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Posted to commits@hbase.apache.org by st...@apache.org on 2013/04/06 08:06:09 UTC
svn commit: r1465198 [34/41] - in /hbase/hbase.apache.org/trunk: ./ css/
hbase-assembly/ images/ xref-test/ xref-test/org/apache/hadoop/hbase/
xref-test/org/apache/hadoop/hbase/client/
xref-test/org/apache/hadoop/hbase/client/replication/ xref-test/org...
Modified: hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html?rev=1465198&r1=1465197&r2=1465198&view=diff
==============================================================================
--- hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html (original)
+++ hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html Sat Apr 6 06:06:07 2013
@@ -51,8 +51,8 @@
<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.FileSystem;
<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.Path;
-<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HConstants;
-<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.Stoppable;
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.Stoppable;
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.replication.ReplicationQueues;
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.replication.ReplicationZookeeper;
<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperListener;
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
@@ -83,601 +83,591 @@
<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicBoolean replicating;
<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_comment">// Helper for zookeeper</em>
<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/ReplicationZookeeper.html">ReplicationZookeeper</a> zkHelper;
-<a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_comment">// All about stopping</em>
-<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/Stoppable.html">Stoppable</a> stopper;
-<a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_comment">// All logs we are currently tracking</em>
-<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<String, SortedSet<String>> hlogsById;
-<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Configuration conf;
-<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> FileSystem fs;
-<a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_comment">// The path to the latest log we saw, for new coming sources</em>
-<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">private</strong> Path latestPath;
-<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_comment">// List of all the other region servers in this cluster</em>
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<String> otherRegionServers = <strong class="jxr_keyword">new</strong> ArrayList<String>();
-<a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_comment">// Path to the hlogs directories</em>
-<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Path logDir;
-<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_comment">// Path to the hlog archive</em>
-<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Path oldLogDir;
-<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_comment">// The number of ms that we wait before moving znodes, HBASE-3596</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> sleepBeforeFailover;
-<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_comment">// Homemade executer service for replication</em>
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ThreadPoolExecutor executor;
-<a class="jxr_linenumber" name="94" href="#94">94</a>
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Random rand;
-<a class="jxr_linenumber" name="96" href="#96">96</a>
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/ReplicationQueues.html">ReplicationQueues</a> replicationQueues;
+<a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_comment">// All about stopping</em>
+<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/Stoppable.html">Stoppable</a> stopper;
+<a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_comment">// All logs we are currently tracking</em>
+<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<String, SortedSet<String>> hlogsById;
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Configuration conf;
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> FileSystem fs;
+<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_comment">// The path to the latest log we saw, for new coming sources</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> Path latestPath;
+<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_comment">// List of all the other region servers in this cluster</em>
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<String> otherRegionServers = <strong class="jxr_keyword">new</strong> ArrayList<String>();
+<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_comment">// Path to the hlogs directories</em>
+<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Path logDir;
+<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_comment">// Path to the hlog archive</em>
+<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Path oldLogDir;
+<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_comment">// The number of ms that we wait before moving znodes, HBASE-3596</em>
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> sleepBeforeFailover;
+<a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_comment">// Homemade executer service for replication</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ThreadPoolExecutor executor;
+<a class="jxr_linenumber" name="95" href="#95">95</a>
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Random rand;
<a class="jxr_linenumber" name="97" href="#97">97</a>
-<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * Creates a replication manager and sets the watch on all the other</em>
-<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * registered region servers</em>
+<a class="jxr_linenumber" name="98" href="#98">98</a>
+<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * Creates a replication manager and sets the watch on all the other registered region servers</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * @param zkHelper the zk helper for replication</em>
-<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * @param conf the configuration to use</em>
-<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * @param stopper the stopper object for this region server</em>
-<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * @param fs the file system to use</em>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * @param replicating the status of the replication on this cluster</em>
-<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * @param logDir the directory that contains all hlog directories of live RSs</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * @param oldLogDir the directory where old logs are archived</em>
-<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">ReplicationSourceManager</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/ReplicationZookeeper.html">ReplicationZookeeper</a> zkHelper,
-<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">final</strong> Configuration conf,
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/Stoppable.html">Stoppable</a> stopper,
-<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">final</strong> FileSystem fs,
-<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">final</strong> AtomicBoolean replicating,
-<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">final</strong> Path logDir,
-<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">final</strong> Path oldLogDir) {
-<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">this</strong>.sources = <strong class="jxr_keyword">new</strong> ArrayList<ReplicationSourceInterface>();
-<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">this</strong>.replicating = replicating;
-<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">this</strong>.zkHelper = zkHelper;
-<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">this</strong>.stopper = stopper;
-<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">this</strong>.hlogsById = <strong class="jxr_keyword">new</strong> HashMap<String, SortedSet<String>>();
