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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/16 18:29:09 UTC
[06/37] hbase-site git commit: Published site at
7063562bf1c0bfcc5efa791b8536a298edab8fcb.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6a178a98/xref/org/apache/hadoop/hbase/master/RegionStates.html
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diff --git a/xref/org/apache/hadoop/hbase/master/RegionStates.html b/xref/org/apache/hadoop/hbase/master/RegionStates.html
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@@ -33,1101 +33,1127 @@
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.HashSet;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.Map;
-<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.Set;
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.TreeMap;
-<a class="jxr_linenumber" name="30" href="#30">30</a>
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> com.google.common.annotations.VisibleForTesting;
-<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Preconditions;
-<a class="jxr_linenumber" name="33" href="#33">33</a>
-<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
-<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
-<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.classification.InterfaceAudience;
-<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
-<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HConstants;
-<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HRegionInfo;
-<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HTableDescriptor;
-<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.MetaTableAccessor;
-<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ServerLoad;
-<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ServerName;
-<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableName;
-<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.RegionReplicaUtil;
-<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.RegionState.State;
-<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.TableState;
-<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
-<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.FSUtils;
-<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair;
-<a class="jxr_linenumber" name="51" href="#51">51</a>
-<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * Region state accountant. It holds the states of all regions in the memory.</em>
-<a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * In normal scenario, it should match the meta table and the true region states.</em>
-<a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * This map is used by AssignmentManager to track region states.</em>
-<a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="58" href="#58">58</a> @InterfaceAudience.Private
-<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a> {
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(RegionStates.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="61" href="#61">61</a>
-<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * Regions currently in transition.</em>
-<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">final</strong> HashMap<String, RegionState> regionsInTransition =
-<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">new</strong> HashMap<String, RegionState>();
-<a class="jxr_linenumber" name="67" href="#67">67</a>
-<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> * Region encoded name to state map.</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * All the regions should be in this map.</em>
-<a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<String, RegionState> regionStates =
-<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">new</strong> HashMap<String, RegionState>();
-<a class="jxr_linenumber" name="74" href="#74">74</a>
-<a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * Holds mapping of table -> region state</em>
-<a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<TableName, Map<String, RegionState>> regionStatesTableIndex =
-<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">new</strong> HashMap<TableName, Map<String, RegionState>>();
-<a class="jxr_linenumber" name="80" href="#80">80</a>
-<a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * Server to regions assignment map.</em>
-<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * Contains the set of regions currently assigned to a given server.</em>
-<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<ServerName, Set<HRegionInfo>> serverHoldings =
-<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">new</strong> HashMap<ServerName, Set<HRegionInfo>>();
-<a class="jxr_linenumber" name="87" href="#87">87</a>
-<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * Maintains the mapping from the default region to the replica regions.</em>
-<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<HRegionInfo, Set<HRegionInfo>> defaultReplicaToOtherReplicas =
-<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">new</strong> HashMap<HRegionInfo, Set<HRegionInfo>>();
-<a class="jxr_linenumber" name="93" href="#93">93</a>
-<a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Region to server assignment map.</em>
-<a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * Contains the server a given region is currently assigned to.</em>
-<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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> TreeMap<HRegionInfo, ServerName> regionAssignments =
-<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">new</strong> TreeMap<HRegionInfo, ServerName>();
-<a class="jxr_linenumber" name="100" href="#100">100</a>
-<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> <em class="jxr_javadoccomment"> * Encoded region name to server assignment map for re-assignment</em>
-<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * purpose. Contains the server a given region is last known assigned</em>
-<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * to, which has not completed log splitting, so not assignable.</em>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * If a region is currently assigned, this server info in this</em>
-<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * map should be the same as that in regionAssignments.</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * However the info in regionAssignments is cleared when the region</em>
-<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * is offline while the info in lastAssignments is cleared when</em>
-<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * the region is closed or the server is dead and processed.</em>
-<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<String, ServerName> lastAssignments =
-<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">new</strong> HashMap<String, ServerName>();
