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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/24 18:45:05 UTC
[06/30] hbase-site git commit: Published site at
28cd48b673ca743d193874b2951bc995699e8e89.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/89b638a4/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html
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diff --git a/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html b/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html
index fb03c1b..ad3a0be 100644
--- a/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html
+++ b/xref-test/org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html
@@ -88,478 +88,483 @@
<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">import</strong> org.junit.Rule;
<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category;
-<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">import</strong> org.junit.rules.TestRule;
-<a class="jxr_linenumber" name="82" href="#82">82</a>
-<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Joiner;
-<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.RpcController;
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.ServiceException;
-<a class="jxr_linenumber" name="86" href="#86">86</a>
-<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * Like {@link TestRegionMergeTransaction} in that we're testing</em>
-<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * {@link RegionMergeTransactionImpl} only the below tests are against a running</em>
-<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * cluster where {@link TestRegionMergeTransaction} is tests against bare</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * {@link HRegion}.</em>
-<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> @Category({RegionServerTests.<strong class="jxr_keyword">class</strong>, LargeTests.<strong class="jxr_keyword">class</strong>})
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html">TestRegionMergeTransactionOnCluster</a> {
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory
-<a class="jxr_linenumber" name="96" href="#96">96</a> .getLog(TestRegionMergeTransactionOnCluster.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="97" href="#97">97</a> @Rule <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> TestRule timeout = CategoryBasedTimeout.builder().withTimeout(<strong class="jxr_keyword">this</strong>.getClass()).
-<a class="jxr_linenumber" name="98" href="#98">98</a> withLookingForStuckThread(<strong class="jxr_keyword">true</strong>).build();
-<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> NB_SERVERS = 3;
-<a class="jxr_linenumber" name="100" href="#100">100</a>
-<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] FAMILYNAME = Bytes.toBytes(<span class="jxr_string">"fam"</span>);
-<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] QUALIFIER = Bytes.toBytes(<span class="jxr_string">"q"</span>);
-<a class="jxr_linenumber" name="103" href="#103">103</a>
-<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] ROW = Bytes.toBytes(<span class="jxr_string">"testRow"</span>);
-<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> INITIAL_REGION_NUM = 10;
-<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> ROWSIZE = 200;
-<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] ROWS = makeN(ROW, ROWSIZE);
-<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">static</strong> <strong class="jxr_keyword">int</strong> waitTime = 60 * 1000;
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">import</strong> org.junit.rules.TestName;
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">import</strong> org.junit.rules.TestRule;
+<a class="jxr_linenumber" name="83" href="#83">83</a>
+<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Joiner;
+<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.RpcController;
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.ServiceException;
+<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"> * Like {@link TestRegionMergeTransaction} in that we're testing</em>
+<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * {@link RegionMergeTransactionImpl} only the below tests are against a running</em>
+<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * cluster where {@link TestRegionMergeTransaction} is tests against bare</em>
+<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * {@link HRegion}.</em>
+<a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a> @Category({RegionServerTests.<strong class="jxr_keyword">class</strong>, LargeTests.<strong class="jxr_keyword">class</strong>})
+<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html">TestRegionMergeTransactionOnCluster</a> {
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory
+<a class="jxr_linenumber" name="97" href="#97">97</a> .getLog(TestRegionMergeTransactionOnCluster.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="98" href="#98">98</a> @Rule <strong class="jxr_keyword">public</strong> TestName name = <strong class="jxr_keyword">new</strong> TestName();
+<a class="jxr_linenumber" name="99" href="#99">99</a> @Rule <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> TestRule timeout = CategoryBasedTimeout.builder().withTimeout(<strong class="jxr_keyword">this</strong>.getClass()).
+<a class="jxr_linenumber" name="100" href="#100">100</a> withLookingForStuckThread(<strong class="jxr_keyword">true</strong>).build();
+<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> NB_SERVERS = 3;
+<a class="jxr_linenumber" name="102" href="#102">102</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> byte[] FAMILYNAME = Bytes.toBytes(<span class="jxr_string">"fam"</span>);
+<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> byte[] QUALIFIER = Bytes.toBytes(<span class="jxr_string">"q"</span>);
+<a class="jxr_linenumber" name="105" href="#105">105</a>
+<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[] ROW = Bytes.toBytes(<span class="jxr_string">"testRow"</span>);
+<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> INITIAL_REGION_NUM = 10;
+<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> ROWSIZE = 200;
+<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] ROWS = makeN(ROW, ROWSIZE);
<a class="jxr_linenumber" name="110" href="#110">110</a>
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a> TEST_UTIL = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a>();
+<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> waitTime = 60 * 1000;
<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">static</strong> HMaster MASTER;
-<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Admin ADMIN;
-<a class="jxr_linenumber" name="115" href="#115">115</a>
