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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/19 20:26:53 UTC
[03/15] hbase-site git commit: Published site at
8eedc967515a4d9133068962fe029160d24e6f95.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f564c619/xref/org/apache/hadoop/hbase/master/AssignmentManager.html
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<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase.master;
<a class="jxr_linenumber" name="20" href="#20">20</a>
-<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
-<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
-<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.Collection;
-<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.Collections;
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.HashSet;
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;
-<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.Map;
-<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.NavigableMap;
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.Random;
-<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.Set;
-<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.TreeMap;
-<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Callable;
-<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap;
-<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.CopyOnWriteArrayList;
-<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
-<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicBoolean;
-<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicInteger;
-<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.locks.Lock;
-<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.locks.ReentrantLock;
-<a class="jxr_linenumber" name="42" href="#42">42</a>
-<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
-<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
-<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.classification.InterfaceAudience;
-<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
-<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.FileSystem;
-<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.Path;
-<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.CoordinatedStateException;
-<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HBaseIOException;
-<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HConstants;
-<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HRegionInfo;
-<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HRegionLocation;
-<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HTableDescriptor;
-<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.MetaTableAccessor;
-<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.NotServingRegionException;
-<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.RegionLocations;
-<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.RegionStateListener;
-<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ServerName;
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableName;
-<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableNotFoundException;
-<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.RegionReplicaUtil;
-<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Result;
-<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.TableState;
-<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.executor.EventHandler;
-<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.executor.EventType;
-<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.executor.ExecutorService;
-<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ipc.FailedServerException;
-<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ipc.RpcClient;
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.RegionState.State;
-<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.balancer.FavoredNodeAssignmentHelper;
-<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.balancer.FavoredNodeLoadBalancer;
-<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.handler.DisableTableHandler;
-<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.handler.EnableTableHandler;
-<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.normalizer.NormalizationPlan.PlanType;
-<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition;
-<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;
-<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.quotas.QuotaExceededException;
-<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionOpeningState;
-<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionServerAbortedException;
-<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;
-<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.wal.DefaultWALProvider;
-<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.FSUtils;
-<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.KeyLocker;
-<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair;
-<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.PairOfSameType;
-<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Threads;
-<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
-<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.ipc.RemoteException;
-<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.util.StringUtils;
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
-<a class="jxr_linenumber" name="94" href="#94">94</a>
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">import</strong> com.google.common.annotations.VisibleForTesting;
-<a class="jxr_linenumber" name="96" href="#96">96</a>
-<a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * Manages and performs region assignment.</em>
-<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * Related communications with regionserver are all done over RPC.</em>
-<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="101" href="#101">101</a> @InterfaceAudience.Private
-<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/AssignmentManager.html">AssignmentManager</a> {
-<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(AssignmentManager.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="104" href="#104">104</a>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html">MasterServices</a> server;
-<a class="jxr_linenumber" name="106" href="#106">106</a>
-<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager;
-<a class="jxr_linenumber" name="108" href="#108">108</a>
-<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> shouldAssignRegionsWithFavoredNodes;
-<a class="jxr_linenumber" name="110" href="#110">110</a>
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html">LoadBalancer</a> balancer;
-<a class="jxr_linenumber" name="112" href="#112">112</a>
-<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MetricsAssignmentManager.html">MetricsAssignmentManager</a> metricsAssignmentManager;
-<a class="jxr_linenumber" name="114" href="#114">114</a>
-<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableLockManager.html">TableLockManager</a> tableLockManager;
-<a class="jxr_linenumber" name="116" href="#116">116</a>
-<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">private</strong> AtomicInteger numRegionsOpened = <strong class="jxr_keyword">new</strong> AtomicInteger(0);
-<a class="jxr_linenumber" name="118" href="#118">118</a>