-<a class="jxr_linenumber" name="113" href="#113">113</a>
-<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * Encoded region name to server assignment map for the</em>
-<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> * purpose to clean up serverHoldings when a region is online</em>
-<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * on a new server. When the region is offline from the previous</em>
-<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> * server, we cleaned up regionAssignments so that it has the</em>
-<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * latest assignment map. But we didn't clean up serverHoldings</em>
-<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * to match the meta. We need this map to find out the old server</em>
-<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * whose serverHoldings needs cleanup, given a moved region.</em>
-<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<String, ServerName> oldAssignments =
-<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">new</strong> HashMap<String, ServerName>();
-<a class="jxr_linenumber" name="125" href="#125">125</a>
-<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> <em class="jxr_javadoccomment"> * Map a host port pair string to the latest start code</em>
-<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> * of a region server which is known to be dead. It is dead</em>
-<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment"> * to us, but server manager may not know it yet.</em>
-<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<String, Long> deadServers =
-<a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">new</strong> HashMap<String, Long>();
-<a class="jxr_linenumber" name="133" href="#133">133</a>
-<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * Map a dead servers to the time when log split is done.</em>
-<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * Since log splitting is not ordered, we have to remember</em>
-<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * all processed instances. The map is cleaned up based</em>
-<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * on a configured time. By default, we assume a dead</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * server should be done with log splitting in two hours.</em>
-<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<ServerName, Long> processedServers =
-<a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">new</strong> HashMap<ServerName, Long>();
-<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> lastProcessedServerCleanTime;
-<a class="jxr_linenumber" name="144" href="#144">144</a>
-<a class="jxr_linenumber" name="145" href="#145">145</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="146" href="#146">146</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="147" href="#147">147</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager;
-<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/MasterServices.html">MasterServices</a> server;
-<a class="jxr_linenumber" name="149" href="#149">149</a>
-<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_comment">// The maximum time to keep a log split info in region states map</em>
-<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String LOG_SPLIT_TIME = <span class="jxr_string">"hbase.master.maximum.logsplit.keeptime"</span>;
-<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> DEFAULT_LOG_SPLIT_TIME = 7200000L; <em class="jxr_comment">// 2 hours</em>
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.LinkedHashMap;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.LinkedList;
+<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.Set;
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.Collections;
+<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.Comparator;
+<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>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> com.google.common.annotations.VisibleForTesting;
+<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Preconditions;
+<a class="jxr_linenumber" name="37" href="#37">37</a>
+<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.classification.InterfaceAudience;
+<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.hbase.HConstants;
+<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HRegionInfo;
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HTableDescriptor;
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.MetaTableAccessor;
+<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ServerLoad;
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ServerName;
+<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableName;
+<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.RegionReplicaUtil;
+<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.master.RegionState.State;
+<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.TableState;
+<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
+<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.FSUtils;
+<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair;
+<a class="jxr_linenumber" name="55" href="#55">55</a>
+<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * Region state accountant. It holds the states of all regions in the memory.</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * In normal scenario, it should match the meta table and the true region states.</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * This map is used by AssignmentManager to track region states.</em>
+<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="62" href="#62">62</a> @InterfaceAudience.Private
+<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a> {
+<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(RegionStates.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="65" href="#65">65</a>
+<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * Regions currently in transition.</em>
+<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">final</strong> HashMap<String, RegionState> regionsInTransition =
+<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">new</strong> HashMap<String, RegionState>();
+<a class="jxr_linenumber" name="71" href="#71">71</a>
+<a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * Region encoded name to state map.</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * All the regions should be in this map.</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<String, RegionState> regionStates =
+<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">new</strong> HashMap<String, RegionState>();
+<a class="jxr_linenumber" name="78" href="#78">78</a>
+<a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * Holds mapping of table -> region state</em>
+<a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<TableName, Map<String, RegionState>> regionStatesTableIndex =