-<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">this</strong>.oldsources = <strong class="jxr_keyword">new</strong> ArrayList<ReplicationSourceInterface>();
-<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">this</strong>.conf = conf;
-<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">this</strong>.fs = fs;
-<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">this</strong>.logDir = logDir;
-<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">this</strong>.oldLogDir = oldLogDir;
-<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">this</strong>.sleepBeforeFailover = conf.getLong(<span class="jxr_string">"replication.sleep.before.failover"</span>, 2000);
-<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">this</strong>.zkHelper.registerRegionServerListener(
-<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">OtherRegionServerWatcher</a>(<strong class="jxr_keyword">this</strong>.zkHelper.getZookeeperWatcher()));
-<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">this</strong>.zkHelper.registerRegionServerListener(
-<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">PeersWatcher</a>(<strong class="jxr_keyword">this</strong>.zkHelper.getZookeeperWatcher()));
-<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">this</strong>.zkHelper.listPeersIdsAndWatch();
-<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_comment">// It's preferable to failover 1 RS at a time, but with good zk servers</em>
-<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_comment">// more could be processed at the same time.</em>
-<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">int</strong> nbWorkers = conf.getInt(<span class="jxr_string">"replication.executor.workers"</span>, 1);
-<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_comment">// use a short 100ms sleep since this could be done inline with a RS startup</em>
-<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_comment">// even if we fail, other region servers can take care of it</em>
-<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">this</strong>.executor = <strong class="jxr_keyword">new</strong> ThreadPoolExecutor(nbWorkers, nbWorkers,
-<a class="jxr_linenumber" name="138" href="#138">138</a> 100, TimeUnit.MILLISECONDS,
-<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">new</strong> LinkedBlockingQueue<Runnable>());
-<a class="jxr_linenumber" name="140" href="#140">140</a> ThreadFactoryBuilder tfb = <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder();
-<a class="jxr_linenumber" name="141" href="#141">141</a> tfb.setNameFormat(<span class="jxr_string">"ReplicationExecutor-%d"</span>);
-<a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">this</strong>.executor.setThreadFactory(tfb.build());
-<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">this</strong>.rand = <strong class="jxr_keyword">new</strong> Random();
-<a class="jxr_linenumber" name="144" href="#144">144</a> }
-<a class="jxr_linenumber" name="145" href="#145">145</a>
-<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * Provide the id of the peer and a log key and this method will figure which</em>
-<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment"> * hlog it belongs to and will log, for this region server, the current</em>
-<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * position. It will also clean old logs from the queue.</em>
-<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * @param log Path to the log currently being replicated from</em>
-<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * replication status in zookeeper. It will also delete older entries.</em>
-<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * @param id id of the peer cluster</em>
-<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @param position current location in the log</em>
-<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * @param queueRecovered indicates if this queue comes from another region server</em>
-<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @param holdLogInZK if true then the log is retained in ZK</em>
-<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> logPositionAndCleanOldLogs(Path log, String id, <strong class="jxr_keyword">long</strong> position,
-<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">boolean</strong> queueRecovered, <strong class="jxr_keyword">boolean</strong> holdLogInZK) {
-<a class="jxr_linenumber" name="159" href="#159">159</a> String key = log.getName();
-<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">this</strong>.zkHelper.writeReplicationStatus(key, id, position);
-<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">if</strong> (holdLogInZK) {
-<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="163" href="#163">163</a> }
-<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>.hlogsById) {
-<a class="jxr_linenumber" name="165" href="#165">165</a> SortedSet<String> hlogs = <strong class="jxr_keyword">this</strong>.hlogsById.get(id);
-<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">if</strong> (!queueRecovered && !hlogs.first().equals(key)) {
-<a class="jxr_linenumber" name="167" href="#167">167</a> SortedSet<String> hlogSet = hlogs.headSet(key);
-<a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">for</strong> (String hlog : hlogSet) {
-<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">this</strong>.zkHelper.removeLogFromList(hlog, id);
-<a class="jxr_linenumber" name="170" href="#170">170</a> }
-<a class="jxr_linenumber" name="171" href="#171">171</a> hlogSet.clear();
-<a class="jxr_linenumber" name="172" href="#172">172</a> }
-<a class="jxr_linenumber" name="173" href="#173">173</a> }
-<a class="jxr_linenumber" name="174" href="#174">174</a> }
-<a class="jxr_linenumber" name="175" href="#175">175</a>
-<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * Adds a normal source per registered peer cluster and tries to process all</em>
-<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> * old region server hlog queues</em>
-<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">for</strong> (String id : <strong class="jxr_keyword">this</strong>.zkHelper.getPeerClusters().keySet()) {
-<a class="jxr_linenumber" name="182" href="#182">182</a> addSource(id);
-<a class="jxr_linenumber" name="183" href="#183">183</a> }
-<a class="jxr_linenumber" name="184" href="#184">184</a> List<String> currentReplicators = <strong class="jxr_keyword">this</strong>.zkHelper.getListOfReplicators();
-<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">if</strong> (currentReplicators == <strong class="jxr_keyword">null</strong> || currentReplicators.size() == 0) {
-<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="187" href="#187">187</a> }
-<a class="jxr_linenumber" name="188" href="#188">188</a> <strong class="jxr_keyword">synchronized</strong> (otherRegionServers) {
-<a class="jxr_linenumber" name="189" href="#189">189</a> refreshOtherRegionServersList();
-<a class="jxr_linenumber" name="190" href="#190">190</a> LOG.info(<span class="jxr_string">"Current list of replicators: "</span> + currentReplicators
-<a class="jxr_linenumber" name="191" href="#191">191</a> + <span class="jxr_string">" other RSs: "</span> + otherRegionServers);
-<a class="jxr_linenumber" name="192" href="#192">192</a> }
-<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_comment">// Look if there's anything to process after a restart</em>
-<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">for</strong> (String rs : currentReplicators) {
-<a class="jxr_linenumber" name="195" href="#195">195</a> <strong class="jxr_keyword">synchronized</strong> (otherRegionServers) {
-<a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.otherRegionServers.contains(rs)) {
-<a class="jxr_linenumber" name="197" href="#197">197</a> transferQueues(rs);
-<a class="jxr_linenumber" name="198" href="#198">198</a> }
-<a class="jxr_linenumber" name="199" href="#199">199</a> }
-<a class="jxr_linenumber" name="200" href="#200">200</a> }
-<a class="jxr_linenumber" name="201" href="#201">201</a> }