-<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">private</strong> KeyLocker<String> locker = <strong class="jxr_keyword">new</strong> KeyLocker<String>();
-<a class="jxr_linenumber" name="120" href="#120">120</a>
-<a class="jxr_linenumber" name="121" href="#121">121</a> Set<HRegionInfo> replicasToClose = Collections.synchronizedSet(<strong class="jxr_keyword">new</strong> HashSet<HRegionInfo>());
-<a class="jxr_linenumber" name="122" href="#122">122</a>
-<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * Map of regions to reopen after the schema of a table is changed. Key -</em>
-<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * encoded region name, value - HRegionInfo</em>
-<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map <String, HRegionInfo> regionsToReopen;
-<a class="jxr_linenumber" name="128" href="#128">128</a>
-<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_comment"> * Maximum times we recurse an assignment/unassignment.</em>
-<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment"> * See below in {@link #assign()} and {@link #unassign()}.</em>
-<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_comment"> */</em>
-<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maximumAttempts;
-<a class="jxr_linenumber" name="134" href="#134">134</a>
-<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * The sleep time for which the assignment will wait before retrying in case of</em>
-<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * hbase:meta assignment failure due to lack of availability of region plan or bad region plan</em>
-<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> sleepTimeBeforeRetryingMetaAssignment;
-<a class="jxr_linenumber" name="140" href="#140">140</a>
-<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Plans for region movement. Key is the encoded version of a region name*/</em>
-<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_comment">// TODO: When do plans get cleaned out? Ever? In server open and in server</em>
-<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_comment">// shutdown processing -- St.Ack</em>
-<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_comment">// All access to this Map must be synchronized.</em>
-<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">final</strong> NavigableMap<String, RegionPlan> regionPlans =
-<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">new</strong> TreeMap<String, RegionPlan>();
-<a class="jxr_linenumber" name="147" href="#147">147</a>
-<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableStateManager.html">TableStateManager</a> tableStateManager;
-<a class="jxr_linenumber" name="149" href="#149">149</a>
-<a class="jxr_linenumber" name="150" href="#150">150</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/executor/ExecutorService.html">ExecutorService</a> executorService;
-<a class="jxr_linenumber" name="151" href="#151">151</a>
-<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_comment">// Thread pool executor service. TODO, consolidate with executorService?</em>
-<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">private</strong> java.util.concurrent.ExecutorService threadPoolExecutorService;
-<a class="jxr_linenumber" name="154" href="#154">154</a>
-<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a> regionStates;
-<a class="jxr_linenumber" name="156" href="#156">156</a>
-<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_comment">// The threshold to use bulk assigning. Using bulk assignment</em>
-<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_comment">// only if assigning at least this many regions to at least this</em>
-<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_comment">// many servers. If assigning fewer regions to fewer servers,</em>
-<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_comment">// bulk assigning may be not as efficient.</em>
-<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bulkAssignThresholdRegions;
-<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bulkAssignThresholdServers;
-<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bulkPerRegionOpenTimeGuesstimate;
-<a class="jxr_linenumber" name="164" href="#164">164</a>
-<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_comment">// Should bulk assignment wait till all regions are assigned,</em>
-<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_comment">// or it is timed out? This is useful to measure bulk assignment</em>
-<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_comment">// performance, but not needed in most use cases.</em>
-<a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> bulkAssignWaitTillAllAssigned;
-<a class="jxr_linenumber" name="169" href="#169">169</a>
-<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * Indicator that AssignmentManager has recovered the region states so</em>
-<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * that ServerShutdownHandler can be fully enabled and re-assign regions</em>
-<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment"> * of dead servers. So that when re-assignment happens, AssignmentManager</em>
-<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * has proper region states.</em>
-<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"> * Protected to ease testing.</em>
-<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="178" href="#178">178</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> AtomicBoolean failoverCleanupDone = <strong class="jxr_keyword">new</strong> AtomicBoolean(false);
-<a class="jxr_linenumber" name="179" href="#179">179</a>
-<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * A map to track the count a region fails to open in a row.</em>
-<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * So that we don't try to open a region forever if the failure is</em>
-<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * unrecoverable. We don't put this information in region states</em>
-<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * because we don't expect this to happen frequently; we don't</em>
-<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment"> * want to copy this information over during each state transition either.</em>
-<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ConcurrentHashMap<String, AtomicInteger>
-<a class="jxr_linenumber" name="188" href="#188">188</a> failedOpenTracker = <strong class="jxr_keyword">new</strong> ConcurrentHashMap<String, AtomicInteger>();
-<a class="jxr_linenumber" name="189" href="#189">189</a>
-<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_comment">// In case not using ZK for region assignment, region states</em>
-<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_comment">// are persisted in meta with a state store</em>
-<a class="jxr_linenumber" name="192" href="#192">192</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStateStore.html">RegionStateStore</a> regionStateStore;
-<a class="jxr_linenumber" name="193" href="#193">193</a>
-<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment"> * For testing only! Set to true to skip handling of split.</em>
-<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="197" href="#197">197</a> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value=<span class="jxr_string">"MS_SHOULD_BE_FINAL"</span>)
-<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> TEST_SKIP_SPLIT_HANDLING = false;