-<a class="jxr_linenumber" name="116" href="#116">116</a> @BeforeClass
-<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> beforeAllTests() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_comment">// Start a cluster</em>
-<a class="jxr_linenumber" name="119" href="#119">119</a> TEST_UTIL.startMiniCluster(1, NB_SERVERS, <strong class="jxr_keyword">null</strong>, MyMaster.<strong class="jxr_keyword">class</strong>, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="120" href="#120">120</a> <a href="../../../../../org/apache/hadoop/hbase/MiniHBaseCluster.html">MiniHBaseCluster</a> cluster = TEST_UTIL.getHBaseCluster();
-<a class="jxr_linenumber" name="121" href="#121">121</a> MASTER = cluster.getMaster();
-<a class="jxr_linenumber" name="122" href="#122">122</a> MASTER.balanceSwitch(false);
-<a class="jxr_linenumber" name="123" href="#123">123</a> ADMIN = TEST_UTIL.getConnection().getAdmin();
-<a class="jxr_linenumber" name="124" href="#124">124</a> }
-<a class="jxr_linenumber" name="125" href="#125">125</a>
-<a class="jxr_linenumber" name="126" href="#126">126</a> @AfterClass
-<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> afterAllTests() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="128" href="#128">128</a> TEST_UTIL.shutdownMiniCluster();
-<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">if</strong> (ADMIN != <strong class="jxr_keyword">null</strong>) ADMIN.close();
-<a class="jxr_linenumber" name="130" href="#130">130</a> }
-<a class="jxr_linenumber" name="131" href="#131">131</a>
-<a class="jxr_linenumber" name="132" href="#132">132</a> @Test
-<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testWholesomeMerge() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="134" href="#134">134</a> LOG.info(<span class="jxr_string">"Starting testWholesomeMerge"</span>);
-<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">final</strong> TableName tableName =
-<a class="jxr_linenumber" name="136" href="#136">136</a> TableName.valueOf(<span class="jxr_string">"testWholesomeMerge"</span>);
-<a class="jxr_linenumber" name="137" href="#137">137</a>
-<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a> Table table = createTableAndLoadData(MASTER, tableName);
-<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
-<a class="jxr_linenumber" name="141" href="#141">141</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1,
-<a class="jxr_linenumber" name="142" href="#142">142</a> INITIAL_REGION_NUM - 1);
-<a class="jxr_linenumber" name="143" href="#143">143</a>
-<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_comment">// Merge 2nd and 3th region</em>
-<a class="jxr_linenumber" name="145" href="#145">145</a> PairOfSameType<HRegionInfo> mergedRegions =
-<a class="jxr_linenumber" name="146" href="#146">146</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 1, 2,
-<a class="jxr_linenumber" name="147" href="#147">147</a> INITIAL_REGION_NUM - 2);
-<a class="jxr_linenumber" name="148" href="#148">148</a>
-<a class="jxr_linenumber" name="149" href="#149">149</a> verifyRowCount(table, ROWSIZE);
+<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a> TEST_UTIL = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a>();
+<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">static</strong> HMaster MASTER;
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Admin ADMIN;
+<a class="jxr_linenumber" name="117" href="#117">117</a>
+<a class="jxr_linenumber" name="118" href="#118">118</a> @BeforeClass
+<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> beforeAllTests() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_comment">// Start a cluster</em>
+<a class="jxr_linenumber" name="121" href="#121">121</a> TEST_UTIL.startMiniCluster(1, NB_SERVERS, <strong class="jxr_keyword">null</strong>, MyMaster.<strong class="jxr_keyword">class</strong>, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="122" href="#122">122</a> <a href="../../../../../org/apache/hadoop/hbase/MiniHBaseCluster.html">MiniHBaseCluster</a> cluster = TEST_UTIL.getHBaseCluster();
+<a class="jxr_linenumber" name="123" href="#123">123</a> MASTER = cluster.getMaster();
+<a class="jxr_linenumber" name="124" href="#124">124</a> MASTER.balanceSwitch(false);
+<a class="jxr_linenumber" name="125" href="#125">125</a> ADMIN = TEST_UTIL.getConnection().getAdmin();
+<a class="jxr_linenumber" name="126" href="#126">126</a> }
+<a class="jxr_linenumber" name="127" href="#127">127</a>
+<a class="jxr_linenumber" name="128" href="#128">128</a> @AfterClass
+<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> afterAllTests() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="130" href="#130">130</a> TEST_UTIL.shutdownMiniCluster();
+<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">if</strong> (ADMIN != <strong class="jxr_keyword">null</strong>) ADMIN.close();
+<a class="jxr_linenumber" name="132" href="#132">132</a> }
+<a class="jxr_linenumber" name="133" href="#133">133</a>
+<a class="jxr_linenumber" name="134" href="#134">134</a> @Test
+<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testWholesomeMerge() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="136" href="#136">136</a> LOG.info(<span class="jxr_string">"Starting testWholesomeMerge"</span>);
+<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">final</strong> TableName tableName =
+<a class="jxr_linenumber" name="138" href="#138">138</a> TableName.valueOf(<span class="jxr_string">"testWholesomeMerge"</span>);
+<a class="jxr_linenumber" name="139" href="#139">139</a>
+<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_comment">// Create table and load data.</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a> Table table = createTableAndLoadData(MASTER, tableName);
+<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
+<a class="jxr_linenumber" name="143" href="#143">143</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1,
+<a class="jxr_linenumber" name="144" href="#144">144</a> INITIAL_REGION_NUM - 1);
+<a class="jxr_linenumber" name="145" href="#145">145</a>
+<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_comment">// Merge 2nd and 3th region</em>
+<a class="jxr_linenumber" name="147" href="#147">147</a> PairOfSameType<HRegionInfo> mergedRegions =
+<a class="jxr_linenumber" name="148" href="#148">148</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 1, 2,
+<a class="jxr_linenumber" name="149" href="#149">149</a> INITIAL_REGION_NUM - 2);
<a class="jxr_linenumber" name="150" href="#150">150</a>
-<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_comment">// Randomly choose one of the two merged regions</em>
-<a class="jxr_linenumber" name="152" href="#152">152</a> HRegionInfo hri = RandomUtils.nextBoolean() ?