-<a class="jxr_linenumber" name="202" href="#202">202</a>
-<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * Add a new normal source to this region server</em>
-<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment"> * @param id the id of the peer cluster</em>
-<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * @return the source that was created</em>
-<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> addSource(String id) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="210" href="#210">210</a> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> src =
-<a class="jxr_linenumber" name="211" href="#211">211</a> getReplicationSource(<strong class="jxr_keyword">this</strong>.conf, <strong class="jxr_keyword">this</strong>.fs, <strong class="jxr_keyword">this</strong>, stopper, replicating, id);
-<a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>.hlogsById) {
-<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">this</strong>.sources.add(src);
-<a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">this</strong>.hlogsById.put(id, <strong class="jxr_keyword">new</strong> TreeSet<String>());
-<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_comment">// Add the latest hlog to that source's queue</em>
-<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.latestPath != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="217" href="#217">217</a> String name = <strong class="jxr_keyword">this</strong>.latestPath.getName();
-<a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">this</strong>.hlogsById.get(id).add(name);
-<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">this</strong>.zkHelper.addLogToList(name, src.getPeerClusterZnode());
-<a class="jxr_linenumber" name="221" href="#221">221</a> } <strong class="jxr_keyword">catch</strong> (KeeperException ke) {
-<a class="jxr_linenumber" name="222" href="#222">222</a> String message = <span class="jxr_string">"Cannot add log to zk for"</span> +
-<a class="jxr_linenumber" name="223" href="#223">223</a> <span class="jxr_string">" replication when creating a new source"</span>;
-<a class="jxr_linenumber" name="224" href="#224">224</a> stopper.stop(message);
-<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(message, ke);
-<a class="jxr_linenumber" name="226" href="#226">226</a> }
-<a class="jxr_linenumber" name="227" href="#227">227</a> src.enqueueLog(<strong class="jxr_keyword">this</strong>.latestPath);
-<a class="jxr_linenumber" name="228" href="#228">228</a> }
-<a class="jxr_linenumber" name="229" href="#229">229</a> }
-<a class="jxr_linenumber" name="230" href="#230">230</a> src.startup();
-<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">return</strong> src;
-<a class="jxr_linenumber" name="232" href="#232">232</a> }
-<a class="jxr_linenumber" name="233" href="#233">233</a>
-<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> * Terminate the replication on this region server</em>
-<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> join() {
-<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">this</strong>.executor.shutdown();
-<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.sources.size() == 0) {
-<a class="jxr_linenumber" name="240" href="#240">240</a> <strong class="jxr_keyword">this</strong>.zkHelper.deleteOwnRSZNode();
-<a class="jxr_linenumber" name="241" href="#241">241</a> }
-<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface source : <strong class="jxr_keyword">this</strong>.sources) {
-<a class="jxr_linenumber" name="243" href="#243">243</a> source.terminate(<span class="jxr_string">"Region server is closing"</span>);
-<a class="jxr_linenumber" name="244" href="#244">244</a> }
-<a class="jxr_linenumber" name="245" href="#245">245</a> }
-<a class="jxr_linenumber" name="246" href="#246">246</a>
-<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment"> * Get a copy of the hlogs of the first source on this rs</em>
-<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment"> * @return a sorted set of hlog names</em>
-<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">protected</strong> Map<String, SortedSet<String>> getHLogs() {
-<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">return</strong> Collections.unmodifiableMap(hlogsById);
-<a class="jxr_linenumber" name="253" href="#253">253</a> }
-<a class="jxr_linenumber" name="254" href="#254">254</a>
-<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment"> * Get a list of all the normal sources of this rs</em>
-<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @return lis of all sources</em>
-<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">public</strong> List<ReplicationSourceInterface> getSources() {
-<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.sources;
-<a class="jxr_linenumber" name="261" href="#261">261</a> }
-<a class="jxr_linenumber" name="262" href="#262">262</a>
-<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">void</strong> preLogRoll(Path newLog) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="264" href="#264">264</a> <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.replicating.get()) {
-<a class="jxr_linenumber" name="265" href="#265">265</a> LOG.warn(<span class="jxr_string">"Replication stopped, won't add new log"</span>);
-<a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="267" href="#267">267</a> }
-<a class="jxr_linenumber" name="268" href="#268">268</a>
-<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>.hlogsById) {
-<a class="jxr_linenumber" name="270" href="#270">270</a> String name = newLog.getName();
-<a class="jxr_linenumber" name="271" href="#271">271</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface source : <strong class="jxr_keyword">this</strong>.sources) {
-<a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">this</strong>.zkHelper.addLogToList(name, source.getPeerClusterZnode());
-<a class="jxr_linenumber" name="274" href="#274">274</a> } <strong class="jxr_keyword">catch</strong> (KeeperException ke) {
-<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Cannot add log to zk for replication"</span>, ke);
-<a class="jxr_linenumber" name="276" href="#276">276</a> }
-<a class="jxr_linenumber" name="277" href="#277">277</a> }
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">for</strong> (SortedSet<String> hlogs : <strong class="jxr_keyword">this</strong>.hlogsById.values()) {
-<a class="jxr_linenumber" name="279" href="#279">279</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.sources.isEmpty()) {
-<a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_comment">// If there's no slaves, don't need to keep the old hlogs since</em>
-<a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_comment">// we only consider the last one when a new slave comes in</em>
-<a class="jxr_linenumber" name="282" href="#282">282</a> hlogs.clear();
-<a class="jxr_linenumber" name="283" href="#283">283</a> }
-<a class="jxr_linenumber" name="284" href="#284">284</a> hlogs.add(name);
-<a class="jxr_linenumber" name="285" href="#285">285</a> }
-<a class="jxr_linenumber" name="286" href="#286">286</a> }
-<a class="jxr_linenumber" name="287" href="#287">287</a>
-<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">this</strong>.latestPath = newLog;
-<a class="jxr_linenumber" name="289" href="#289">289</a> }
-<a class="jxr_linenumber" name="290" href="#290">290</a>
-<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">void</strong> postLogRoll(Path newLog) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="292" href="#292">292</a> <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.replicating.get()) {
-<a class="jxr_linenumber" name="293" href="#293">293</a> LOG.warn(<span class="jxr_string">"Replication stopped, won't add new log"</span>);
-<a class="jxr_linenumber" name="294" href="#294">294</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="295" href="#295">295</a> }
-<a class="jxr_linenumber" name="296" href="#296">296</a>
-<a class="jxr_linenumber" name="297" href="#297">297</a> <em class="jxr_comment">// This only updates the sources we own, not the recovered ones</em>