-<a class="jxr_linenumber" name="199" href="#199">199</a>
-<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Listeners that are called on assignment events. */</em>
-<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">private</strong> List<AssignmentListener> listeners = <strong class="jxr_keyword">new</strong> CopyOnWriteArrayList<AssignmentListener>();
-<a class="jxr_linenumber" name="202" href="#202">202</a>
-<a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/RegionStateListener.html">RegionStateListener</a> regionStateListener;
-<a class="jxr_linenumber" name="204" href="#204">204</a>
-<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * Constructs a new assignment manager.</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> <em class="jxr_javadoccomment"> * @param server instance of HMaster this AM running inside</em>
-<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment"> * @param serverManager serverManager for associated HMaster</em>
-<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment"> * @param balancer implementation of {@link LoadBalancer}</em>
-<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment"> * @param service Executor service</em>
-<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * @param metricsMaster metrics manager</em>
-<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment"> * @param tableLockManager TableLock manager</em>
-<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/AssignmentManager.html">AssignmentManager</a>(<a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html">MasterServices</a> server, <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager,
-<a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html">LoadBalancer</a> balancer,
-<a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/executor/ExecutorService.html">ExecutorService</a> service, <a href="../../../../../org/apache/hadoop/hbase/master/MetricsMaster.html">MetricsMaster</a> metricsMaster,
-<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableLockManager.html">TableLockManager</a> tableLockManager,
-<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableStateManager.html">TableStateManager</a> tableStateManager)
-<a class="jxr_linenumber" name="221" href="#221">221</a> <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">this</strong>.server = server;
-<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">this</strong>.serverManager = serverManager;
-<a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">this</strong>.executorService = service;
-<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">this</strong>.regionStateStore = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStateStore.html">RegionStateStore</a>(server);
-<a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">this</strong>.regionsToReopen = Collections.synchronizedMap
-<a class="jxr_linenumber" name="227" href="#227">227</a> (<strong class="jxr_keyword">new</strong> HashMap<String, HRegionInfo> ());
-<a class="jxr_linenumber" name="228" href="#228">228</a> Configuration conf = server.getConfiguration();
-<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_comment">// Only read favored nodes if using the favored nodes load balancer.</em>
-<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">this</strong>.shouldAssignRegionsWithFavoredNodes = conf.getClass(
-<a class="jxr_linenumber" name="231" href="#231">231</a> HConstants.HBASE_MASTER_LOADBALANCER_CLASS, Object.<strong class="jxr_keyword">class</strong>).equals(
-<a class="jxr_linenumber" name="232" href="#232">232</a> FavoredNodeLoadBalancer.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="233" href="#233">233</a>
-<a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">this</strong>.tableStateManager = tableStateManager;
-<a class="jxr_linenumber" name="235" href="#235">235</a>
-<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_comment">// This is the max attempts, not retries, so it should be at least 1.</em>
-<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">this</strong>.maximumAttempts = Math.max(1,
-<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">this</strong>.server.getConfiguration().getInt(<span class="jxr_string">"hbase.assignment.maximum.attempts"</span>, 10));
-<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">this</strong>.sleepTimeBeforeRetryingMetaAssignment = <strong class="jxr_keyword">this</strong>.server.getConfiguration().getLong(
-<a class="jxr_linenumber" name="240" href="#240">240</a> <span class="jxr_string">"hbase.meta.assignment.retry.sleeptime"</span>, 1000l);
-<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">this</strong>.balancer = balancer;
-<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">int</strong> maxThreads = conf.getInt(<span class="jxr_string">"hbase.assignment.threads.max"</span>, 30);
-<a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">this</strong>.threadPoolExecutorService = Threads.getBoundedCachedThreadPool(
-<a class="jxr_linenumber" name="244" href="#244">244</a> maxThreads, 60L, TimeUnit.SECONDS, Threads.newDaemonThreadFactory(<span class="jxr_string">"AM."</span>));
-<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">this</strong>.regionStates = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a>(
-<a class="jxr_linenumber" name="246" href="#246">246</a> server, tableStateManager, serverManager, regionStateStore);
-<a class="jxr_linenumber" name="247" href="#247">247</a>
-<a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">this</strong>.bulkAssignWaitTillAllAssigned =
-<a class="jxr_linenumber" name="249" href="#249">249</a> conf.getBoolean(<span class="jxr_string">"hbase.bulk.assignment.waittillallassigned"</span>, false);
-<a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">this</strong>.bulkAssignThresholdRegions = conf.getInt(<span class="jxr_string">"hbase.bulk.assignment.threshold.regions"</span>, 7);
-<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">this</strong>.bulkAssignThresholdServers = conf.getInt(<span class="jxr_string">"hbase.bulk.assignment.threshold.servers"</span>, 3);
-<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">this</strong>.bulkPerRegionOpenTimeGuesstimate =
-<a class="jxr_linenumber" name="253" href="#253">253</a> conf.getInt(<span class="jxr_string">"hbase.bulk.assignment.perregion.open.time"</span>, 10000);
-<a class="jxr_linenumber" name="254" href="#254">254</a>
-<a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">this</strong>.metricsAssignmentManager = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MetricsAssignmentManager.html">MetricsAssignmentManager</a>();
-<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">this</strong>.tableLockManager = tableLockManager;
-<a class="jxr_linenumber" name="257" href="#257">257</a> }
-<a class="jxr_linenumber" name="258" href="#258">258</a>
-<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment"> * Add the listener to the notification list.</em>
-<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment"> * @param listener The AssignmentListener to register</em>
-<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> registerListener(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/AssignmentListener.html">AssignmentListener</a> listener) {