+<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">new</strong> HashMap<TableName, Map<String, RegionState>>();
+<a class="jxr_linenumber" name="84" href="#84">84</a>
+<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * Server to regions assignment map.</em>
+<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * Contains the set of regions currently assigned to a given server.</em>
+<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<ServerName, Set<HRegionInfo>> serverHoldings =
+<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">new</strong> HashMap<ServerName, Set<HRegionInfo>>();
+<a class="jxr_linenumber" name="91" href="#91">91</a>
+<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_javadoccomment"> * Maintains the mapping from the default region to the replica regions.</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<HRegionInfo, Set<HRegionInfo>> defaultReplicaToOtherReplicas =
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">new</strong> HashMap<HRegionInfo, Set<HRegionInfo>>();
+<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"> * Region to server assignment map.</em>
+<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * Contains the server a given region is currently assigned to.</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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> TreeMap<HRegionInfo, ServerName> regionAssignments =
+<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">new</strong> TreeMap<HRegionInfo, ServerName>();
+<a class="jxr_linenumber" name="104" href="#104">104</a>
+<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * Encoded region name to server assignment map for re-assignment</em>
+<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * purpose. Contains the server a given region is last known assigned</em>
+<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * to, which has not completed log splitting, so not assignable.</em>
+<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * If a region is currently assigned, this server info in this</em>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * map should be the same as that in regionAssignments.</em>
+<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * However the info in regionAssignments is cleared when the region</em>
+<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * is offline while the info in lastAssignments is cleared when</em>
+<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * the region is closed or the server is dead and processed.</em>
+<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<String, ServerName> lastAssignments =
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">new</strong> HashMap<String, ServerName>();
+<a class="jxr_linenumber" name="117" href="#117">117</a>
+<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * Encoded region name to server assignment map for the</em>
+<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * purpose to clean up serverHoldings when a region is online</em>
+<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * on a new server. When the region is offline from the previous</em>
+<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * server, we cleaned up regionAssignments so that it has the</em>
+<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> * latest assignment map. But we didn't clean up serverHoldings</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * to match the meta. We need this map to find out the old server</em>
+<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * whose serverHoldings needs cleanup, given a moved region.</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> HashMap<String, ServerName> oldAssignments =
+<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">new</strong> HashMap<String, ServerName>();
+<a class="jxr_linenumber" name="129" href="#129">129</a>
+<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> * Map a host port pair string to the latest start code</em>
+<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * of a region server which is known to be dead. It is dead</em>
+<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * to us, but server manager may not know it yet.</em>
+<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<String, Long> deadServers =
+<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">new</strong> HashMap<String, Long>();
+<a class="jxr_linenumber" name="137" href="#137">137</a>
+<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> <em class="jxr_javadoccomment"> * Map a dead servers to the time when log split is done.</em>
+<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * Since log splitting is not ordered, we have to remember</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * all processed instances. The map is cleaned up based</em>
+<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment"> * on a configured time. By default, we assume a dead</em>
+<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * server should be done with log splitting in two hours.</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HashMap<ServerName, Long> processedServers =
+<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">new</strong> HashMap<ServerName, Long>();
+<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> lastProcessedServerCleanTime;
+<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> <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="151" href="#151">151</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager;
+<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html">MasterServices</a> server;
<a class="jxr_linenumber" name="153" href="#153">153</a>
-<a class="jxr_linenumber" name="154" href="#154">154</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html">MasterServices</a> master, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableStateManager.html">TableStateManager</a> tableStateManager,
-<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStateStore.html">RegionStateStore</a> regionStateStore) {
-<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">this</strong>.tableStateManager = tableStateManager;
-<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">this</strong>.regionStateStore = regionStateStore;
-<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">this</strong>.serverManager = serverManager;
-<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">this</strong>.server = master;
-<a class="jxr_linenumber" name="160" href="#160">160</a> }
-<a class="jxr_linenumber" name="161" href="#161">161</a>
-<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment"> * @return a copy of the region assignment map</em>
-<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> Map<HRegionInfo, ServerName> getRegionAssignments() {
-<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> TreeMap<HRegionInfo, ServerName>(regionAssignments);