-<a class="jxr_linenumber" name="153" href="#153">153</a> mergedRegions.getFirst() : mergedRegions.getSecond();
-<a class="jxr_linenumber" name="154" href="#154">154</a> <a href="../../../../../org/apache/hadoop/hbase/MiniHBaseCluster.html">MiniHBaseCluster</a> cluster = TEST_UTIL.getHBaseCluster();
-<a class="jxr_linenumber" name="155" href="#155">155</a> AssignmentManager am = cluster.getMaster().getAssignmentManager();
-<a class="jxr_linenumber" name="156" href="#156">156</a> RegionStates regionStates = am.getRegionStates();
-<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">long</strong> start = EnvironmentEdgeManager.currentTime();
-<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">while</strong> (!regionStates.isRegionInState(hri, State.MERGED)) {
-<a class="jxr_linenumber" name="159" href="#159">159</a> assertFalse(<span class="jxr_string">"Timed out in waiting one merged region to be in state MERGED"</span>,
-<a class="jxr_linenumber" name="160" href="#160">160</a> EnvironmentEdgeManager.currentTime() - start > 60000);
-<a class="jxr_linenumber" name="161" href="#161">161</a> Thread.sleep(500);
-<a class="jxr_linenumber" name="162" href="#162">162</a> }
-<a class="jxr_linenumber" name="163" href="#163">163</a>
-<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_comment">// We should not be able to assign it again</em>
-<a class="jxr_linenumber" name="165" href="#165">165</a> am.assign(hri, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="166" href="#166">166</a> assertFalse(<span class="jxr_string">"Merged region can't be assigned"</span>,
-<a class="jxr_linenumber" name="167" href="#167">167</a> regionStates.isRegionInTransition(hri));
-<a class="jxr_linenumber" name="168" href="#168">168</a> assertTrue(regionStates.isRegionInState(hri, State.MERGED));
-<a class="jxr_linenumber" name="169" href="#169">169</a>
-<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_comment">// We should not be able to unassign it either</em>
-<a class="jxr_linenumber" name="171" href="#171">171</a> am.unassign(hri, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="172" href="#172">172</a> assertFalse(<span class="jxr_string">"Merged region can't be unassigned"</span>,
-<a class="jxr_linenumber" name="173" href="#173">173</a> regionStates.isRegionInTransition(hri));
-<a class="jxr_linenumber" name="174" href="#174">174</a> assertTrue(regionStates.isRegionInState(hri, State.MERGED));
-<a class="jxr_linenumber" name="175" href="#175">175</a>
-<a class="jxr_linenumber" name="176" href="#176">176</a> table.close();
-<a class="jxr_linenumber" name="177" href="#177">177</a> }
-<a class="jxr_linenumber" name="178" href="#178">178</a>
-<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment"> * Not really restarting the master. Simulate it by clear of new region</em>
-<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * state since it is not persisted, will be lost after master restarts.</em>
-<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="183" href="#183">183</a> @Test
-<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMergeAndRestartingMaster() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="185" href="#185">185</a> LOG.info(<span class="jxr_string">"Starting testMergeAndRestartingMaster"</span>);
-<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMergeAndRestartingMaster"</span>);
-<a class="jxr_linenumber" name="187" href="#187">187</a>
-<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="189" href="#189">189</a> Table table = createTableAndLoadData(MASTER, tableName);
-<a class="jxr_linenumber" name="190" href="#190">190</a>
-<a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="192" href="#192">192</a> MyMasterRpcServices.enabled.set(<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="193" href="#193">193</a>
-<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
-<a class="jxr_linenumber" name="195" href="#195">195</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1, INITIAL_REGION_NUM - 1);
-<a class="jxr_linenumber" name="196" href="#196">196</a> } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="197" href="#197">197</a> MyMasterRpcServices.enabled.set(false);
-<a class="jxr_linenumber" name="198" href="#198">198</a> }
-<a class="jxr_linenumber" name="199" href="#199">199</a>
-<a class="jxr_linenumber" name="200" href="#200">200</a> table.close();
-<a class="jxr_linenumber" name="201" href="#201">201</a> }
-<a class="jxr_linenumber" name="202" href="#202">202</a>
-<a class="jxr_linenumber" name="203" href="#203">203</a> @Test
-<a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCleanMergeReference() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="205" href="#205">205</a> LOG.info(<span class="jxr_string">"Starting testCleanMergeReference"</span>);
-<a class="jxr_linenumber" name="206" href="#206">206</a> ADMIN.enableCatalogJanitor(false);
-<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">final</strong> TableName tableName =
-<a class="jxr_linenumber" name="209" href="#209">209</a> TableName.valueOf(<span class="jxr_string">"testCleanMergeReference"</span>);
-<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="211" href="#211">211</a> Table table = createTableAndLoadData(MASTER, tableName);
-<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
-<a class="jxr_linenumber" name="213" href="#213">213</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1,
-<a class="jxr_linenumber" name="214" href="#214">214</a> INITIAL_REGION_NUM - 1);
-<a class="jxr_linenumber" name="215" href="#215">215</a> verifyRowCount(table, ROWSIZE);
-<a class="jxr_linenumber" name="216" href="#216">216</a> table.close();
-<a class="jxr_linenumber" name="217" href="#217">217</a>
-<a class="jxr_linenumber" name="218" href="#218">218</a> List<Pair<HRegionInfo, ServerName>> tableRegions = MetaTableAccessor
-<a class="jxr_linenumber" name="219" href="#219">219</a> .getTableRegionsAndLocations(MASTER.getConnection(), tableName);
-<a class="jxr_linenumber" name="220" href="#220">220</a> HRegionInfo mergedRegionInfo = tableRegions.get(0).getFirst();