-<a class="jxr_linenumber" name="264" href="#264">264</a> <strong class="jxr_keyword">this</strong>.listeners.add(listener);
-<a class="jxr_linenumber" name="265" href="#265">265</a> }
-<a class="jxr_linenumber" name="266" href="#266">266</a>
-<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment"> * Remove the listener from the notification list.</em>
-<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment"> * @param listener The AssignmentListener to unregister</em>
-<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="271" href="#271">271</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> unregisterListener(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/AssignmentListener.html">AssignmentListener</a> listener) {
-<a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.listeners.remove(listener);
-<a class="jxr_linenumber" name="273" href="#273">273</a> }
-<a class="jxr_linenumber" name="274" href="#274">274</a>
-<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment"> * @return Instance of ZKTableStateManager.</em>
-<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableStateManager.html">TableStateManager</a> getTableStateManager() {
-<a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_comment">// These are 'expensive' to make involving trip to zk ensemble so allow</em>
-<a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_comment">// sharing.</em>
-<a class="jxr_linenumber" name="281" href="#281">281</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.tableStateManager;
-<a class="jxr_linenumber" name="282" href="#282">282</a> }
-<a class="jxr_linenumber" name="283" href="#283">283</a>
-<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment"> * This SHOULD not be public. It is public now</em>
-<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment"> * because of some unit tests.</em>
-<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment"> * TODO: make it package private and keep RegionStates in the master package</em>
-<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a> getRegionStates() {
-<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">return</strong> regionStates;
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-<a class="jxr_linenumber" name="293" href="#293">293</a>
-<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_javadoccomment"> * Used in some tests to mock up region state in meta</em>
-<a class="jxr_linenumber" name="296" href="#296">296</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="297" href="#297">297</a> @VisibleForTesting
-<a class="jxr_linenumber" name="298" href="#298">298</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStateStore.html">RegionStateStore</a> getRegionStateStore() {
-<a class="jxr_linenumber" name="299" href="#299">299</a> <strong class="jxr_keyword">return</strong> regionStateStore;
-<a class="jxr_linenumber" name="300" href="#300">300</a> }
-<a class="jxr_linenumber" name="301" href="#301">301</a>
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-<a class="jxr_linenumber" name="305" href="#305">305</a>
-<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> <em class="jxr_javadoccomment"> * Add a regionPlan for the specified region.</em>
-<a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment"> * @param encodedName</em>
-<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * @param plan</em>
-<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addPlan(String encodedName, <a href="../../../../../org/apache/hadoop/hbase/master/RegionPlan.html">RegionPlan</a> plan) {
-<a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">synchronized</strong> (regionPlans) {
-<a class="jxr_linenumber" name="313" href="#313">313</a> regionPlans.put(encodedName, plan);
-<a class="jxr_linenumber" name="314" href="#314">314</a> }
-<a class="jxr_linenumber" name="315" href="#315">315</a> }
-<a class="jxr_linenumber" name="316" href="#316">316</a>
-<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment"> * Add a map of region plans.</em>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addPlans(Map<String, RegionPlan> plans) {
-<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">synchronized</strong> (regionPlans) {
-<a class="jxr_linenumber" name="322" href="#322">322</a> regionPlans.putAll(plans);
-<a class="jxr_linenumber" name="323" href="#323">323</a> }
-<a class="jxr_linenumber" name="324" href="#324">324</a> }
-<a class="jxr_linenumber" name="325" href="#325">325</a>
-<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="327" href="#327">327</a> <em class="jxr_javadoccomment"> * Set the list of regions that will be reopened</em>
-<a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_javadoccomment"> * because of an update in table schema</em>
-<a class="jxr_linenumber" name="329" href="#329">329</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment"> * @param regions</em>
-<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment"> * list of regions that should be tracked for reopen</em>
-<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="333" href="#333">333</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setRegionsToReopen(List <HRegionInfo> regions) {
-<a class="jxr_linenumber" name="334" href="#334">334</a> <strong class="jxr_keyword">for</strong>(<a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri : regions) {
-<a class="jxr_linenumber" name="335" href="#335">335</a> regionsToReopen.put(hri.getEncodedName(), hri);
-<a class="jxr_linenumber" name="336" href="#336">336</a> }
-<a class="jxr_linenumber" name="337" href="#337">337</a> }
-<a class="jxr_linenumber" name="338" href="#338">338</a>
-<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_javadoccomment"> * Used by the client to identify if all regions have the schema updates</em>
-<a class="jxr_linenumber" name="341" href="#341">341</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="342" href="#342">342</a> <em class="jxr_javadoccomment"> * @param tableName</em>
-<a class="jxr_linenumber" name="343" href="#343">343</a> <em class="jxr_javadoccomment"> * @return Pair indicating the status of the alter command</em>
-<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<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> <strong class="jxr_keyword">public</strong> Pair<Integer, Integer> getReopenStatus(<a href="../../../../../org/apache/hadoop/hbase/TableName.html">TableName</a> tableName)
-<a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="348" href="#348">348</a> List<HRegionInfo> hris;
-<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">if</strong> (TableName.META_TABLE_NAME.equals(tableName)) {
-<a class="jxr_linenumber" name="350" href="#350">350</a> hris = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/MetaTableLocator.html">MetaTableLocator</a>().getMetaRegions(server.getZooKeeper());
-<a class="jxr_linenumber" name="351" href="#351">351</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="352" href="#352">352</a> hris = MetaTableAccessor.getTableRegions(server.getConnection(), tableName, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="353" href="#353">353</a> }
-<a class="jxr_linenumber" name="354" href="#354">354</a>
-<a class="jxr_linenumber" name="355" href="#355">355</a> Integer pending = 0;
-<a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">for</strong> (HRegionInfo hri : hris) {