-<a class="jxr_linenumber" name="298" href="#298">298</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface source : <strong class="jxr_keyword">this</strong>.sources) {
-<a class="jxr_linenumber" name="299" href="#299">299</a> source.enqueueLog(newLog);
-<a class="jxr_linenumber" name="300" href="#300">300</a> }
-<a class="jxr_linenumber" name="301" href="#301">301</a> }
-<a class="jxr_linenumber" name="302" href="#302">302</a>
-<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="304" href="#304">304</a> <em class="jxr_javadoccomment"> * Get the ZK help of this manager</em>
-<a class="jxr_linenumber" name="305" href="#305">305</a> <em class="jxr_javadoccomment"> * @return the helper</em>
-<a class="jxr_linenumber" name="306" href="#306">306</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/ReplicationZookeeper.html">ReplicationZookeeper</a> getRepZkWrapper() {
-<a class="jxr_linenumber" name="308" href="#308">308</a> <strong class="jxr_keyword">return</strong> zkHelper;
-<a class="jxr_linenumber" name="309" href="#309">309</a> }
-<a class="jxr_linenumber" name="310" href="#310">310</a>
-<a class="jxr_linenumber" name="311" href="#311">311</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * Factory method to create a replication source</em>
-<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * @param conf the configuration to use</em>
-<a class="jxr_linenumber" name="314" href="#314">314</a> <em class="jxr_javadoccomment"> * @param fs the file system to use</em>
-<a class="jxr_linenumber" name="315" href="#315">315</a> <em class="jxr_javadoccomment"> * @param manager the manager to use</em>
-<a class="jxr_linenumber" name="316" href="#316">316</a> <em class="jxr_javadoccomment"> * @param stopper the stopper object for this region server</em>
-<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment"> * @param replicating the status of the replication on this cluster</em>
-<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment"> * @param peerId the id of the peer cluster</em>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment"> * @return the created source</em>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> getReplicationSource(
-<a class="jxr_linenumber" name="323" href="#323">323</a> <strong class="jxr_keyword">final</strong> Configuration conf,
-<a class="jxr_linenumber" name="324" href="#324">324</a> <strong class="jxr_keyword">final</strong> FileSystem fs,
-<a class="jxr_linenumber" name="325" href="#325">325</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">ReplicationSourceManager</a> manager,
-<a class="jxr_linenumber" name="326" href="#326">326</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/Stoppable.html">Stoppable</a> stopper,
-<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">final</strong> AtomicBoolean replicating,
-<a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">final</strong> String peerId) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="329" href="#329">329</a> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> src;
-<a class="jxr_linenumber" name="330" href="#330">330</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="331" href="#331">331</a> @SuppressWarnings(<span class="jxr_string">"rawtypes"</span>)
-<a class="jxr_linenumber" name="332" href="#332">332</a> Class c = Class.forName(conf.get(<span class="jxr_string">"replication.replicationsource.implementation"</span>,
-<a class="jxr_linenumber" name="333" href="#333">333</a> ReplicationSource.<strong class="jxr_keyword">class</strong>.getCanonicalName()));
-<a class="jxr_linenumber" name="334" href="#334">334</a> src = (ReplicationSourceInterface) c.newInstance();
-<a class="jxr_linenumber" name="335" href="#335">335</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
-<a class="jxr_linenumber" name="336" href="#336">336</a> LOG.warn(<span class="jxr_string">"Passed replication source implementation throws errors, "</span> +
-<a class="jxr_linenumber" name="337" href="#337">337</a> <span class="jxr_string">"defaulting to ReplicationSource"</span>, e);
-<a class="jxr_linenumber" name="338" href="#338">338</a> src = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html">ReplicationSource</a>();
-<a class="jxr_linenumber" name="339" href="#339">339</a>
-<a class="jxr_linenumber" name="340" href="#340">340</a> }
-<a class="jxr_linenumber" name="341" href="#341">341</a> src.init(conf, fs, manager, stopper, replicating, peerId);
-<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">return</strong> src;
-<a class="jxr_linenumber" name="343" href="#343">343</a> }
-<a class="jxr_linenumber" name="344" href="#344">344</a>
-<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="346" href="#346">346</a> <em class="jxr_javadoccomment"> * Transfer all the queues of the specified to this region server.</em>
-<a class="jxr_linenumber" name="347" href="#347">347</a> <em class="jxr_javadoccomment"> * First it tries to grab a lock and if it works it will move the</em>
-<a class="jxr_linenumber" name="348" href="#348">348</a> <em class="jxr_javadoccomment"> * znodes and finally will delete the old znodes.</em>
-<a class="jxr_linenumber" name="349" href="#349">349</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="350" href="#350">350</a> <em class="jxr_javadoccomment"> * It creates one old source for any type of source of the old rs.</em>
-<a class="jxr_linenumber" name="351" href="#351">351</a> <em class="jxr_javadoccomment"> * @param rsZnode</em>
-<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="353" href="#353">353</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> transferQueues(String rsZnode) {
-<a class="jxr_linenumber" name="354" href="#354">354</a> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">NodeFailoverWorker</a> transfer = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">NodeFailoverWorker</a>(rsZnode);
-<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">this</strong>.executor.execute(transfer);
-<a class="jxr_linenumber" name="357" href="#357">357</a> } <strong class="jxr_keyword">catch</strong> (RejectedExecutionException ex) {
-<a class="jxr_linenumber" name="358" href="#358">358</a> LOG.info(<span class="jxr_string">"Cancelling the transfer of "</span> + rsZnode +
-<a class="jxr_linenumber" name="359" href="#359">359</a> <span class="jxr_string">" because of "</span> + ex.getMessage());
-<a class="jxr_linenumber" name="360" href="#360">360</a> }
-<a class="jxr_linenumber" name="361" href="#361">361</a> }
-<a class="jxr_linenumber" name="362" href="#362">362</a>
-<a class="jxr_linenumber" name="363" href="#363">363</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="364" href="#364">364</a> <em class="jxr_javadoccomment"> * Clear the references to the specified old source</em>
-<a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_javadoccomment"> * @param src source to clear</em>
-<a class="jxr_linenumber" name="366" href="#366">366</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="367" href="#367">367</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> closeRecoveredQueue(<a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> src) {
-<a class="jxr_linenumber" name="368" href="#368">368</a> LOG.info(<span class="jxr_string">"Done with the recovered queue "</span> + src.getPeerClusterZnode());
-<a class="jxr_linenumber" name="369" href="#369">369</a> <strong class="jxr_keyword">this</strong>.oldsources.remove(src);
-<a class="jxr_linenumber" name="370" href="#370">370</a> <strong class="jxr_keyword">this</strong>.zkHelper.deleteSource(src.getPeerClusterZnode(), false);
-<a class="jxr_linenumber" name="371" href="#371">371</a> }
-<a class="jxr_linenumber" name="372" href="#372">372</a>
-<a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_javadoccomment"> * Thie method first deletes all the recovered sources for the specified</em>
-<a class="jxr_linenumber" name="375" href="#375">375</a> <em class="jxr_javadoccomment"> * id, then deletes the normal source (deleting all related data in ZK).</em>
-<a class="jxr_linenumber" name="376" href="#376">376</a> <em class="jxr_javadoccomment"> * @param id The id of the peer cluster</em>