-<a class="jxr_linenumber" name="221" href="#221">221</a> HTableDescriptor tableDescriptor = MASTER.getTableDescriptors().get(
-<a class="jxr_linenumber" name="222" href="#222">222</a> tableName);
-<a class="jxr_linenumber" name="223" href="#223">223</a> Result mergedRegionResult = MetaTableAccessor.getRegionResult(
-<a class="jxr_linenumber" name="224" href="#224">224</a> MASTER.getConnection(), mergedRegionInfo.getRegionName());
-<a class="jxr_linenumber" name="225" href="#225">225</a>
-<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_comment">// contains merge reference in META</em>
-<a class="jxr_linenumber" name="227" href="#227">227</a> assertTrue(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
-<a class="jxr_linenumber" name="228" href="#228">228</a> HConstants.MERGEA_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="229" href="#229">229</a> assertTrue(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
-<a class="jxr_linenumber" name="230" href="#230">230</a> HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="231" href="#231">231</a>
-<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_comment">// merging regions' directory are in the file system all the same</em>
-<a class="jxr_linenumber" name="233" href="#233">233</a> PairOfSameType<HRegionInfo> p = MetaTableAccessor.getMergeRegions(mergedRegionResult);
-<a class="jxr_linenumber" name="234" href="#234">234</a> HRegionInfo regionA = p.getFirst();
-<a class="jxr_linenumber" name="235" href="#235">235</a> HRegionInfo regionB = p.getSecond();
-<a class="jxr_linenumber" name="236" href="#236">236</a> FileSystem fs = MASTER.getMasterFileSystem().getFileSystem();
-<a class="jxr_linenumber" name="237" href="#237">237</a> Path rootDir = MASTER.getMasterFileSystem().getRootDir();
-<a class="jxr_linenumber" name="238" href="#238">238</a>
-<a class="jxr_linenumber" name="239" href="#239">239</a> Path tabledir = FSUtils.getTableDir(rootDir, mergedRegionInfo.getTable());
-<a class="jxr_linenumber" name="240" href="#240">240</a> Path regionAdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionA.getEncodedName());
-<a class="jxr_linenumber" name="241" href="#241">241</a> Path regionBdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionB.getEncodedName());
-<a class="jxr_linenumber" name="242" href="#242">242</a> assertTrue(fs.exists(regionAdir));
-<a class="jxr_linenumber" name="243" href="#243">243</a> assertTrue(fs.exists(regionBdir));
-<a class="jxr_linenumber" name="244" href="#244">244</a>
-<a class="jxr_linenumber" name="245" href="#245">245</a> HColumnDescriptor[] columnFamilies = tableDescriptor.getColumnFamilies();
-<a class="jxr_linenumber" name="246" href="#246">246</a> HRegionFileSystem hrfs = <strong class="jxr_keyword">new</strong> HRegionFileSystem(
-<a class="jxr_linenumber" name="247" href="#247">247</a> TEST_UTIL.getConfiguration(), fs, tabledir, mergedRegionInfo);
-<a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">int</strong> count = 0;
-<a class="jxr_linenumber" name="249" href="#249">249</a> <strong class="jxr_keyword">for</strong>(HColumnDescriptor colFamily : columnFamilies) {
-<a class="jxr_linenumber" name="250" href="#250">250</a> count += hrfs.getStoreFiles(colFamily.getName()).size();
-<a class="jxr_linenumber" name="251" href="#251">251</a> }
-<a class="jxr_linenumber" name="252" href="#252">252</a> ADMIN.compactRegion(mergedRegionInfo.getRegionName());
-<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_comment">// clean up the merged region store files</em>
-<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_comment">// wait until merged region have reference file</em>
-<a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
-<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">int</strong> newcount = 0;
-<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() < timeout) {
-<a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">for</strong>(HColumnDescriptor colFamily : columnFamilies) {
-<a class="jxr_linenumber" name="259" href="#259">259</a> newcount += hrfs.getStoreFiles(colFamily.getName()).size();
-<a class="jxr_linenumber" name="260" href="#260">260</a> }
-<a class="jxr_linenumber" name="261" href="#261">261</a> <strong class="jxr_keyword">if</strong>(newcount > count) {
-<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="263" href="#263">263</a> }
-<a class="jxr_linenumber" name="264" href="#264">264</a> Thread.sleep(50);
-<a class="jxr_linenumber" name="265" href="#265">265</a> }
-<a class="jxr_linenumber" name="266" href="#266">266</a> assertTrue(newcount > count);
-<a class="jxr_linenumber" name="267" href="#267">267</a> List<RegionServerThread> regionServerThreads = TEST_UTIL.getHBaseCluster()
-<a class="jxr_linenumber" name="268" href="#268">268</a> .getRegionServerThreads();
-<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">for</strong> (RegionServerThread rs : regionServerThreads) {
-<a class="jxr_linenumber" name="270" href="#270">270</a> CompactedHFilesDischarger cleaner = <strong class="jxr_keyword">new</strong> CompactedHFilesDischarger(100, <strong class="jxr_keyword">null</strong>,
-<a class="jxr_linenumber" name="271" href="#271">271</a> rs.getRegionServer(), false);
-<a class="jxr_linenumber" name="272" href="#272">272</a> cleaner.chore();
-<a class="jxr_linenumber" name="273" href="#273">273</a> Thread.sleep(1000);
-<a class="jxr_linenumber" name="274" href="#274">274</a> }
-<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() < timeout) {
-<a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">int</strong> newcount1 = 0;
-<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">for</strong>(HColumnDescriptor colFamily : columnFamilies) {
-<a class="jxr_linenumber" name="278" href="#278">278</a> newcount1 += hrfs.getStoreFiles(colFamily.getName()).size();
-<a class="jxr_linenumber" name="279" href="#279">279</a> }
-<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">if</strong>(newcount1 <= 1) {