-<a class="jxr_linenumber" name="357" href="#357">357</a> String name = hri.getEncodedName();
-<a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_comment">// no lock concurrent access ok: sequential consistency respected.</em>
-<a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">if</strong> (regionsToReopen.containsKey(name)
-<a class="jxr_linenumber" name="360" href="#360">360</a> || regionStates.isRegionInTransition(name)) {
-<a class="jxr_linenumber" name="361" href="#361">361</a> pending++;
-<a class="jxr_linenumber" name="362" href="#362">362</a> }
-<a class="jxr_linenumber" name="363" href="#363">363</a> }
-<a class="jxr_linenumber" name="364" href="#364">364</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Pair<Integer, Integer>(pending, hris.size());
-<a class="jxr_linenumber" name="365" href="#365">365</a> }
-<a class="jxr_linenumber" name="366" href="#366">366</a>
-<a class="jxr_linenumber" name="367" href="#367">367</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="368" href="#368">368</a> <em class="jxr_javadoccomment"> * Used by ServerShutdownHandler to make sure AssignmentManager has completed</em>
-<a class="jxr_linenumber" name="369" href="#369">369</a> <em class="jxr_javadoccomment"> * the failover cleanup before re-assigning regions of dead servers. So that</em>
-<a class="jxr_linenumber" name="370" href="#370">370</a> <em class="jxr_javadoccomment"> * when re-assignment happens, AssignmentManager has proper region states.</em>
-<a class="jxr_linenumber" name="371" href="#371">371</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="372" href="#372">372</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isFailoverCleanupDone() {
-<a class="jxr_linenumber" name="373" href="#373">373</a> <strong class="jxr_keyword">return</strong> failoverCleanupDone.get();
-<a class="jxr_linenumber" name="374" href="#374">374</a> }
-<a class="jxr_linenumber" name="375" href="#375">375</a>
-<a class="jxr_linenumber" name="376" href="#376">376</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_javadoccomment"> * To avoid racing with AM, external entities may need to lock a region,</em>
-<a class="jxr_linenumber" name="378" href="#378">378</a> <em class="jxr_javadoccomment"> * for example, when SSH checks what regions to skip re-assigning.</em>
-<a class="jxr_linenumber" name="379" href="#379">379</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="380" href="#380">380</a> <strong class="jxr_keyword">public</strong> Lock acquireRegionLock(<strong class="jxr_keyword">final</strong> String encodedName) {
-<a class="jxr_linenumber" name="381" href="#381">381</a> <strong class="jxr_keyword">return</strong> locker.acquireLock(encodedName);
-<a class="jxr_linenumber" name="382" href="#382">382</a> }
-<a class="jxr_linenumber" name="383" href="#383">383</a>
-<a class="jxr_linenumber" name="384" href="#384">384</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="385" href="#385">385</a> <em class="jxr_javadoccomment"> * Now, failover cleanup is completed. Notify server manager to</em>
-<a class="jxr_linenumber" name="386" href="#386">386</a> <em class="jxr_javadoccomment"> * process queued up dead servers processing, if any.</em>
-<a class="jxr_linenumber" name="387" href="#387">387</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">void</strong> failoverCleanupDone() {
-<a class="jxr_linenumber" name="389" href="#389">389</a> failoverCleanupDone.set(<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="390" href="#390">390</a> serverManager.processQueuedDeadServers();
-<a class="jxr_linenumber" name="391" href="#391">391</a> }
-<a class="jxr_linenumber" name="392" href="#392">392</a>
-<a class="jxr_linenumber" name="393" href="#393">393</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment"> * Called on startup.</em>
-<a class="jxr_linenumber" name="395" href="#395">395</a> <em class="jxr_javadoccomment"> * Figures whether a fresh cluster start of we are joining extant running cluster.</em>
-<a class="jxr_linenumber" name="396" href="#396">396</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<a class="jxr_linenumber" name="397" href="#397">397</a> <em class="jxr_javadoccomment"> * @throws KeeperException</em>
-<a class="jxr_linenumber" name="398" href="#398">398</a> <em class="jxr_javadoccomment"> * @throws InterruptedException</em>
-<a class="jxr_linenumber" name="399" href="#399">399</a> <em class="jxr_javadoccomment"> * @throws CoordinatedStateException</em>
-<a class="jxr_linenumber" name="400" href="#400">400</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">void</strong> joinCluster()
-<a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">throws</strong> IOException, KeeperException, InterruptedException, <a href="../../../../../org/apache/hadoop/hbase/CoordinatedStateException.html">CoordinatedStateException</a> {
-<a class="jxr_linenumber" name="403" href="#403">403</a> <strong class="jxr_keyword">long</strong> startTime = System.currentTimeMillis();
-<a class="jxr_linenumber" name="404" href="#404">404</a> <em class="jxr_comment">// Concurrency note: In the below the accesses on regionsInTransition are</em>
-<a class="jxr_linenumber" name="405" href="#405">405</a> <em class="jxr_comment">// outside of a synchronization block where usually all accesses to RIT are</em>
-<a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_comment">// synchronized. The presumption is that in this case it is safe since this</em>
-<a class="jxr_linenumber" name="407" href="#407">407</a> <em class="jxr_comment">// method is being played by a single thread on startup.</em>
-<a class="jxr_linenumber" name="408" href="#408">408</a>
-<a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_comment">// TODO: Regions that have a null location and are not in regionsInTransitions</em>
-<a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_comment">// need to be handled.</em>
-<a class="jxr_linenumber" name="411" href="#411">411</a>
-<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_comment">// Scan hbase:meta to build list of existing regions, servers, and assignment</em>
-<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_comment">// Returns servers who have not checked in (assumed dead) that some regions</em>
-<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_comment">// were assigned to (according to the meta)</em>
-<a class="jxr_linenumber" name="415" href="#415">415</a> Set<ServerName> deadServers = rebuildUserRegions();
-<a class="jxr_linenumber" name="416" href="#416">416</a>
-<a class="jxr_linenumber" name="417" href="#417">417</a> <em class="jxr_comment">// This method will assign all user regions if a clean server startup or</em>
-<a class="jxr_linenumber" name="418" href="#418">418</a> <em class="jxr_comment">// it will reconstruct master state and cleanup any leftovers from previous master process.</em>
-<a class="jxr_linenumber" name="419" href="#419">419</a> <strong class="jxr_keyword">boolean</strong> failover = processDeadServersAndRegionsInTransition(deadServers);
-<a class="jxr_linenumber" name="420" href="#420">420</a>
-<a class="jxr_linenumber" name="421" href="#421">421</a> recoverTableInDisablingState();
-<a class="jxr_linenumber" name="422" href="#422">422</a> recoverTableInEnablingState();
-<a class="jxr_linenumber" name="423" href="#423">423</a> LOG.info(<span class="jxr_string">"Joined the cluster in "</span> + (System.currentTimeMillis()