-<a class="jxr_linenumber" name="167" href="#167">167</a> }
-<a class="jxr_linenumber" name="168" href="#168">168</a>
-<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * Return the replicas (including default) for the regions grouped by ServerName</em>
-<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * @param regions</em>
-<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * @return a pair containing the groupings as a map</em>
-<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="174" href="#174">174</a> <strong class="jxr_keyword">synchronized</strong> Map<ServerName, List<HRegionInfo>> getRegionAssignments(
-<a class="jxr_linenumber" name="175" href="#175">175</a> Collection<HRegionInfo> regions) {
-<a class="jxr_linenumber" name="176" href="#176">176</a> Map<ServerName, List<HRegionInfo>> map = <strong class="jxr_keyword">new</strong> HashMap<ServerName, List<HRegionInfo>>();
-<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">for</strong> (HRegionInfo region : regions) {
-<a class="jxr_linenumber" name="178" href="#178">178</a> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> defaultReplica = RegionReplicaUtil.getRegionInfoForDefaultReplica(region);
-<a class="jxr_linenumber" name="179" href="#179">179</a> Set<HRegionInfo> allReplicas = defaultReplicaToOtherReplicas.get(defaultReplica);
-<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">if</strong> (allReplicas != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">for</strong> (HRegionInfo hri : allReplicas) {
-<a class="jxr_linenumber" name="182" href="#182">182</a> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> server = regionAssignments.get(hri);
-<a class="jxr_linenumber" name="183" href="#183">183</a> <strong class="jxr_keyword">if</strong> (server != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="184" href="#184">184</a> List<HRegionInfo> regionsOnServer = map.get(server);
-<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">if</strong> (regionsOnServer == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="186" href="#186">186</a> regionsOnServer = <strong class="jxr_keyword">new</strong> ArrayList<HRegionInfo>(1);
-<a class="jxr_linenumber" name="187" href="#187">187</a> map.put(server, regionsOnServer);
-<a class="jxr_linenumber" name="188" href="#188">188</a> }
-<a class="jxr_linenumber" name="189" href="#189">189</a> regionsOnServer.add(hri);
-<a class="jxr_linenumber" name="190" href="#190">190</a> }
-<a class="jxr_linenumber" name="191" href="#191">191</a> }
-<a class="jxr_linenumber" name="192" href="#192">192</a> }
-<a class="jxr_linenumber" name="193" href="#193">193</a> }
-<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">return</strong> map;
-<a class="jxr_linenumber" name="195" href="#195">195</a> }
-<a class="jxr_linenumber" name="196" href="#196">196</a>
-<a class="jxr_linenumber" name="197" href="#197">197</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> getRegionServerOfRegion(<a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
-<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">return</strong> regionAssignments.get(hri);
+<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_comment">// The maximum time to keep a log split info in region states map</em>
+<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String LOG_SPLIT_TIME = <span class="jxr_string">"hbase.master.maximum.logsplit.keeptime"</span>;
+<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> DEFAULT_LOG_SPLIT_TIME = 7200000L; <em class="jxr_comment">// 2 hours</em>
+<a class="jxr_linenumber" name="157" href="#157">157</a>
+<a class="jxr_linenumber" name="158" href="#158">158</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStates.html">RegionStates</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/MasterServices.html">MasterServices</a> master, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TableStateManager.html">TableStateManager</a> tableStateManager,
+<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/ServerManager.html">ServerManager</a> serverManager, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionStateStore.html">RegionStateStore</a> regionStateStore) {
+<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">this</strong>.tableStateManager = tableStateManager;
+<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">this</strong>.regionStateStore = regionStateStore;
+<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">this</strong>.serverManager = serverManager;
+<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">this</strong>.server = master;
+<a class="jxr_linenumber" name="164" href="#164">164</a> }
+<a class="jxr_linenumber" name="165" href="#165">165</a>
+<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment"> * @return a copy of the region assignment map</em>
+<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> Map<HRegionInfo, ServerName> getRegionAssignments() {
+<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> TreeMap<HRegionInfo, ServerName>(regionAssignments);
+<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> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * Return the replicas (including default) for the regions grouped by ServerName</em>
+<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * @param regions</em>
+<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * @return a pair containing the groupings as a map</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">synchronized</strong> Map<ServerName, List<HRegionInfo>> getRegionAssignments(
+<a class="jxr_linenumber" name="179" href="#179">179</a> Collection<HRegionInfo> regions) {
+<a class="jxr_linenumber" name="180" href="#180">180</a> Map<ServerName, List<HRegionInfo>> map = <strong class="jxr_keyword">new</strong> HashMap<ServerName, List<HRegionInfo>>();
+<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">for</strong> (HRegionInfo region : regions) {
+<a class="jxr_linenumber" name="182" href="#182">182</a> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> defaultReplica = RegionReplicaUtil.getRegionInfoForDefaultReplica(region);
+<a class="jxr_linenumber" name="183" href="#183">183</a> Set<HRegionInfo> allReplicas = defaultReplicaToOtherReplicas.get(defaultReplica);
+<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">if</strong> (allReplicas != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">for</strong> (HRegionInfo hri : allReplicas) {
+<a class="jxr_linenumber" name="186" href="#186">186</a> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> server = regionAssignments.get(hri);
+<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">if</strong> (server != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="188" href="#188">188</a> List<HRegionInfo> regionsOnServer = map.get(server);