-<a class="jxr_linenumber" name="281" href="#281">281</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="282" href="#282">282</a> }
-<a class="jxr_linenumber" name="283" href="#283">283</a> Thread.sleep(50);
-<a class="jxr_linenumber" name="284" href="#284">284</a> }
-<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_comment">// run CatalogJanitor to clean merge references in hbase:meta and archive the</em>
-<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_comment">// files of merging regions</em>
-<a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">int</strong> cleaned = 0;
-<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">while</strong> (cleaned == 0) {
-<a class="jxr_linenumber" name="289" href="#289">289</a> cleaned = ADMIN.runCatalogScan();
-<a class="jxr_linenumber" name="290" href="#290">290</a> LOG.debug(<span class="jxr_string">"catalog janitor returned "</span> + cleaned);
-<a class="jxr_linenumber" name="291" href="#291">291</a> Thread.sleep(50);
-<a class="jxr_linenumber" name="292" href="#292">292</a> }
-<a class="jxr_linenumber" name="293" href="#293">293</a> assertFalse(regionAdir.toString(), fs.exists(regionAdir));
-<a class="jxr_linenumber" name="294" href="#294">294</a> assertFalse(regionBdir.toString(), fs.exists(regionBdir));
-<a class="jxr_linenumber" name="295" href="#295">295</a> assertTrue(cleaned > 0);
-<a class="jxr_linenumber" name="296" href="#296">296</a>
-<a class="jxr_linenumber" name="297" href="#297">297</a> mergedRegionResult = MetaTableAccessor.getRegionResult(
-<a class="jxr_linenumber" name="298" href="#298">298</a> TEST_UTIL.getConnection(), mergedRegionInfo.getRegionName());
-<a class="jxr_linenumber" name="299" href="#299">299</a> assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
-<a class="jxr_linenumber" name="300" href="#300">300</a> HConstants.MERGEA_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="301" href="#301">301</a> assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
-<a class="jxr_linenumber" name="302" href="#302">302</a> HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="303" href="#303">303</a>
-<a class="jxr_linenumber" name="304" href="#304">304</a> } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="305" href="#305">305</a> ADMIN.enableCatalogJanitor(<strong class="jxr_keyword">true</strong>);
-<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>
-<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment"> * This test tests 1, merging region not online;</em>
-<a class="jxr_linenumber" name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * 2, merging same two regions; 3, merging unknown regions.</em>
-<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * They are in one test case so that we don't have to create</em>
-<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * many tables, and these tests are simple.</em>
-<a class="jxr_linenumber" name="314" href="#314">314</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="315" href="#315">315</a> @Test
-<a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMerge() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="317" href="#317">317</a> LOG.info(<span class="jxr_string">"Starting testMerge"</span>);
-<a class="jxr_linenumber" name="318" href="#318">318</a> <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMerge"</span>);
-<a class="jxr_linenumber" name="319" href="#319">319</a>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="322" href="#322">322</a> Table table = createTableAndLoadData(MASTER, tableName);
-<a class="jxr_linenumber" name="323" href="#323">323</a> RegionStates regionStates = MASTER.getAssignmentManager().getRegionStates();
-<a class="jxr_linenumber" name="324" href="#324">324</a> List<HRegionInfo> regions = regionStates.getRegionsOfTable(tableName);
-<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_comment">// Fake offline one region</em>
-<a class="jxr_linenumber" name="326" href="#326">326</a> HRegionInfo a = regions.get(0);
-<a class="jxr_linenumber" name="327" href="#327">327</a> HRegionInfo b = regions.get(1);
-<a class="jxr_linenumber" name="328" href="#328">328</a> regionStates.regionOffline(a);
-<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_comment">// Merge offline region. Region a is offline here</em>
-<a class="jxr_linenumber" name="331" href="#331">331</a> ADMIN.mergeRegions(a.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), false);
-<a class="jxr_linenumber" name="332" href="#332">332</a> fail(<span class="jxr_string">"Offline regions should not be able to merge"</span>);
-<a class="jxr_linenumber" name="333" href="#333">333</a> } <strong class="jxr_keyword">catch</strong> (IOException ie) {
-<a class="jxr_linenumber" name="334" href="#334">334</a> System.out.println(ie);
-<a class="jxr_linenumber" name="335" href="#335">335</a> assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
-<a class="jxr_linenumber" name="336" href="#336">336</a> StringUtils.stringifyException(ie).contains(<span class="jxr_string">"regions not online"</span>)
-<a class="jxr_linenumber" name="337" href="#337">337</a> && ie instanceof MergeRegionException);
-<a class="jxr_linenumber" name="338" href="#338">338</a> }
-<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_comment">// Merge the same region: b and b.</em>
-<a class="jxr_linenumber" name="341" href="#341">341</a> ADMIN.mergeRegions(b.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="342" href="#342">342</a> fail(<span class="jxr_string">"A region should not be able to merge with itself, even forcifully"</span>);
-<a class="jxr_linenumber" name="343" href="#343">343</a> } <strong class="jxr_keyword">catch</strong> (IOException ie) {
-<a class="jxr_linenumber" name="344" href="#344">344</a> assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
-<a class="jxr_linenumber" name="345" href="#345">345</a> StringUtils.stringifyException(ie).contains(<span class="jxr_string">"region to itself"</span>)
-<a class="jxr_linenumber" name="346" href="#346">346</a> && ie instanceof MergeRegionException);
-<a class="jxr_linenumber" name="347" href="#347">347</a> }