-<a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="378" href="#378">378</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removePeer(String id) {
-<a class="jxr_linenumber" name="379" href="#379">379</a> LOG.info(<span class="jxr_string">"Closing the following queue "</span> + id + <span class="jxr_string">", currently have "</span>
-<a class="jxr_linenumber" name="380" href="#380">380</a> + sources.size() + <span class="jxr_string">" and another "</span>
-<a class="jxr_linenumber" name="381" href="#381">381</a> + oldsources.size() + <span class="jxr_string">" that were recovered"</span>);
-<a class="jxr_linenumber" name="382" href="#382">382</a> String terminateMessage = <span class="jxr_string">"Replication stream was removed by a user"</span>;
-<a class="jxr_linenumber" name="383" href="#383">383</a> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> srcToRemove = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="384" href="#384">384</a> List<ReplicationSourceInterface> oldSourcesToDelete =
-<a class="jxr_linenumber" name="385" href="#385">385</a> <strong class="jxr_keyword">new</strong> ArrayList<ReplicationSourceInterface>();
-<a class="jxr_linenumber" name="386" href="#386">386</a> <em class="jxr_comment">// First close all the recovered sources for this peer</em>
-<a class="jxr_linenumber" name="387" href="#387">387</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface src : oldsources) {
-<a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">if</strong> (id.equals(src.getPeerClusterId())) {
-<a class="jxr_linenumber" name="389" href="#389">389</a> oldSourcesToDelete.add(src);
-<a class="jxr_linenumber" name="390" href="#390">390</a> }
-<a class="jxr_linenumber" name="391" href="#391">391</a> }
-<a class="jxr_linenumber" name="392" href="#392">392</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface src : oldSourcesToDelete) {
-<a class="jxr_linenumber" name="393" href="#393">393</a> src.terminate(terminateMessage);
-<a class="jxr_linenumber" name="394" href="#394">394</a> closeRecoveredQueue((src));
-<a class="jxr_linenumber" name="395" href="#395">395</a> }
-<a class="jxr_linenumber" name="396" href="#396">396</a> LOG.info(<span class="jxr_string">"Number of deleted recovered sources for "</span> + id + <span class="jxr_string">": "</span>
-<a class="jxr_linenumber" name="397" href="#397">397</a> + oldSourcesToDelete.size());
-<a class="jxr_linenumber" name="398" href="#398">398</a> <em class="jxr_comment">// Now look for the one on this cluster</em>
-<a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface src : <strong class="jxr_keyword">this</strong>.sources) {
-<a class="jxr_linenumber" name="400" href="#400">400</a> <strong class="jxr_keyword">if</strong> (id.equals(src.getPeerClusterId())) {
-<a class="jxr_linenumber" name="401" href="#401">401</a> srcToRemove = src;
-<a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="403" href="#403">403</a> }
-<a class="jxr_linenumber" name="404" href="#404">404</a> }
-<a class="jxr_linenumber" name="405" href="#405">405</a> <strong class="jxr_keyword">if</strong> (srcToRemove == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="406" href="#406">406</a> LOG.error(<span class="jxr_string">"The queue we wanted to close is missing "</span> + id);
-<a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="408" href="#408">408</a> }
-<a class="jxr_linenumber" name="409" href="#409">409</a> srcToRemove.terminate(terminateMessage);
-<a class="jxr_linenumber" name="410" href="#410">410</a> <strong class="jxr_keyword">this</strong>.sources.remove(srcToRemove);
-<a class="jxr_linenumber" name="411" href="#411">411</a> <strong class="jxr_keyword">this</strong>.zkHelper.deleteSource(id, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="412" href="#412">412</a> }
-<a class="jxr_linenumber" name="413" href="#413">413</a>
-<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="415" href="#415">415</a> <em class="jxr_javadoccomment"> * Reads the list of region servers from ZK and atomically clears our</em>
-<a class="jxr_linenumber" name="416" href="#416">416</a> <em class="jxr_javadoccomment"> * local view of it and replaces it with the updated list.</em>
-<a class="jxr_linenumber" name="417" href="#417">417</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="418" href="#418">418</a> <em class="jxr_javadoccomment"> * @return true if the local list of the other region servers was updated</em>
-<a class="jxr_linenumber" name="419" href="#419">419</a> <em class="jxr_javadoccomment"> * with the ZK data (even if it was empty),</em>
-<a class="jxr_linenumber" name="420" href="#420">420</a> <em class="jxr_javadoccomment"> * false if the data was missing in ZK</em>
-<a class="jxr_linenumber" name="421" href="#421">421</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> refreshOtherRegionServersList() {
-<a class="jxr_linenumber" name="423" href="#423">423</a> List<String> newRsList = zkHelper.getRegisteredRegionServers();
-<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">if</strong> (newRsList == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="426" href="#426">426</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="427" href="#427">427</a> <strong class="jxr_keyword">synchronized</strong> (otherRegionServers) {
-<a class="jxr_linenumber" name="428" href="#428">428</a> otherRegionServers.clear();
-<a class="jxr_linenumber" name="429" href="#429">429</a> otherRegionServers.addAll(newRsList);
-<a class="jxr_linenumber" name="430" href="#430">430</a> }
-<a class="jxr_linenumber" name="431" href="#431">431</a> }
-<a class="jxr_linenumber" name="432" href="#432">432</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="433" href="#433">433</a> }
-<a class="jxr_linenumber" name="434" href="#434">434</a>
-<a class="jxr_linenumber" name="435" href="#435">435</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="436" href="#436">436</a> <em class="jxr_javadoccomment"> * Watcher used to be notified of the other region server's death</em>
-<a class="jxr_linenumber" name="437" href="#437">437</a> <em class="jxr_javadoccomment"> * in the local cluster. It initiates the process to transfer the queues</em>
-<a class="jxr_linenumber" name="438" href="#438">438</a> <em class="jxr_javadoccomment"> * if it is able to grab the lock.</em>
-<a class="jxr_linenumber" name="439" href="#439">439</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="440" href="#440">440</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">OtherRegionServerWatcher</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperListener.html">ZooKeeperListener</a> {
-<a class="jxr_linenumber" name="441" href="#441">441</a>
-<a class="jxr_linenumber" name="442" href="#442">442</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="443" href="#443">443</a> <em class="jxr_javadoccomment"> * Construct a ZooKeeper event listener.</em>
-<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="445" href="#445">445</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">OtherRegionServerWatcher</a>(<a href="../../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> watcher) {
-<a class="jxr_linenumber" name="446" href="#446">446</a> <strong class="jxr_keyword">super</strong>(watcher);
-<a class="jxr_linenumber" name="447" href="#447">447</a> }
-<a class="jxr_linenumber" name="448" href="#448">448</a>
-<a class="jxr_linenumber" name="449" href="#449">449</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="450" href="#450">450</a> <em class="jxr_javadoccomment"> * Called when a new node has been created.</em>
-<a class="jxr_linenumber" name="451" href="#451">451</a> <em class="jxr_javadoccomment"> * @param path full path of the new node</em>
-<a class="jxr_linenumber" name="452" href="#452">452</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="453" href="#453">453</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> nodeCreated(String path) {
-<a class="jxr_linenumber" name="454" href="#454">454</a> refreshListIfRightPath(path);
-<a class="jxr_linenumber" name="455" href="#455">455</a> }
-<a class="jxr_linenumber" name="456" href="#456">456</a>