-<a class="jxr_linenumber" name="424" href="#424">424</a> - startTime) + <span class="jxr_string">"ms, failover="</span> + failover);
-<a class="jxr_linenumber" name="425" href="#425">425</a> }
-<a class="jxr_linenumber" name="426" href="#426">426</a>
-<a class="jxr_linenumber" name="427" href="#427">427</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="428" href="#428">428</a> <em class="jxr_javadoccomment"> * Process all regions that are in transition in zookeeper and also</em>
-<a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_javadoccomment"> * processes the list of dead servers.</em>
-<a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_javadoccomment"> * Used by master joining an cluster. If we figure this is a clean cluster</em>
-<a class="jxr_linenumber" name="431" href="#431">431</a> <em class="jxr_javadoccomment"> * startup, will assign all user regions.</em>
-<a class="jxr_linenumber" name="432" href="#432">432</a> <em class="jxr_javadoccomment"> * @param deadServers Set of servers that are offline probably legitimately that were carrying</em>
-<a class="jxr_linenumber" name="433" href="#433">433</a> <em class="jxr_javadoccomment"> * regions according to a scan of hbase:meta. Can be null.</em>
-<a class="jxr_linenumber" name="434" href="#434">434</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<a class="jxr_linenumber" name="435" href="#435">435</a> <em class="jxr_javadoccomment"> * @throws InterruptedException</em>
-<a class="jxr_linenumber" name="436" href="#436">436</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">boolean</strong> processDeadServersAndRegionsInTransition(<strong class="jxr_keyword">final</strong> Set<ServerName> deadServers)
-<a class="jxr_linenumber" name="438" href="#438">438</a> <strong class="jxr_keyword">throws</strong> KeeperException, IOException, InterruptedException, <a href="../../../../../org/apache/hadoop/hbase/CoordinatedStateException.html">CoordinatedStateException</a> {
-<a class="jxr_linenumber" name="439" href="#439">439</a> <em class="jxr_comment">// TODO Needed? List<String> nodes = ZKUtil.listChildrenNoWatch(watcher, watcher.assignmentZNode);</em>
-<a class="jxr_linenumber" name="440" href="#440">440</a> <strong class="jxr_keyword">boolean</strong> failover = !serverManager.getDeadServers().isEmpty();
-<a class="jxr_linenumber" name="441" href="#441">441</a> <strong class="jxr_keyword">if</strong> (failover) {
-<a class="jxr_linenumber" name="442" href="#442">442</a> <em class="jxr_comment">// This may not be a failover actually, especially if meta is on this master.</em>
-<a class="jxr_linenumber" name="443" href="#443">443</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) {
-<a class="jxr_linenumber" name="444" href="#444">444</a> LOG.debug(<span class="jxr_string">"Found dead servers out on cluster "</span> + serverManager.getDeadServers());
-<a class="jxr_linenumber" name="445" href="#445">445</a> }
-<a class="jxr_linenumber" name="446" href="#446">446</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="447" href="#447">447</a> <em class="jxr_comment">// If any one region except meta is assigned, it's a failover.</em>
-<a class="jxr_linenumber" name="448" href="#448">448</a> Set<ServerName> onlineServers = serverManager.getOnlineServers().keySet();
-<a class="jxr_linenumber" name="449" href="#449">449</a> <strong class="jxr_keyword">for</strong> (Map.Entry<HRegionInfo, ServerName> en:
-<a class="jxr_linenumber" name="450" href="#450">450</a> regionStates.getRegionAssignments().entrySet()) {
-<a class="jxr_linenumber" name="451" href="#451">451</a> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri = en.getKey();
-<a class="jxr_linenumber" name="452" href="#452">452</a> <strong class="jxr_keyword">if</strong> (!hri.isMetaTable()
-<a class="jxr_linenumber" name="453" href="#453">453</a> && onlineServers.contains(en.getValue())) {
-<a class="jxr_linenumber" name="454" href="#454">454</a> LOG.debug(<span class="jxr_string">"Found "</span> + hri + <span class="jxr_string">" out on cluster"</span>);
-<a class="jxr_linenumber" name="455" href="#455">455</a> failover = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="456" href="#456">456</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="457" href="#457">457</a> }
-<a class="jxr_linenumber" name="458" href="#458">458</a> }
-<a class="jxr_linenumber" name="459" href="#459">459</a> <strong class="jxr_keyword">if</strong> (!failover) {
-<a class="jxr_linenumber" name="460" href="#460">460</a> <em class="jxr_comment">// If any region except meta is in transition on a live server, it's a failover.</em>
-<a class="jxr_linenumber" name="461" href="#461">461</a> Map<String, RegionState> regionsInTransition = regionStates.getRegionsInTransition();
-<a class="jxr_linenumber" name="462" href="#462">462</a> <strong class="jxr_keyword">if</strong> (!regionsInTransition.isEmpty()) {
-<a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">for</strong> (RegionState regionState: regionsInTransition.values()) {
-<a class="jxr_linenumber" name="464" href="#464">464</a> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> serverName = regionState.getServerName();
-<a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">if</strong> (!regionState.getRegion().isMetaRegion()
-<a class="jxr_linenumber" name="466" href="#466">466</a> && serverName != <strong class="jxr_keyword">null</strong> && onlineServers.contains(serverName)) {
-<a class="jxr_linenumber" name="467" href="#467">467</a> LOG.debug(<span class="jxr_string">"Found "</span> + regionState + <span class="jxr_string">" in RITs"</span>);
-<a class="jxr_linenumber" name="468" href="#468">468</a> failover = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="469" href="#469">469</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="470" href="#470">470</a> }
-<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> }
-<a class="jxr_linenumber" name="474" href="#474">474</a> }
-<a class="jxr_linenumber" name="475" href="#475">475</a> <strong class="jxr_keyword">if</strong> (!failover) {
-<a class="jxr_linenumber" name="476" href="#476">476</a> <em class="jxr_comment">// If we get here, we have a full cluster restart. It is a failover only</em>
-<a class="jxr_linenumber" name="477" href="#477">477</a> <em class="jxr_comment">// if there are some WALs are not split yet. For meta WALs, they should have</em>
-<a class="jxr_linenumber" name="478" href="#478">478</a> <em class="jxr_comment">// been split already, if any. We can walk through those queued dead servers,</em>
-<a class="jxr_linenumber" name="479" href="#479">479</a> <em class="jxr_comment">// if they don't have any WALs, this restart should be considered as a clean one</em>
-<a class="jxr_linenumber" name="480" href="#480">480</a> Set<ServerName> queuedDeadServers = serverManager.getRequeuedDeadServers().keySet();
-<a class="jxr_linenumber" name="481" href="#481">481</a> <strong class="jxr_keyword">if</strong> (!queuedDeadServers.isEmpty()) {
-<a class="jxr_linenumber" name="482" href="#482">482</a> Configuration conf = server.getConfiguration();
-<a class="jxr_linenumber" name="483" href="#483">483</a> Path rootdir = FSUtils.getRootDir(conf);
-<a class="jxr_linenumber" name="484" href="#484">484</a> FileSystem fs = rootdir.getFileSystem(conf);