-<a class="jxr_linenumber" name="348" href="#348">348</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="349" href="#349">349</a> <em class="jxr_comment">// Merge unknown regions</em>
-<a class="jxr_linenumber" name="350" href="#350">350</a> ADMIN.mergeRegions(Bytes.toBytes(<span class="jxr_string">"-f1"</span>), Bytes.toBytes(<span class="jxr_string">"-f2"</span>), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="351" href="#351">351</a> fail(<span class="jxr_string">"Unknown region could not be merged"</span>);
-<a class="jxr_linenumber" name="352" href="#352">352</a> } <strong class="jxr_keyword">catch</strong> (IOException ie) {
-<a class="jxr_linenumber" name="353" href="#353">353</a> assertTrue(<span class="jxr_string">"UnknownRegionException should be thrown"</span>,
-<a class="jxr_linenumber" name="354" href="#354">354</a> ie instanceof UnknownRegionException);
-<a class="jxr_linenumber" name="355" href="#355">355</a> }
-<a class="jxr_linenumber" name="356" href="#356">356</a> table.close();
-<a class="jxr_linenumber" name="357" href="#357">357</a> } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="358" href="#358">358</a> TEST_UTIL.deleteTable(tableName);
-<a class="jxr_linenumber" name="359" href="#359">359</a> }
-<a class="jxr_linenumber" name="360" href="#360">360</a> }
-<a class="jxr_linenumber" name="361" href="#361">361</a>
-<a class="jxr_linenumber" name="362" href="#362">362</a> @Test
-<a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMergeWithReplicas() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="364" href="#364">364</a> <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMergeWithReplicas"</span>);
-<a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_comment">// Create table and load data.</em>
-<a class="jxr_linenumber" name="366" href="#366">366</a> createTableAndLoadData(MASTER, tableName, 5, 2);
-<a class="jxr_linenumber" name="367" href="#367">367</a> List<Pair<HRegionInfo, ServerName>> initialRegionToServers =
-<a class="jxr_linenumber" name="368" href="#368">368</a> MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="369" href="#369">369</a> TEST_UTIL.getConnection(), tableName);
-<a class="jxr_linenumber" name="370" href="#370">370</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
-<a class="jxr_linenumber" name="371" href="#371">371</a> PairOfSameType<HRegionInfo> mergedRegions = mergeRegionsAndVerifyRegionNum(MASTER, tableName,
-<a class="jxr_linenumber" name="372" href="#372">372</a> 0, 2, 5 * 2 - 2);
-<a class="jxr_linenumber" name="373" href="#373">373</a> List<Pair<HRegionInfo, ServerName>> currentRegionToServers =
-<a class="jxr_linenumber" name="374" href="#374">374</a> MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="375" href="#375">375</a> TEST_UTIL.getConnection(), tableName);
-<a class="jxr_linenumber" name="376" href="#376">376</a> List<HRegionInfo> initialRegions = <strong class="jxr_keyword">new</strong> ArrayList<HRegionInfo>();
-<a class="jxr_linenumber" name="377" href="#377">377</a> <strong class="jxr_keyword">for</strong> (Pair<HRegionInfo, ServerName> p : initialRegionToServers) {
-<a class="jxr_linenumber" name="378" href="#378">378</a> initialRegions.add(p.getFirst());
-<a class="jxr_linenumber" name="379" href="#379">379</a> }
-<a class="jxr_linenumber" name="380" href="#380">380</a> List<HRegionInfo> currentRegions = <strong class="jxr_keyword">new</strong> ArrayList<HRegionInfo>();
-<a class="jxr_linenumber" name="381" href="#381">381</a> <strong class="jxr_keyword">for</strong> (Pair<HRegionInfo, ServerName> p : currentRegionToServers) {
-<a class="jxr_linenumber" name="382" href="#382">382</a> currentRegions.add(p.getFirst());
-<a class="jxr_linenumber" name="383" href="#383">383</a> }
-<a class="jxr_linenumber" name="384" href="#384">384</a> assertTrue(initialRegions.contains(mergedRegions.getFirst())); <em class="jxr_comment">//this is the first region</em>
-<a class="jxr_linenumber" name="385" href="#385">385</a> assertTrue(initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="386" href="#386">386</a> mergedRegions.getFirst(), 1))); <em class="jxr_comment">//this is the replica of the first region</em>
-<a class="jxr_linenumber" name="387" href="#387">387</a> assertTrue(initialRegions.contains(mergedRegions.getSecond())); <em class="jxr_comment">//this is the second region</em>
-<a class="jxr_linenumber" name="388" href="#388">388</a> assertTrue(initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="389" href="#389">389</a> mergedRegions.getSecond(), 1))); <em class="jxr_comment">//this is the replica of the second region</em>
-<a class="jxr_linenumber" name="390" href="#390">390</a> assertTrue(!initialRegions.contains(currentRegions.get(0))); <em class="jxr_comment">//this is the new region</em>
-<a class="jxr_linenumber" name="391" href="#391">391</a> assertTrue(!initialRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="392" href="#392">392</a> currentRegions.get(0), 1))); <em class="jxr_comment">//replica of the new region</em>
-<a class="jxr_linenumber" name="393" href="#393">393</a> assertTrue(currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="394" href="#394">394</a> currentRegions.get(0), 1))); <em class="jxr_comment">//replica of the new region</em>
-<a class="jxr_linenumber" name="395" href="#395">395</a> assertTrue(!currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="396" href="#396">396</a> mergedRegions.getFirst(), 1))); <em class="jxr_comment">//replica of the merged region</em>
-<a class="jxr_linenumber" name="397" href="#397">397</a> assertTrue(!currentRegions.contains(RegionReplicaUtil.getRegionInfoForReplica(
-<a class="jxr_linenumber" name="398" href="#398">398</a> mergedRegions.getSecond(), 1))); <em class="jxr_comment">//replica of the merged region</em>
-<a class="jxr_linenumber" name="399" href="#399">399</a> }
-<a class="jxr_linenumber" name="400" href="#400">400</a>
-<a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">private</strong> PairOfSameType<HRegionInfo> mergeRegionsAndVerifyRegionNum(