-<a class="jxr_linenumber" name="457" href="#457">457</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="458" href="#458">458</a> <em class="jxr_javadoccomment"> * Called when a node has been deleted</em>
-<a class="jxr_linenumber" name="459" href="#459">459</a> <em class="jxr_javadoccomment"> * @param path full path of the deleted node</em>
-<a class="jxr_linenumber" name="460" href="#460">460</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="461" href="#461">461</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> nodeDeleted(String path) {
-<a class="jxr_linenumber" name="462" href="#462">462</a> <strong class="jxr_keyword">if</strong> (stopper.isStopped()) {
-<a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="464" href="#464">464</a> }
-<a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">boolean</strong> cont = refreshListIfRightPath(path);
-<a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">if</strong> (!cont) {
-<a class="jxr_linenumber" name="467" href="#467">467</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="468" href="#468">468</a> }
-<a class="jxr_linenumber" name="469" href="#469">469</a> LOG.info(path + <span class="jxr_string">" znode expired, trying to lock it"</span>);
-<a class="jxr_linenumber" name="470" href="#470">470</a> transferQueues(ReplicationZookeeper.getZNodeName(path));
-<a class="jxr_linenumber" name="471" href="#471">471</a> }
-<a class="jxr_linenumber" name="472" href="#472">472</a>
-<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="474" href="#474">474</a> <em class="jxr_javadoccomment"> * Called when an existing node has a child node added or removed.</em>
-<a class="jxr_linenumber" name="475" href="#475">475</a> <em class="jxr_javadoccomment"> * @param path full path of the node whose children have changed</em>
-<a class="jxr_linenumber" name="476" href="#476">476</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="477" href="#477">477</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> nodeChildrenChanged(String path) {
-<a class="jxr_linenumber" name="478" href="#478">478</a> <strong class="jxr_keyword">if</strong> (stopper.isStopped()) {
-<a class="jxr_linenumber" name="479" href="#479">479</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="480" href="#480">480</a> }
-<a class="jxr_linenumber" name="481" href="#481">481</a> refreshListIfRightPath(path);
-<a class="jxr_linenumber" name="482" href="#482">482</a> }
-<a class="jxr_linenumber" name="483" href="#483">483</a>
-<a class="jxr_linenumber" name="484" href="#484">484</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> refreshListIfRightPath(String path) {
-<a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">if</strong> (!path.startsWith(zkHelper.getZookeeperWatcher().rsZNode)) {
-<a class="jxr_linenumber" name="486" href="#486">486</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="487" href="#487">487</a> }
-<a class="jxr_linenumber" name="488" href="#488">488</a> <strong class="jxr_keyword">return</strong> refreshOtherRegionServersList();
-<a class="jxr_linenumber" name="489" href="#489">489</a> }
-<a class="jxr_linenumber" name="490" href="#490">490</a> }
-<a class="jxr_linenumber" name="491" href="#491">491</a>
-<a class="jxr_linenumber" name="492" href="#492">492</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="493" href="#493">493</a> <em class="jxr_javadoccomment"> * Watcher used to follow the creation and deletion of peer clusters.</em>
-<a class="jxr_linenumber" name="494" href="#494">494</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="495" href="#495">495</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">PeersWatcher</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperListener.html">ZooKeeperListener</a> {
-<a class="jxr_linenumber" name="496" href="#496">496</a>
-<a class="jxr_linenumber" name="497" href="#497">497</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="498" href="#498">498</a> <em class="jxr_javadoccomment"> * Construct a ZooKeeper event listener.</em>
-<a class="jxr_linenumber" name="499" href="#499">499</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="500" href="#500">500</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">PeersWatcher</a>(<a href="../../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> watcher) {
-<a class="jxr_linenumber" name="501" href="#501">501</a> <strong class="jxr_keyword">super</strong>(watcher);
-<a class="jxr_linenumber" name="502" href="#502">502</a> }
-<a class="jxr_linenumber" name="503" href="#503">503</a>
-<a class="jxr_linenumber" name="504" href="#504">504</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="505" href="#505">505</a> <em class="jxr_javadoccomment"> * Called when a node has been deleted</em>
-<a class="jxr_linenumber" name="506" href="#506">506</a> <em class="jxr_javadoccomment"> * @param path full path of the deleted node</em>
-<a class="jxr_linenumber" name="507" href="#507">507</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="508" href="#508">508</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> nodeDeleted(String path) {
-<a class="jxr_linenumber" name="509" href="#509">509</a> List<String> peers = refreshPeersList(path);
-<a class="jxr_linenumber" name="510" href="#510">510</a> <strong class="jxr_keyword">if</strong> (peers == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="511" href="#511">511</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="512" href="#512">512</a> }
-<a class="jxr_linenumber" name="513" href="#513">513</a> <strong class="jxr_keyword">if</strong> (zkHelper.isPeerPath(path)) {
-<a class="jxr_linenumber" name="514" href="#514">514</a> String id = ReplicationZookeeper.getZNodeName(path);
-<a class="jxr_linenumber" name="515" href="#515">515</a> removePeer(id);
-<a class="jxr_linenumber" name="516" href="#516">516</a> }
-<a class="jxr_linenumber" name="517" href="#517">517</a> }
-<a class="jxr_linenumber" name="518" href="#518">518</a>
-<a class="jxr_linenumber" name="519" href="#519">519</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="520" href="#520">520</a> <em class="jxr_javadoccomment"> * Called when an existing node has a child node added or removed.</em>
-<a class="jxr_linenumber" name="521" href="#521">521</a> <em class="jxr_javadoccomment"> * @param path full path of the node whose children have changed</em>
-<a class="jxr_linenumber" name="522" href="#522">522</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="523" href="#523">523</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> nodeChildrenChanged(String path) {
-<a class="jxr_linenumber" name="524" href="#524">524</a> List<String> peers = refreshPeersList(path);
-<a class="jxr_linenumber" name="525" href="#525">525</a> <strong class="jxr_keyword">if</strong> (peers == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="526" href="#526">526</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="527" href="#527">527</a> }
-<a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">for</strong> (String id : peers) {
-<a class="jxr_linenumber" name="529" href="#529">529</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="530" href="#530">530</a> <strong class="jxr_keyword">boolean</strong> added = zkHelper.connectToPeer(id);
-<a class="jxr_linenumber" name="531" href="#531">531</a> <strong class="jxr_keyword">if</strong> (added) {
-<a class="jxr_linenumber" name="532" href="#532">532</a> addSource(id);
-<a class="jxr_linenumber" name="533" href="#533">533</a> }
-<a class="jxr_linenumber" name="534" href="#534">534</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
-<a class="jxr_linenumber" name="535" href="#535">535</a> <em class="jxr_comment">// TODO manage better than that ?</em>
+<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * @param replicationQueues the interface for manipulating replication queues</em>
+<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * @param conf the configuration to use</em>
+<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * @param stopper the stopper object for this region server</em>
+<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * @param fs the file system to use</em>