+<a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">if</strong> (regionsOnServer == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="190" href="#190">190</a> regionsOnServer = <strong class="jxr_keyword">new</strong> ArrayList<HRegionInfo>(1);
+<a class="jxr_linenumber" name="191" href="#191">191</a> map.put(server, regionsOnServer);
+<a class="jxr_linenumber" name="192" href="#192">192</a> }
+<a class="jxr_linenumber" name="193" href="#193">193</a> regionsOnServer.add(hri);
+<a class="jxr_linenumber" name="194" href="#194">194</a> }
+<a class="jxr_linenumber" name="195" href="#195">195</a> }
+<a class="jxr_linenumber" name="196" href="#196">196</a> }
+<a class="jxr_linenumber" name="197" href="#197">197</a> }
+<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">return</strong> map;
<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment"> * Get regions in transition and their states</em>
-<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> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
-<a class="jxr_linenumber" name="205" href="#205">205</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> Map<String, RegionState> getRegionsInTransition() {
-<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">return</strong> (Map<String, RegionState>)regionsInTransition.clone();
-<a class="jxr_linenumber" name="207" href="#207">207</a> }
-<a class="jxr_linenumber" name="208" href="#208">208</a>
-<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment"> * @return True if specified region in transition.</em>
-<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionInTransition(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
-<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">return</strong> regionsInTransition.containsKey(hri.getEncodedName());
-<a class="jxr_linenumber" name="214" href="#214">214</a> }
-<a class="jxr_linenumber" name="215" href="#215">215</a>
-<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment"> * @return True if specified region in transition.</em>
-<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionInTransition(<strong class="jxr_keyword">final</strong> String encodedName) {
-<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">return</strong> regionsInTransition.containsKey(encodedName);
-<a class="jxr_linenumber" name="221" href="#221">221</a> }
-<a class="jxr_linenumber" name="222" href="#222">222</a>
-<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment"> * @return True if any region in transition.</em>
-<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="226" href="#226">226</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionsInTransition() {
-<a class="jxr_linenumber" name="227" href="#227">227</a> <strong class="jxr_keyword">return</strong> !regionsInTransition.isEmpty();
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment"> * @return True if hbase:meta table region is in transition.</em>
-<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="233" href="#233">233</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isMetaRegionInTransition() {
-<a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">for</strong> (RegionState state : regionsInTransition.values()) {
-<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">if</strong> (state.getRegion().isMetaRegion()) <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="236" href="#236">236</a> }
-<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="238" href="#238">238</a> }
-<a class="jxr_linenumber" name="239" href="#239">239</a>
-<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment"> * @return True if specified region assigned, and not in transition.</em>
-<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionOnline(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
-<a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">return</strong> !isRegionInTransition(hri) && regionAssignments.containsKey(hri);
-<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"> * @return True if specified region offline/closed, but not in transition.</em>
-<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment"> * If the region is not in the map, it is offline to us too.</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">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionOffline(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
-<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">return</strong> getRegionState(hri) == <strong class="jxr_keyword">null</strong> || (!isRegionInTransition(hri)
-<a class="jxr_linenumber" name="253" href="#253">253</a> && isRegionInState(hri, State.OFFLINE, State.CLOSED));
+<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> getRegionServerOfRegion(<a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
+<a class="jxr_linenumber" name="202" href="#202">202</a> <strong class="jxr_keyword">return</strong> regionAssignments.get(hri);
+<a class="jxr_linenumber" name="203" href="#203">203</a> }
+<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"> * Get regions in transition and their states</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> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> Map<String, RegionState> getRegionsInTransition() {
+<a class="jxr_linenumber" name="210" href="#210">210</a> <strong class="jxr_keyword">return</strong> (Map<String, RegionState>)regionsInTransition.clone();
+<a class="jxr_linenumber" name="211" href="#211">211</a> }
+<a class="jxr_linenumber" name="212" href="#212">212</a>
+<a class="jxr_linenumber" name="213" href="#213">213</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> Map<String, RegionState> getRegionsInTransitionOrderedByTimestamp() {
+<a class="jxr_linenumber" name="215" href="#215">215</a> Map<String, RegionState> rit = (Map<String, RegionState>)regionsInTransition.clone();
+<a class="jxr_linenumber" name="216" href="#216">216</a> List<Map.Entry<String, RegionState>> list = <strong class="jxr_keyword">new</strong> LinkedList<>(rit.entrySet());
+<a class="jxr_linenumber" name="217" href="#217">217</a>
+<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_comment">// Compare the RITs' timestamps for ordering.</em>
+<a class="jxr_linenumber" name="219" href="#219">219</a> Comparator<Map.Entry<String, RegionState>> c =
+<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">new</strong> Comparator<Map.Entry<String, RegionState>>() {
+<a class="jxr_linenumber" name="221" href="#221">221</a> @Override
+<a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(Map.Entry<String, RegionState> o1, Map.Entry<String, RegionState> o2) {
+<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">return</strong> ((Long)o1.getValue().getStamp()).compareTo((Long)o2.getValue().getStamp());
+<a class="jxr_linenumber" name="224" href="#224">224</a> }
+<a class="jxr_linenumber" name="225" href="#225">225</a> };
+<a class="jxr_linenumber" name="226" href="#226">226</a>
+<a class="jxr_linenumber" name="227" href="#227">227</a> Collections.sort(list, c);