-<a class="jxr_linenumber" name="402" href="#402">402</a> HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="403" href="#403">403</a> <strong class="jxr_keyword">int</strong> regionAnum, <strong class="jxr_keyword">int</strong> regionBnum, <strong class="jxr_keyword">int</strong> expectedRegionNum) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="404" href="#404">404</a> PairOfSameType<HRegionInfo> mergedRegions =
-<a class="jxr_linenumber" name="405" href="#405">405</a> requestMergeRegion(master, tablename, regionAnum, regionBnum);
-<a class="jxr_linenumber" name="406" href="#406">406</a> waitAndVerifyRegionNum(master, tablename, expectedRegionNum);
-<a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">return</strong> mergedRegions;
-<a class="jxr_linenumber" name="408" href="#408">408</a> }
-<a class="jxr_linenumber" name="409" href="#409">409</a>
-<a class="jxr_linenumber" name="410" href="#410">410</a> <strong class="jxr_keyword">private</strong> PairOfSameType<HRegionInfo> requestMergeRegion(
-<a class="jxr_linenumber" name="411" href="#411">411</a> HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="412" href="#412">412</a> <strong class="jxr_keyword">int</strong> regionAnum, <strong class="jxr_keyword">int</strong> regionBnum) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="413" href="#413">413</a> List<Pair<HRegionInfo, ServerName>> tableRegions = MetaTableAccessor
-<a class="jxr_linenumber" name="414" href="#414">414</a> .getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="415" href="#415">415</a> TEST_UTIL.getConnection(), tablename);
-<a class="jxr_linenumber" name="416" href="#416">416</a> HRegionInfo regionA = tableRegions.get(regionAnum).getFirst();
-<a class="jxr_linenumber" name="417" href="#417">417</a> HRegionInfo regionB = tableRegions.get(regionBnum).getFirst();
-<a class="jxr_linenumber" name="418" href="#418">418</a> ADMIN.mergeRegions(
-<a class="jxr_linenumber" name="419" href="#419">419</a> regionA.getEncodedNameAsBytes(),
-<a class="jxr_linenumber" name="420" href="#420">420</a> regionB.getEncodedNameAsBytes(), false);
-<a class="jxr_linenumber" name="421" href="#421">421</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> PairOfSameType<HRegionInfo>(regionA, regionB);
-<a class="jxr_linenumber" name="422" href="#422">422</a> }
-<a class="jxr_linenumber" name="423" href="#423">423</a>
-<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitAndVerifyRegionNum(HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">int</strong> expectedRegionNum) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="426" href="#426">426</a> List<Pair<HRegionInfo, ServerName>> tableRegionsInMeta;
-<a class="jxr_linenumber" name="427" href="#427">427</a> List<HRegionInfo> tableRegionsInMaster;
-<a class="jxr_linenumber" name="428" href="#428">428</a> <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
-<a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() < timeout) {
-<a class="jxr_linenumber" name="430" href="#430">430</a> tableRegionsInMeta = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="431" href="#431">431</a> TEST_UTIL.getConnection(), tablename);
-<a class="jxr_linenumber" name="432" href="#432">432</a> tableRegionsInMaster = master.getAssignmentManager().getRegionStates()
-<a class="jxr_linenumber" name="433" href="#433">433</a> .getRegionsOfTable(tablename);
-<a class="jxr_linenumber" name="434" href="#434">434</a> <strong class="jxr_keyword">if</strong> (tableRegionsInMeta.size() == expectedRegionNum
-<a class="jxr_linenumber" name="435" href="#435">435</a> && tableRegionsInMaster.size() == expectedRegionNum) {
-<a class="jxr_linenumber" name="436" href="#436">436</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="437" href="#437">437</a> }
-<a class="jxr_linenumber" name="438" href="#438">438</a> Thread.sleep(250);
-<a class="jxr_linenumber" name="439" href="#439">439</a> }
-<a class="jxr_linenumber" name="440" href="#440">440</a>
-<a class="jxr_linenumber" name="441" href="#441">441</a> tableRegionsInMeta = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="442" href="#442">442</a> TEST_UTIL.getConnection(), tablename);
-<a class="jxr_linenumber" name="443" href="#443">443</a> LOG.info(<span class="jxr_string">"Regions after merge:"</span> + Joiner.on(',').join(tableRegionsInMeta));
-<a class="jxr_linenumber" name="444" href="#444">444</a> assertEquals(expectedRegionNum, tableRegionsInMeta.size());
-<a class="jxr_linenumber" name="445" href="#445">445</a> }
-<a class="jxr_linenumber" name="446" href="#446">446</a>
-<a class="jxr_linenumber" name="447" href="#447">447</a> <strong class="jxr_keyword">private</strong> Table createTableAndLoadData(HMaster master, TableName tablename)
-<a class="jxr_linenumber" name="448" href="#448">448</a> <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="449" href="#449">449</a> <strong class="jxr_keyword">return</strong> createTableAndLoadData(master, tablename, INITIAL_REGION_NUM, 1);
-<a class="jxr_linenumber" name="450" href="#450">450</a> }
-<a class="jxr_linenumber" name="451" href="#451">451</a>
-<a class="jxr_linenumber" name="452" href="#452">452</a> <strong class="jxr_keyword">private</strong> Table createTableAndLoadData(HMaster master, TableName tablename,
-<a class="jxr_linenumber" name="453" href="#453">453</a> <strong class="jxr_keyword">int</strong> numRegions, <strong class="jxr_keyword">int</strong> replication) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="454" href="#454">454</a> assertTrue(<span class="jxr_string">"ROWSIZE must > numregions:"</span> + numRegions, ROWSIZE > numRegions);
-<a class="jxr_linenumber" name="455" href="#455">455</a> byte[][] splitRows = <strong class="jxr_keyword">new</strong> byte[numRegions - 1][];
-<a class="jxr_linenumber" name="456" href="#456">456</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < splitRows.length; i++) {
-<a class="jxr_linenumber" name="457" href="#457">457</a> splitRows[i] = ROWS[(i + 1) * ROWSIZE / numRegions];
-<a class="jxr_linenumber" name="458" href="#458">458</a> }