+<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * @param replicating the status of the replication on this cluster</em>
+<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * @param logDir the directory that contains all hlog directories of live RSs</em>
+<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * @param oldLogDir the directory where old logs are archived</em>
+<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">ReplicationSourceManager</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/ReplicationZookeeper.html">ReplicationZookeeper</a> zkHelper,
+<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/ReplicationQueues.html">ReplicationQueues</a> replicationQueues, <strong class="jxr_keyword">final</strong> Configuration conf, <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/hadoop/hbase/Stoppable.html">Stoppable</a> stopper,
+<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">final</strong> FileSystem fs, <strong class="jxr_keyword">final</strong> AtomicBoolean replicating, <strong class="jxr_keyword">final</strong> Path logDir,
+<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">final</strong> Path oldLogDir) {
+<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">this</strong>.sources = <strong class="jxr_keyword">new</strong> ArrayList<ReplicationSourceInterface>();
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">this</strong>.replicating = replicating;
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">this</strong>.zkHelper = zkHelper;
+<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">this</strong>.replicationQueues = replicationQueues;
+<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">this</strong>.stopper = stopper;
+<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">this</strong>.hlogsById = <strong class="jxr_keyword">new</strong> HashMap<String, SortedSet<String>>();
+<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">this</strong>.oldsources = <strong class="jxr_keyword">new</strong> ArrayList<ReplicationSourceInterface>();
+<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">this</strong>.conf = conf;
+<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">this</strong>.fs = fs;
+<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">this</strong>.logDir = logDir;
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">this</strong>.oldLogDir = oldLogDir;
+<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">this</strong>.sleepBeforeFailover = conf.getLong(<span class="jxr_string">"replication.sleep.before.failover"</span>, 2000);
+<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">this</strong>.zkHelper.registerRegionServerListener(
+<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">OtherRegionServerWatcher</a>(<strong class="jxr_keyword">this</strong>.zkHelper.getZookeeperWatcher()));
+<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">this</strong>.zkHelper.registerRegionServerListener(
+<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.html">PeersWatcher</a>(<strong class="jxr_keyword">this</strong>.zkHelper.getZookeeperWatcher()));
+<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">this</strong>.zkHelper.listPeersIdsAndWatch();
+<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment">// It's preferable to failover 1 RS at a time, but with good zk servers</em>
+<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_comment">// more could be processed at the same time.</em>
+<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">int</strong> nbWorkers = conf.getInt(<span class="jxr_string">"replication.executor.workers"</span>, 1);
+<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_comment">// use a short 100ms sleep since this could be done inline with a RS startup</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_comment">// even if we fail, other region servers can take care of it</em>
+<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">this</strong>.executor = <strong class="jxr_keyword">new</strong> ThreadPoolExecutor(nbWorkers, nbWorkers,
+<a class="jxr_linenumber" name="137" href="#137">137</a> 100, TimeUnit.MILLISECONDS,
+<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">new</strong> LinkedBlockingQueue<Runnable>());
+<a class="jxr_linenumber" name="139" href="#139">139</a> ThreadFactoryBuilder tfb = <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder();
+<a class="jxr_linenumber" name="140" href="#140">140</a> tfb.setNameFormat(<span class="jxr_string">"ReplicationExecutor-%d"</span>);
+<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">this</strong>.executor.setThreadFactory(tfb.build());
+<a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">this</strong>.rand = <strong class="jxr_keyword">new</strong> Random();
+<a class="jxr_linenumber" name="143" href="#143">143</a> }
+<a class="jxr_linenumber" name="144" href="#144">144</a>
+<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * Provide the id of the peer and a log key and this method will figure which</em>
+<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * hlog it belongs to and will log, for this region server, the current</em>
+<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment"> * position. It will also clean old logs from the queue.</em>
+<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * @param log Path to the log currently being replicated from</em>
+<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * replication status in zookeeper. It will also delete older entries.</em>
+<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * @param id id of the peer cluster</em>
+<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * @param position current location in the log</em>
+<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @param queueRecovered indicates if this queue comes from another region server</em>
+<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * @param holdLogInZK if true then the log is retained in ZK</em>
+<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> logPositionAndCleanOldLogs(Path log, String id, <strong class="jxr_keyword">long</strong> position,
+<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">boolean</strong> queueRecovered, <strong class="jxr_keyword">boolean</strong> holdLogInZK) {
+<a class="jxr_linenumber" name="158" href="#158">158</a> String key = log.getName();
+<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">this</strong>.zkHelper.writeReplicationStatus(key, id, position);
+<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">if</strong> (holdLogInZK) {
+<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="162" href="#162">162</a> }
+<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>.hlogsById) {
+<a class="jxr_linenumber" name="164" href="#164">164</a> SortedSet<String> hlogs = <strong class="jxr_keyword">this</strong>.hlogsById.get(id);
+<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">if</strong> (!queueRecovered && !hlogs.first().equals(key)) {
+<a class="jxr_linenumber" name="166" href="#166">166</a> SortedSet<String> hlogSet = hlogs.headSet(key);
+<a class="jxr_linenumber" name="167" href="#167">167</a> <strong class="jxr_keyword">for</strong> (String hlog : hlogSet) {
+<a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">this</strong>.zkHelper.removeLogFromList(hlog, id);
+<a class="jxr_linenumber" name="169" href="#169">169</a> }
+<a class="jxr_linenumber" name="170" href="#170">170</a> hlogSet.clear();
+<a class="jxr_linenumber" name="171" href="#171">171</a> }
+<a class="jxr_linenumber" name="172" href="#172">172</a> }
+<a class="jxr_linenumber" name="173" href="#173">173</a> }
+<a class="jxr_linenumber" name="174" href="#174">174</a>
+<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * Adds a normal source per registered peer cluster and tries to process all</em>
+<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * old region server hlog queues</em>
+<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">for</strong> (String id : <strong class="jxr_keyword">this</strong>.zkHelper.getPeerClusters().keySet()) {
+<a class="jxr_linenumber" name="181" href="#181">181</a> addSource(id);