+<a class="jxr_linenumber" name="228" href="#228">228</a> Map<String, RegionState> result = <strong class="jxr_keyword">new</strong> LinkedHashMap<>();
+<a class="jxr_linenumber" name="229" href="#229">229</a> <strong class="jxr_keyword">for</strong> (Map.Entry<String, RegionState> entry : list) {
+<a class="jxr_linenumber" name="230" href="#230">230</a> result.put(entry.getKey(), entry.getValue());
+<a class="jxr_linenumber" name="231" href="#231">231</a> }
+<a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="233" href="#233">233</a> }
+<a class="jxr_linenumber" name="234" href="#234">234</a>
+<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> <em class="jxr_javadoccomment"> * @return True if specified region in transition.</em>
+<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionInTransition(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
+<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">return</strong> regionsInTransition.containsKey(hri.getEncodedName());
+<a class="jxr_linenumber" name="240" href="#240">240</a> }
+<a class="jxr_linenumber" name="241" href="#241">241</a>
+<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment"> * @return True if specified region in transition.</em>
+<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionInTransition(<strong class="jxr_keyword">final</strong> String encodedName) {
+<a class="jxr_linenumber" name="246" href="#246">246</a> <strong class="jxr_keyword">return</strong> regionsInTransition.containsKey(encodedName);
+<a class="jxr_linenumber" name="247" href="#247">247</a> }
+<a class="jxr_linenumber" name="248" href="#248">248</a>
+<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> <em class="jxr_javadoccomment"> * @return True if any region in transition.</em>
+<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionsInTransition() {
+<a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">return</strong> !regionsInTransition.isEmpty();
<a class="jxr_linenumber" name="254" href="#254">254</a> }
<a class="jxr_linenumber" name="255" href="#255">255</a>
<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @return True if specified region is in one of the specified states.</em>
+<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @return True if hbase:meta table region is in transition.</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> <strong class="jxr_keyword">boolean</strong> isRegionInState(
-<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri, <strong class="jxr_keyword">final</strong> State... states) {
-<a class="jxr_linenumber" name="261" href="#261">261</a> <strong class="jxr_keyword">return</strong> isRegionInState(hri.getEncodedName(), states);
-<a class="jxr_linenumber" name="262" href="#262">262</a> }
-<a class="jxr_linenumber" name="263" href="#263">263</a>
-<a class="jxr_linenumber" name="264" href="#264">264</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment"> * @return True if specified region is in one of the specified states.</em>
-<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isRegionInState(
-<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">final</strong> String encodedName, <strong class="jxr_keyword">final</strong> State... states) {
-<a class="jxr_linenumber" name="269" href="#269">269</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> regionState = getRegionState(encodedName);
-<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">return</strong> isOneOfStates(regionState, states);
+<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isMetaRegionInTransition() {
+<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">for</strong> (RegionState state : regionsInTransition.values()) {
+<a class="jxr_linenumber" name="261" href="#261">261</a> <strong class="jxr_keyword">if</strong> (state.getRegion().isMetaRegion()) <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="262" href="#262">262</a> }
+<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="264" href="#264">264</a> }
+<a class="jxr_linenumber" name="265" href="#265">265</a>
+<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment"> * @return True if specified region assigned, and not in transition.</em>
+<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">boolean</strong> isRegionOnline(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
+<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">return</strong> !isRegionInTransition(hri) && regionAssignments.containsKey(hri);
<a class="jxr_linenumber" name="271" href="#271">271</a> }
<a class="jxr_linenumber" name="272" href="#272">272</a>
<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment"> * Wait for the state map to be updated by assignment manager.</em>
-<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> waitForUpdate(
-<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> InterruptedException {
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">this</strong>.wait(timeout);
-<a class="jxr_linenumber" name="279" href="#279">279</a> }
-<a class="jxr_linenumber" name="280" href="#280">280</a>
-<a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_javadoccomment"> * Get region transition state</em>
-<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> getRegionTransitionState(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
-<a class="jxr_linenumber" name="285" href="#285">285</a> <strong class="jxr_keyword">return</strong> getRegionTransitionState(hri.getEncodedName());
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment"> * Get region transition state</em>
-<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a>
-<a class="jxr_linenumber" name="292" href="#292">292</a> getRegionTransitionState(<strong class="jxr_keyword">final</strong> String encodedName) {
-<a class="jxr_linenumber" name="293" href="#293">293</a> <strong class="jxr_keyword">return</strong> regionsInTransition.get(encodedName);
-<a class="jxr_linenumber" name="294" href="#294">294</a> }
-<a class="jxr_linenumber" name="295" href="#295">295</a>
-<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> <em class="jxr_javadoccomment"> * Add a list of regions to RegionStates. If a region is split</em>
-<a class="jxr_linenumber" name="298" href="#298">298</a> <em class="jxr_javadoccomment"> * and offline, its state will be SPLIT. Otherwise, its state will</em>
-<a class="jxr_linenumber" name="299" href="#299">299</a> <em class="jxr_javadoccomment"> * be OFFLINE. Region already in RegionStates will be skipped.</em>
-<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="301" href="#301">301</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> createRegionStates(
-<a class="jxr_linenumber" name="302" href="#302">302</a> <strong class="jxr_keyword">final</strong> List<HRegionInfo> hris) {
-<a class="jxr_linenumber" name="303" href="#303">303</a> <strong class="jxr_keyword">for</strong> (HRegionInfo hri: hris) {