-<a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">for</strong> (ServerName serverName: queuedDeadServers) {
-<a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_comment">// In the case of a clean exit, the shutdown handler would have presplit any WALs and</em>
-<a class="jxr_linenumber" name="487" href="#487">487</a> <em class="jxr_comment">// removed empty directories.</em>
-<a class="jxr_linenumber" name="488" href="#488">488</a> Path logDir = <strong class="jxr_keyword">new</strong> Path(rootdir,
-<a class="jxr_linenumber" name="489" href="#489">489</a> DefaultWALProvider.getWALDirectoryName(serverName.toString()));
-<a class="jxr_linenumber" name="490" href="#490">490</a> Path splitDir = logDir.suffix(DefaultWALProvider.SPLITTING_EXT);
-<a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">if</strong> (fs.exists(logDir) || fs.exists(splitDir)) {
-<a class="jxr_linenumber" name="492" href="#492">492</a> LOG.debug(<span class="jxr_string">"Found queued dead server "</span> + serverName);
-<a class="jxr_linenumber" name="493" href="#493">493</a> failover = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="495" href="#495">495</a> }
-<a class="jxr_linenumber" name="496" href="#496">496</a> }
-<a class="jxr_linenumber" name="497" href="#497">497</a> <strong class="jxr_keyword">if</strong> (!failover) {
-<a class="jxr_linenumber" name="498" href="#498">498</a> <em class="jxr_comment">// We figured that it's not a failover, so no need to</em>
-<a class="jxr_linenumber" name="499" href="#499">499</a> <em class="jxr_comment">// work on these re-queued dead servers any more.</em>
-<a class="jxr_linenumber" name="500" href="#500">500</a> LOG.info(<span class="jxr_string">"AM figured that it's not a failover and cleaned up "</span>
-<a class="jxr_linenumber" name="501" href="#501">501</a> + queuedDeadServers.size() + <span class="jxr_string">" queued dead servers"</span>);
-<a class="jxr_linenumber" name="502" href="#502">502</a> serverManager.removeRequeuedDeadServers();
-<a class="jxr_linenumber" name="503" href="#503">503</a> }
-<a class="jxr_linenumber" name="504" href="#504">504</a> }
-<a class="jxr_linenumber" name="505" href="#505">505</a> }
-<a class="jxr_linenumber" name="506" href="#506">506</a>
-<a class="jxr_linenumber" name="507" href="#507">507</a> Set<TableName> disabledOrDisablingOrEnabling = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="508" href="#508">508</a> Map<HRegionInfo, ServerName> allRegions = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="509" href="#509">509</a>
-<a class="jxr_linenumber" name="510" href="#510">510</a> <strong class="jxr_keyword">if</strong> (!failover) {
-<a class="jxr_linenumber" name="511" href="#511">511</a> disabledOrDisablingOrEnabling = tableStateManager.getTablesInStates(
-<a class="jxr_linenumber" name="512" href="#512">512</a> TableState.State.DISABLED, TableState.State.DISABLING,
-<a class="jxr_linenumber" name="513" href="#513">513</a> TableState.State.ENABLING);
-<a class="jxr_linenumber" name="514" href="#514">514</a>
-<a class="jxr_linenumber" name="515" href="#515">515</a> <em class="jxr_comment">// Clean re/start, mark all user regions closed before reassignment</em>
-<a class="jxr_linenumber" name="516" href="#516">516</a> allRegions = regionStates.closeAllUserRegions(
-<a class="jxr_linenumber" name="517" href="#517">517</a> disabledOrDisablingOrEnabling);
+<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> com.google.common.annotations.VisibleForTesting;
+<a class="jxr_linenumber" name="22" href="#22">22</a>
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.Collection;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Collections;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.HashSet;
+<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;
+<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.NavigableMap;
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.Random;
+<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.util.Set;
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.util.TreeMap;
+<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Callable;
+<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap;
+<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.CopyOnWriteArrayList;
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicBoolean;
+<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicInteger;
+<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.locks.Lock;
+<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.locks.ReentrantLock;
+<a class="jxr_linenumber" name="44" href="#44">44</a>
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
+<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.classification.InterfaceAudience;
+<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
+<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.FileStatus;
+<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.FileSystem;
+<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.fs.Path;
+<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.CoordinatedStateException;
+<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HBaseIOException;
+<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HConstants;
+<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HRegionInfo;
+<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HRegionLocation;
+<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HTableDescriptor;
+<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.MetaTableAccessor;
+<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.NotServingRegionException;
+<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.RegionLocations;
+<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.RegionStateListener;
+<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ServerName;
+<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableName;
+<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableNotFoundException;
+<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.RegionReplicaUtil;
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Result;
+<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.TableState;
+<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.executor.EventHandler;
+<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.executor.EventType;
+<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.executor.ExecutorService;
+<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ipc.FailedServerException;
+<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ipc.RpcClient;
+<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;
+<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.RegionState.State;
+<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.balancer.FavoredNodeAssignmentHelper;
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.balancer.FavoredNodeLoadBalancer;
+<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.handler.DisableTableHandler;
+<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.handler.EnableTableHandler;
+<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.normalizer.NormalizationPlan.PlanType;
+<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition;
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.quotas.QuotaExceededException;
+<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionOpeningState;