+<a class="jxr_linenumber" name="182" href="#182">182</a> }
+<a class="jxr_linenumber" name="183" href="#183">183</a> List<String> currentReplicators = <strong class="jxr_keyword">this</strong>.replicationQueues.getListOfReplicators();
+<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">if</strong> (currentReplicators == <strong class="jxr_keyword">null</strong> || currentReplicators.size() == 0) {
+<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="186" href="#186">186</a> }
+<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">synchronized</strong> (otherRegionServers) {
+<a class="jxr_linenumber" name="188" href="#188">188</a> refreshOtherRegionServersList();
+<a class="jxr_linenumber" name="189" href="#189">189</a> LOG.info(<span class="jxr_string">"Current list of replicators: "</span> + currentReplicators
+<a class="jxr_linenumber" name="190" href="#190">190</a> + <span class="jxr_string">" other RSs: "</span> + otherRegionServers);
+<a class="jxr_linenumber" name="191" href="#191">191</a> }
+<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_comment">// Look if there's anything to process after a restart</em>
+<a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">for</strong> (String rs : currentReplicators) {
+<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">synchronized</strong> (otherRegionServers) {
+<a class="jxr_linenumber" name="195" href="#195">195</a> <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.otherRegionServers.contains(rs)) {
+<a class="jxr_linenumber" name="196" href="#196">196</a> transferQueues(rs);
+<a class="jxr_linenumber" name="197" href="#197">197</a> }
+<a class="jxr_linenumber" name="198" href="#198">198</a> }
+<a class="jxr_linenumber" name="199" href="#199">199</a> }
+<a class="jxr_linenumber" name="200" href="#200">200</a> }
+<a class="jxr_linenumber" name="201" href="#201">201</a>
+<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment"> * Add a new normal source to this region server</em>
+<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * @param id the id of the peer cluster</em>
+<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment"> * @return the source that was created</em>
+<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
+<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> addSource(String id) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="209" href="#209">209</a> <a href="../../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceInterface.html">ReplicationSourceInterface</a> src =
+<a class="jxr_linenumber" name="210" href="#210">210</a> getReplicationSource(<strong class="jxr_keyword">this</strong>.conf, <strong class="jxr_keyword">this</strong>.fs, <strong class="jxr_keyword">this</strong>, stopper, replicating, id);
+<a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>.hlogsById) {
+<a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">this</strong>.sources.add(src);
+<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">this</strong>.hlogsById.put(id, <strong class="jxr_keyword">new</strong> TreeSet<String>());
+<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_comment">// Add the latest hlog to that source's queue</em>
+<a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.latestPath != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="216" href="#216">216</a> String name = <strong class="jxr_keyword">this</strong>.latestPath.getName();
+<a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">this</strong>.hlogsById.get(id).add(name);
+<a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">this</strong>.zkHelper.addLogToList(name, src.getPeerClusterZnode());
+<a class="jxr_linenumber" name="220" href="#220">220</a> } <strong class="jxr_keyword">catch</strong> (KeeperException ke) {
+<a class="jxr_linenumber" name="221" href="#221">221</a> String message = <span class="jxr_string">"Cannot add log to zk for"</span> +
+<a class="jxr_linenumber" name="222" href="#222">222</a> <span class="jxr_string">" replication when creating a new source"</span>;
+<a class="jxr_linenumber" name="223" href="#223">223</a> stopper.stop(message);
+<a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(message, ke);
+<a class="jxr_linenumber" name="225" href="#225">225</a> }
+<a class="jxr_linenumber" name="226" href="#226">226</a> src.enqueueLog(<strong class="jxr_keyword">this</strong>.latestPath);
+<a class="jxr_linenumber" name="227" href="#227">227</a> }
+<a class="jxr_linenumber" name="228" href="#228">228</a> }
+<a class="jxr_linenumber" name="229" href="#229">229</a> src.startup();
+<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">return</strong> src;
+<a class="jxr_linenumber" name="231" href="#231">231</a> }
+<a class="jxr_linenumber" name="232" href="#232">232</a>
+<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment"> * Terminate the replication on this region server</em>
+<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="236" href="#236">236</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> join() {
+<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">this</strong>.executor.shutdown();
+<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.sources.size() == 0) {
+<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">this</strong>.zkHelper.deleteOwnRSZNode();
+<a class="jxr_linenumber" name="240" href="#240">240</a> }
+<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface source : <strong class="jxr_keyword">this</strong>.sources) {
+<a class="jxr_linenumber" name="242" href="#242">242</a> source.terminate(<span class="jxr_string">"Region server is closing"</span>);
+<a class="jxr_linenumber" name="243" href="#243">243</a> }
+<a class="jxr_linenumber" name="244" href="#244">244</a> }
+<a class="jxr_linenumber" name="245" href="#245">245</a>
+<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment"> * Get a copy of the hlogs of the first source on this rs</em>
+<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment"> * @return a sorted set of hlog names</em>
+<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">protected</strong> Map<String, SortedSet<String>> getHLogs() {
+<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">return</strong> Collections.unmodifiableMap(hlogsById);
+<a class="jxr_linenumber" name="252" href="#252">252</a> }
+<a class="jxr_linenumber" name="253" href="#253">253</a>
+<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment"> * Get a list of all the normal sources of this rs</em>
+<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment"> * @return lis of all sources</em>
+<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">public</strong> List<ReplicationSourceInterface> getSources() {
+<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.sources;
+<a class="jxr_linenumber" name="260" href="#260">260</a> }
+<a class="jxr_linenumber" name="261" href="#261">261</a>
+<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">void</strong> preLogRoll(Path newLog) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.replicating.get()) {
+<a class="jxr_linenumber" name="264" href="#264">264</a> LOG.warn(<span class="jxr_string">"Replication stopped, won't add new log"</span>);
+<a class="jxr_linenumber" name="265" href="#265">265</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="266" href="#266">266</a> }
+<a class="jxr_linenumber" name="267" href="#267">267</a>
+<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>.hlogsById) {
+<a class="jxr_linenumber" name="269" href="#269">269</a> String name = newLog.getName();
+<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">for</strong> (ReplicationSourceInterface source : <strong class="jxr_keyword">this</strong>.sources) {
+<a class="jxr_linenumber" name="271" href="#271">271</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">this</strong>.zkHelper.addLogToList(name, source.getPeerClusterZnode());
+<a class="jxr_linenumber" name="273" href="#273">273</a> } <strong class="jxr_keyword">catch</strong> (KeeperException ke) {
+<a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Cannot add log to zk for replication"</span>, ke);
[... 522 lines stripped ...]