learner handler</div> +</td> +</tr> +<tr id="i21" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#stop--">stop</a></span>()</code> </td> +</tr> +<tr id="i22" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#submitLearnerRequest-org.apache.zookeeper.server.Request-">submitLearnerRequest</a></span>(<a href="../../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> si)</code> +<div class="block">proxy request from learner to server</div> +</td> +</tr> +<tr id="i23" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#syncTimeout--">syncTimeout</a></span>()</code> +<div class="block">time allowed for sync response</div> +</td> +</tr> +<tr id="i24" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#touch-long-int-">touch</a></span>(long sess, + int to)</code> +<div class="block">mark session as alive</div> +</td> +</tr> +<tr id="i25" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#unregisterLearnerHandlerBean-org.apache.zookeeper.server.quorum.LearnerHandler-">unregisterLearnerHandlerBean</a></span>(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler)</code> +<div class="block">unregisters the handler's bean</div> +</td> +</tr> +<tr id="i26" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#waitForEpochAck-long-org.apache.zookeeper.server.quorum.StateSummary-">waitForEpochAck</a></span>(long sid, + <a href="../../../../../org/apache/zookeeper/server/quorum/StateSummary.html" title="class in org.apache.zookeeper.server.quorum">StateSummary</a> ss)</code> +<div class="block">wait for the leader of the new epoch to be confirmed by followers</div> +</td> +</tr> +<tr id="i27" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#waitForNewLeaderAck-long-long-">waitForNewLeaderAck</a></span>(long sid, + long zxid)</code> +<div class="block">wait for new leader to settle</div> +</td> +</tr> +<tr id="i28" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/zookeeper/server/quorum/ObserverMaster.html#waitForStartup--">waitForStartup</a></span>()</code> +<div class="block">wait for server to start</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.org.apache.zookeeper.server.quorum.LearnerMaster"> +<!-- --> +</a> +<h3>Methods inherited from class org.apache.zookeeper.server.quorum.<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html" title="class in org.apache.zookeeper.server.quorum">LearnerMaster</a></h3> +<code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getLearnerDiffSyncThrottler--">getLearnerDiffSyncThrottler</a>, <a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getLearnerSnapSyncThrottler--">getLearnerSnapSyncThrottler</a>, <a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getMaxConcurrentDiffSyncs--">getMaxConcurrentDiffSyncs</a>, <a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getMaxConcurrentSnapSyncs--">getMaxConcurrentSnapSyncs</a>, <a 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org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#removeLearnerHandler-org.apache.zookeeper.server.quorum.LearnerHandler-">LearnerMaster</a></code></span></div> +<div class="block">stop tracking a learner handler</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>learnerHandler</code> - to drop</dd> +</dl> +</li> +</ul> +<a name="syncTimeout--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>syncTimeout</h4> +<pre>public int syncTimeout()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#syncTimeout--">LearnerMaster</a></code></span></div> +<div class="block">time allowed for sync response</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>time allowed for sync response</dd> +</dl> +</li> +</ul> +<a name="getTickOfNextAckDeadline--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getTickOfNextAckDeadline</h4> +<pre>public int getTickOfNextAckDeadline()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getTickOfNextAckDeadline--">LearnerMaster</a></code></span></div> +<div class="block">deadline tick marking observer sync (initial)</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>deadline tick marking observer sync (initial)</dd> +</dl> +</li> +</ul> +<a name="getTickOfInitialAckDeadline--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getTickOfInitialAckDeadline</h4> +<pre>public int getTickOfInitialAckDeadline()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getTickOfInitialAckDeadline--">LearnerMaster</a></code></span></div> +<div class="block">next deadline tick marking observer sync (steady state)</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>next deadline tick marking observer sync (steady state)</dd> +</dl> +</li> +</ul> +<a name="getAndDecrementFollowerCounter--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getAndDecrementFollowerCounter</h4> +<pre>public long getAndDecrementFollowerCounter()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getAndDecrementFollowerCounter--">LearnerMaster</a></code></span></div> +<div class="block">decrement follower count</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>previous follower count</dd> +</dl> +</li> +</ul> 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class="block">wait for the leader of the new epoch to be confirmed by followers</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sid</code> - learner id</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> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> +</dl> +</li> +</ul> +<a name="waitForStartup--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>waitForStartup</h4> +<pre>public void waitForStartup() + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#waitForStartup--">LearnerMaster</a></code></span></div> +<div class="block">wait for server to start</div> +<dl> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> +</dl> +</li> +</ul> +<a name="getLastProposed--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getLastProposed</h4> +<pre>public long getLastProposed()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getLastProposed--">LearnerMaster</a></code></span></div> +<div class="block">last proposed zxid</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>last proposed zxid</dd> +</dl> +</li> +</ul> +<a name="getEpochToPropose-long-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getEpochToPropose</h4> +<pre>public long getEpochToPropose(long sid, + long lastAcceptedEpoch) + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>, + <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/zookeeper/server/quorum/LearnerMaster.html#getEpochToPropose-long-long-">LearnerMaster</a></code></span></div> +<div class="block">get the first zxid of the next epoch</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sid</code> - learner id</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the first zxid of the next epoch</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> +<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="getZKDatabase--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getZKDatabase</h4> +<pre>public <a href="../../../../../org/apache/zookeeper/server/ZKDatabase.html" title="class in