+<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionServerAbortedException;
+<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.wal.DefaultWALProvider;
+<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
+<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.FSUtils;
+<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.KeyLocker;
+<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair;
+<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.PairOfSameType;
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Threads;
+<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.MetaTableLocator;
+<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.ipc.RemoteException;
+<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.util.StringUtils;
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
+<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"> * Manages and performs region assignment.</em>
+<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * Related communications with regionserver are all done over RPC.</em>
+<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="102" href="#102">102</a> @InterfaceAudience.Private
+<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/AssignmentManager.html">AssignmentManager</a> {
+<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(AssignmentManager.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="105" href="#105">105</a>
+<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html">MasterServices</a> server;
+<a class="jxr_linenumber" name="107" href="#107">107</a>
+<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager;
+<a class="jxr_linenumber" name="109" href="#109">109</a>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> shouldAssignRegionsWithFavoredNodes;
+<a class="jxr_linenumber" name="111" href="#111">111</a>
+<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/master/LoadBalancer.html">LoadBalancer</a> balancer;
+<a class="jxr_linenumber" name="113" href="#113">113</a>
+<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MetricsAssignmentManager.html">MetricsAssignmentManager</a> metricsAssignmentManager;
+<a class="jxr_linenumber" name="115" href="#115">115</a>
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableLockManager.html">TableLockManager</a> tableLockManager;
+<a class="jxr_linenumber" name="117" href="#117">117</a>
+<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">private</strong> AtomicInteger numRegionsOpened = <strong class="jxr_keyword">new</strong> AtomicInteger(0);
+<a class="jxr_linenumber" name="119" href="#119">119</a>
+<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">private</strong> KeyLocker<String> locker = <strong class="jxr_keyword">new</strong> KeyLocker<String>();
+<a class="jxr_linenumber" name="121" href="#121">121</a>
+<a class="jxr_linenumber" name="122" href="#122">122</a> Set<HRegionInfo> replicasToClose = Collections.synchronizedSet(<strong class="jxr_keyword">new</strong> HashSet<HRegionInfo>());
+<a class="jxr_linenumber" name="123" href="#123">123</a>
+<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * Map of regions to reopen after the schema of a table is changed. Key -</em>
+<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * encoded region name, value - HRegionInfo</em>
+<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map <String, HRegionInfo> regionsToReopen;
+<a class="jxr_linenumber" name="129" href="#129">129</a>
+<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_comment"> * Maximum times we recurse an assignment/unassignment.</em>
+<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_comment"> * See below in {@link #assign()} and {@link #unassign()}.</em>
+<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maximumAttempts;
+<a class="jxr_linenumber" name="135" href="#135">135</a>
+<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * The sleep time for which the assignment will wait before retrying in case of</em>
+<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * hbase:meta assignment failure due to lack of availability of region plan or bad region plan</em>
+<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> sleepTimeBeforeRetryingMetaAssignment;
+<a class="jxr_linenumber" name="141" href="#141">141</a>
+<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Plans for region movement. Key is the encoded version of a region name*/</em>
+<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_comment">// TODO: When do plans get cleaned out? Ever? In server open and in server</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_comment">// shutdown processing -- St.Ack</em>
+<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_comment">// All access to this Map must be synchronized.</em>
+<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">final</strong> NavigableMap<String, RegionPlan> regionPlans =
+<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">new</strong> TreeMap<String, RegionPlan>();
+<a class="jxr_linenumber" name="148" href="#148">148</a>
+<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableStateManager.html">TableStateManager</a> tableStateManager;
+<a class="jxr_linenumber" name="150" href="#150">150</a>
+<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/executor/ExecutorService.html">ExecutorService</a> executorService;
+<a class="jxr_linenumber" name="152" href="#152">152</a>
+<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_comment">// Thread pool executor service. TODO, consolidate with executorService?</em>
+<a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">private</strong> java.util.concurrent.ExecutorService threadPoolExecutorService;
+<a class="jxr_linenumber" name="155" href="#155">155</a>
+<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a> regionStates;
+<a class="jxr_linenumber" name="157" href="#157">157</a>
+<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_comment">// The threshold to use bulk assigning. Using bulk assignment</em>
+<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_comment">// only if assigning at least this many regions to at least this</em>
+<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_comment">// many servers. If assigning fewer regions to fewer servers,</em>
+<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_comment">// bulk assigning may be not as efficient.</em>
+<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bulkAssignThresholdRegions;
+<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bulkAssignThresholdServers;
+<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> bulkPerRegionOpenTimeGuesstimate;
+<a class="jxr_linenumber" name="165" href="#165">165</a>
+<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_comment">// Should bulk assignment wait till all regions are assigned,</em>
+<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_comment">// or it is timed out? This is useful to measure bulk assignment</em>
+<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_comment">// performance, but not needed in most use cases.</em>
+<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> bulkAssignWaitTillAllAssigned;
+<a class="jxr_linenumber" name="170" href="#170">170</a>
+<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * Indicator that A
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