-<a class="jxr_linenumber" name="304" href="#304">304</a> createRegionState(hri);
-<a class="jxr_linenumber" name="305" href="#305">305</a> }
-<a class="jxr_linenumber" name="306" href="#306">306</a> }
-<a class="jxr_linenumber" name="307" href="#307">307</a>
-<a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * Add a region to RegionStates. If the region is split</em>
-<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment"> * and offline, its state will be SPLIT. Otherwise, its state will</em>
-<a class="jxr_linenumber" name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * be OFFLINE. If it is already in RegionStates, this call has</em>
-<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * no effect, and the original state is returned.</em>
-<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> createRegionState(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri) {
-<a class="jxr_linenumber" name="315" href="#315">315</a> <strong class="jxr_keyword">return</strong> createRegionState(hri, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="316" href="#316">316</a> }
-<a class="jxr_linenumber" name="317" href="#317">317</a>
-<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment"> * Add a region to RegionStates with the specified state.</em>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment"> * If the region is already in RegionStates, this call has</em>
-<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment"> * no effect, and the original state is returned.</em>
-<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_javadoccomment"> * @param hri the region info to create a state for</em>
-<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_javadoccomment"> * @param newState the state to the region in set to</em>
-<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_javadoccomment"> * @param serverName the server the region is transitioning on</em>
-<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment"> * @param lastHost the last server that hosts the region</em>
-<a class="jxr_linenumber" name="327" href="#327">327</a> <em class="jxr_javadoccomment"> * @return the current state</em>
-<a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> createRegionState(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri,
-<a class="jxr_linenumber" name="330" href="#330">330</a> <a href="../../../../../org/apache/hadoop/hbase/Coprocessor.html">State</a> newState, <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> serverName, <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> lastHost) {
-<a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">if</strong> (newState == <strong class="jxr_keyword">null</strong> || (newState == State.OPEN && serverName == <strong class="jxr_keyword">null</strong>)) {
-<a class="jxr_linenumber" name="332" href="#332">332</a> newState = State.OFFLINE;
-<a class="jxr_linenumber" name="333" href="#333">333</a> }
-<a class="jxr_linenumber" name="334" href="#334">334</a> <strong class="jxr_keyword">if</strong> (hri.isOffline() && hri.isSplit()) {
-<a class="jxr_linenumber" name="335" href="#335">335</a> newState = State.SPLIT;
-<a class="jxr_linenumber" name="336" href="#336">336</a> serverName = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="337" href="#337">337</a> }
-<a class="jxr_linenumber" name="338" href="#338">338</a> String encodedName = hri.getEncodedName();
-<a class="jxr_linenumber" name="339" href="#339">339</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> regionState = regionStates.get(encodedName);
-<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">if</strong> (regionState != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="341" href="#341">341</a> LOG.warn(<span class="jxr_string">"Tried to create a state for a region already in RegionStates, "</span>
-<a class="jxr_linenumber" name="342" href="#342">342</a> + <span class="jxr_string">"used existing: "</span> + regionState + <span class="jxr_string">", ignored new: "</span> + newState);
-<a class="jxr_linenumber" name="343" href="#343">343</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="344" href="#344">344</a> regionState = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a>(hri, newState, serverName);
-<a class="jxr_linenumber" name="345" href="#345">345</a> putRegionState(regionState);
-<a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">if</strong> (newState == State.OPEN) {
-<a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">if</strong> (!serverName.equals(lastHost)) {
-<a class="jxr_linenumber" name="348" href="#348">348</a> LOG.warn(<span class="jxr_string">"Open region's last host "</span> + lastHost
-<a class="jxr_linenumber" name="349" href="#349">349</a> + <span class="jxr_string">" should be the same as the current one "</span> + serverName
-<a class="jxr_linenumber" name="350" href="#350">350</a> + <span class="jxr_string">", ignored the last and used the current one"</span>);
-<a class="jxr_linenumber" name="351" href="#351">351</a> lastHost = serverName;
-<a class="jxr_linenumber" name="352" href="#352">352</a> }
-<a class="jxr_linenumber" name="353" href="#353">353</a> lastAssignments.put(encodedName, lastHost);
-<a class="jxr_linenumber" name="354" href="#354">354</a> regionAssignments.put(hri, lastHost);
-<a class="jxr_linenumber" name="355" href="#355">355</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!isOneOfStates(regionState, State.MERGED, State.SPLIT, State.OFFLINE)) {
-<a class="jxr_linenumber" name="356" href="#356">356</a> regionsInTransition.put(encodedName, regionState);
-<a class="jxr_linenumber" name="357" href="#357">357</a> }
-<a class="jxr_linenumber" name="358" href="#358">358</a> <strong class="jxr_keyword">if</strong> (lastHost != <strong class="jxr_keyword">null</strong> && newState != State.SPLIT) {
-<a class="jxr_linenumber" name="359" href="#359">359</a> addToServerHoldings(lastHost, hri);
-<a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">if</strong> (newState != State.OPEN) {
-<a class="jxr_linenumber" name="361" href="#361">361</a> oldAssignments.put(encodedName, lastHost);
-<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> }
-<a class="jxr_linenumber" name="365" href="#365">365</a> <strong class="jxr_keyword">return</strong> regionState;
-<a class="jxr_linenumber" name="366" href="#366">366</a> }
-<a class="jxr_linenumber" name="367" href="#367">367</a>
-<a class="jxr_linenumber" name="368" href="#368">368</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> putRegionState(<a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> regionState) {
-<a class="jxr_linenumber" name="369" href="#369">369</a> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri = regionState.getRegion();
-<a class="jxr_linenumber" name="370" href="#370">370</a> String encodedName = hri.getEncodedName();