org.apache.zookeeper.server">ZKDatabase</a> getZKDatabase()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getZKDatabase--">LearnerMaster</a></code></span></div> +<div class="block">ZKDatabase</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>ZKDatabase</dd> +</dl> +</li> +</ul> +<a name="waitForNewLeaderAck-long-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>waitForNewLeaderAck</h4> +<pre>public void waitForNewLeaderAck(long sid, + long zxid) + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#waitForNewLeaderAck-long-long-">LearnerMaster</a></code></span></div> +<div class="block">wait for new leader to settle</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sid</code> - id of learner</dd> +<dd><code>zxid</code> - zxid at learner</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> +</dl> +</li> +</ul> +<a name="getCurrentTick--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getCurrentTick</h4> +<pre>public int getCurrentTick()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getCurrentTick--">LearnerMaster</a></code></span></div> +<div class="block">the current tick</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the current tick</dd> +</dl> +</li> +</ul> +<a name="processAck-long-long-java.net.SocketAddress-"> +<!-- --> +</a> 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class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#touch-long-int-">LearnerMaster</a></code></span></div> +<div class="block">mark session as alive</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sess</code> - session id</dd> +<dd><code>to</code> - timeout</dd> +</dl> +</li> +</ul> +<a name="revalidateSession-org.apache.zookeeper.server.quorum.QuorumPacket-org.apache.zookeeper.server.quorum.LearnerHandler-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>revalidateSession</h4> +<pre>public void revalidateSession(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/server/quorum/QuorumPacket.html?is-external=true" title="class or interface in org.apache.zookeeper.server.quorum">QuorumPacket</a> qp, + <a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler) + 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/zookeeper/server/quorum/LearnerMaster.html#revalidateSession-org.apache.zookeeper.server.quorum.QuorumPacket-org.apache.zookeeper.server.quorum.LearnerHandler-">LearnerMaster</a></code></span></div> +<div class="block">handle revalidate packet</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>qp</code> - session packet</dd> +<dd><code>learnerHandler</code> - learner</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> 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class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getQuorumVerifierVersion--">LearnerMaster</a></code></span></div> +<div class="block">version of current quorum verifier</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>version of current quorum verifier</dd> +</dl> +</li> +</ul> +<a name="getPeerInfo-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getPeerInfo</h4> +<pre>public <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> getPeerInfo(long sid)</pre> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sid</code> - server id</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>server information in the view</dd> +</dl> +</li> +</ul> +<a name="getQuorumVerifierBytes--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getQuorumVerifierBytes</h4> +<pre>public byte[] getQuorumVerifierBytes()</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#getQuorumVerifierBytes--">LearnerMaster</a></code></span></div> +<div class="block">identifier of current quorum verifier for new leader</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>identifier of current quorum verifier for new leader</dd> +</dl> +</li> +</ul> +<a name="getQuorumAuthServer--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getQuorumAuthServer</h4> +<pre>public <a href="../../../../../org/apache/zookeeper/server/quorum/auth/QuorumAuthServer.html" title="interface in org.apache.zookeeper.server.quorum.auth">QuorumAuthServer</a> getQuorumAuthServer()</pre> +</li> +</ul> +<a name="start--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>start</h4> +<pre>public void start() + 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="run--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>run</h4> +<pre>public void run()</pre> +<dl> +<dt><span class="overrideSpecifyLabel">Specified by:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true#run--" title="class or interface in java.lang">run</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></dd> +</dl> +</li> +</ul> +<a name="stop--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>stop</h4> +<pre>public void stop()</pre> +</li> +</ul> +<a name="getActiveObservers--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getActiveObservers</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<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/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>>> getActiveObservers()</pre> +</li> +</ul> +<a name="resetObserverConnectionStats--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>resetObserverConnectionStats</h4> +<pre>public void resetObserverConnectionStats()</pre> +</li> +</ul> +<a name="registerLearnerHandlerBean-org.apache.zookeeper.server.quorum.LearnerHandler-java.net.Socket-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>registerLearnerHandlerBean</h4> +<pre>public void registerLearnerHandlerBean(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler, + <a href="https://docs.oracle.com/javase/8/docs/api/java/net/Socket.html?is-external=true" title="class or interface in java.net">Socket</a> socket)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#registerLearnerHandlerBean-org.apache.zookeeper.server.quorum.LearnerHandler-java.net.Socket-">LearnerMaster</a></code></span></div> +<div class="block">registers the handler's bean</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>learnerHandler</code> - handler</dd> +<dd><code>socket</code> - connection to learner</dd> +</dl> +</li> +</ul> +<a name="unregisterLearnerHandlerBean-org.apache.zookeeper.server.quorum.LearnerHandler-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>unregisterLearnerHandlerBean</h4> +<pre>public void unregisterLearnerHandlerBean(<a href="../../../../../org/apache/zookeeper/server/quorum/LearnerHandler.html" title="class in org.apache.zookeeper.server.quorum">LearnerHandler</a> learnerHandler)</pre> +<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/zookeeper/server/quorum/LearnerMaster.html#unregisterLearnerHandlerBean-org.apache.zookeeper.server.quorum.LearnerHandler-">LearnerMaster</a></code></span></div> +<div class="block">unregisters the handler's bean</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>learnerHandler</code> - handler</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 class="navList" title="Navigation"> +<li><a href="../../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/ObserverMaster.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">Help</a></li> 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