-<a class="jxr_linenumber" name="371" href="#371">371</a> <a href="../../../../../org/apache/hadoop/hbase/TableName.html">TableName</a> table = hri.getTable();
-<a class="jxr_linenumber" name="372" href="#372">372</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> oldState = regionStates.put(encodedName, regionState);
-<a class="jxr_linenumber" name="373" href="#373">373</a> Map<String, RegionState> map = regionStatesTableIndex.get(table);
-<a class="jxr_linenumber" name="374" href="#374">374</a> <strong class="jxr_keyword">if</strong> (map == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="375" href="#375">375</a> map = <strong class="jxr_keyword">new</strong> HashMap<String, RegionState>();
-<a class="jxr_linenumber" name="376" href="#376">376</a> regionStatesTableIndex.put(table, map);
-<a class="jxr_linenumber" name="377" href="#377">377</a> }
-<a class="jxr_linenumber" name="378" href="#378">378</a> map.put(encodedName, regionState);
-<a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">return</strong> oldState;
-<a class="jxr_linenumber" name="380" href="#380">380</a> }
-<a class="jxr_linenumber" name="381" href="#381">381</a>
-<a class="jxr_linenumber" name="382" href="#382">382</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="383" href="#383">383</a> <em class="jxr_javadoccomment"> * Update a region state. It will be put in transition if not already there.</em>
-<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> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> updateRegionState(
-<a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Coprocessor.html">State</a> state) {
-<a class="jxr_linenumber" name="387" href="#387">387</a> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> regionState = getRegionState(hri.getEncodedName());
-<a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">return</strong> updateRegionState(hri, state,
-<a class="jxr_linenumber" name="389" href="#389">389</a> regionState == <strong class="jxr_keyword">null</strong> ? <strong class="jxr_keyword">null</strong> : regionState.getServerName());
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="393" href="#393">393</a> <em class="jxr_javadoccomment"> * Update a region state. It will be put in transition if not already there.</em>
-<a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="395" href="#395">395</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/RegionState.html">RegionState</a> updateRegionState(
-<a class="jxr_linenumber" name="396" href="#396">396</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Coprocessor.html">State</a> state, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> serverName) {
-<a class="jxr_linenumber" name="397" href="#397">397</a> <strong class="jxr_keyword">return</strong> updateRegionState(hri, state, serverName, HConstants.NO_SEQNUM);
-<a class="jxr_linenumber" name="398" href="#398">398</a> }
-<a class="jxr_linenumber" name="399" href="#399">399</a>
-<a class="jxr_linenumber" name="400" href="#400">400</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> regionOnline(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> serverName) {
-<a class="jxr_linenumber" name="401" href="#401">401</a> regionOnline(hri, serverName, HConstants.NO_SEQNUM);
-<a class="jxr_linenumber" name="402" href="#402">402</a> }
-<a class="jxr_linenumber" name="403" href="#403">403</a>
-<a class="jxr_linenumber" name="404" href="#404">404</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="405" href="#405">405</a> <em class="jxr_javadoccomment"> * A region is online, won't be in transition any more.</em>
-<a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_javadoccomment"> * We can't confirm it is really online on specified region server</em>
-<a class="jxr_linenumber" name="407" href="#407">407</a> <em class="jxr_javadoccomment"> * because it hasn't been put in region server's online region list yet.</em>
-<a class="jxr_linenumber" name="408" href="#408">408</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="409" href="#409">409</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> regionOnline(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HRegionInfo.html">HRegionInfo</a> hri, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> serverName, <strong class="jxr_keyword">long</strong> openSeqNum) {
-<a class="jxr_linenumber" name="410" href="#410">410</a> String encodedName = hri.getEncodedName();
-<a class="jxr_linenumber" name="411" href="#411">411</a> <strong class="jxr_keyword">if</strong> (!serverManager.isServerOnline(serverName)) {
-<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_comment">// This is possible if the region server dies before master gets a</em>
-<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_comment">// chance to handle ZK event in time. At this time, if the dead server</em>
-<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_comment">// is already processed by SSH, we should ignore this event.</em>
-<a class="jxr_linenumber" name="415" href="#415">415</a> <em class="jxr_comment">// If not processed yet, ignore and let SSH deal with it.</em>
-<a class="jxr_linenumber" name="416" href="#416">416</a> LOG.warn(<span class="jxr_string">"Ignored, "</span> + encodedName + <span class="jxr_string">" was opened on a dead server: "</span> + serverName);
-<a class="jxr_linenumber" name="417" href="#417">417</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="418" href="#418">418</a> }
-<a class="jxr_linenumber" name="419" href="#419">419</a> updateRegionState(hri, State.OPEN, serverName, openSeqNum);
-<a class="jxr_linenumber" name="420" href="#420">420</a>
-<a class="jxr_linenumber" name="421" href="#421">421</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
-<a class="jxr_linenumber" name="422" href="#422">422</a> regionsInTransition.remove(encodedName);
-<a class="jxr_linenumber" name="423" href="#423">423</a> <a href="../../../../../org/apache/hadoop/hbase/ServerName.html">ServerName</a> oldServerName = regionAssignments.put(hri, serverName);
-<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">if</strong> (!serverName.equals(oldServerName)) {
-<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) {
-<a class="jxr_linenumber" name="426" href="#426">426</a> LOG.debug(<span class="jxr_string">"Onlined "</span> + hri.getShortNameToLog() + <span class="jxr_string">" on "</span> + serverName);
-<a class="jxr_linenumber" name="427" href="#427">427</a> }
-<a class="jxr_linenumber" name="428" href="#428">428</a> addToServerHoldings(serverName, hri);
-<a class="jxr_linenumber" name="429" href="#429">429</a> addToReplicaMapping(hri);
-<a class="jxr_linenumber" name="430" href="#430">430</a> <strong class="jxr_keyword">if</strong> (oldServerName == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="431" href="#431">431</a> oldServerName = oldAssignments.remove(encode
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