-<a class="jxr_linenumber" name="459" href="#459">459</a>
-<a class="jxr_linenumber" name="460" href="#460">460</a> Table table = TEST_UTIL.createTable(tablename, FAMILYNAME, splitRows);
-<a class="jxr_linenumber" name="461" href="#461">461</a> <strong class="jxr_keyword">if</strong> (replication > 1) {
-<a class="jxr_linenumber" name="462" href="#462">462</a> HBaseTestingUtility.setReplicas(ADMIN, tablename, replication);
-<a class="jxr_linenumber" name="463" href="#463">463</a> }
-<a class="jxr_linenumber" name="464" href="#464">464</a> loadData(table);
-<a class="jxr_linenumber" name="465" href="#465">465</a> verifyRowCount(table, ROWSIZE);
-<a class="jxr_linenumber" name="466" href="#466">466</a>
-<a class="jxr_linenumber" name="467" href="#467">467</a> <em class="jxr_comment">// sleep here is an ugly hack to allow region transitions to finish</em>
-<a class="jxr_linenumber" name="468" href="#468">468</a> <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
-<a class="jxr_linenumber" name="469" href="#469">469</a> List<Pair<HRegionInfo, ServerName>> tableRegions;
-<a class="jxr_linenumber" name="470" href="#470">470</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() < timeout) {
-<a class="jxr_linenumber" name="471" href="#471">471</a> tableRegions = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="472" href="#472">472</a> TEST_UTIL.getConnection(), tablename);
-<a class="jxr_linenumber" name="473" href="#473">473</a> <strong class="jxr_keyword">if</strong> (tableRegions.size() == numRegions * replication)
-<a class="jxr_linenumber" name="474" href="#474">474</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="475" href="#475">475</a> Thread.sleep(250);
-<a class="jxr_linenumber" name="476" href="#476">476</a> }
-<a class="jxr_linenumber" name="477" href="#477">477</a>
-<a class="jxr_linenumber" name="478" href="#478">478</a> tableRegions = MetaTableAccessor.getTableRegionsAndLocations(
-<a class="jxr_linenumber" name="479" href="#479">479</a> TEST_UTIL.getConnection(), tablename);
-<a class="jxr_linenumber" name="480" href="#480">480</a> LOG.info(<span class="jxr_string">"Regions after load: "</span> + Joiner.on(',').join(tableRegions));
-<a class="jxr_linenumber" name="481" href="#481">481</a> assertEquals(numRegions * replication, tableRegions.size());
-<a class="jxr_linenumber" name="482" href="#482">482</a> <strong class="jxr_keyword">return</strong> table;
-<a class="jxr_linenumber" name="483" href="#483">483</a> }
-<a class="jxr_linenumber" name="484" href="#484">484</a>
-<a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte[][] makeN(byte[] base, <strong class="jxr_keyword">int</strong> n) {
-<a class="jxr_linenumber" name="486" href="#486">486</a> byte[][] ret = <strong class="jxr_keyword">new</strong> byte[n][];
-<a class="jxr_linenumber" name="487" href="#487">487</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < n; i++) {
-<a class="jxr_linenumber" name="488" href="#488">488</a> ret[i] = Bytes.add(base, Bytes.toBytes(String.format(<span class="jxr_string">"%04d"</span>, i)));
-<a class="jxr_linenumber" name="489" href="#489">489</a> }
-<a class="jxr_linenumber" name="490" href="#490">490</a> <strong class="jxr_keyword">return</strong> ret;
-<a class="jxr_linenumber" name="491" href="#491">491</a> }
-<a class="jxr_linenumber" name="492" href="#492">492</a>
-<a class="jxr_linenumber" name="493" href="#493">493</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> loadData(Table table) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < ROWSIZE; i++) {
-<a class="jxr_linenumber" name="495" href="#495">495</a> Put put = <strong class="jxr_keyword">new</strong> Put(ROWS[i]);
-<a class="jxr_linenumber" name="496" href="#496">496</a> put.addColumn(FAMILYNAME, QUALIFIER, Bytes.toBytes(i));
-<a class="jxr_linenumber" name="497" href="#497">497</a> table.put(put);
-<a class="jxr_linenumber" name="498" href="#498">498</a> }
-<a class="jxr_linenumber" name="499" href="#499">499</a> }
-<a class="jxr_linenumber" name="500" href="#500">500</a>
-<a class="jxr_linenumber" name="501" href="#501">501</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> verifyRowCount(Table table, <strong class="jxr_keyword">int</strong> expectedRegionNum)
-<a class="jxr_linenumber" name="502" href="#502">502</a> <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="503" href="#503">503</a> ResultScanner scanner = table.getScanner(<strong class="jxr_keyword">new</strong> Scan());
-<a class="jxr_linenumber" name="504" href="#504">504</a> <strong class="jxr_keyword">int</strong> rowCount = 0;
-<a class="jxr_linenumber" name="505" href="#505">505</a> <strong class="jxr_keyword">while</strong> (scanner.next() != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="506" href="#506">506</a> rowCount++;
-<a class="jxr_linenumber" name="507" href="#507">507</a> }
-<a class="jxr_linenumber" name="508" href="#508">508</a> assertEquals(expectedRegionNum, rowCount);
-<a class="jxr_linenumber" name="509" href="#509">509</a> scanner.close();
-<a class="jxr_linenumber" name="510" href="#510">510</a> }
-<a class="jxr_linenumber" name="511" href="#511">511</a>
-<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_comment">// Make it public so that JVMClusterUtil can access it.</em>
-<a class="jxr_linenumber" name="513" href="#513">513</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TestMasterMetrics.html">MyMaster</a> <strong class="jxr_keyword">extends</strong> HMaster {
-<a class="jxr_linenumber" name="514" href="#514">514</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/master/TestMasterMetrics.html">MyMaster</a>(Configuration conf, CoordinatedStateManager cp)
-<a class="jxr_linenumber" name="515" href="#515">515</a> <strong class="jxr_keyword">throws</strong> IOException, KeeperException,
-<a class="jxr_linenumber" name="516" href="#516">516</a> InterruptedException {
-<a class="jxr_linenumber" name="517" href="#517">517</a> <strong class="jxr_keyword">super</strong>(conf, cp);
-<a class="jxr_linenumber" name="518" href="#518">518</a> }
-<a class="jxr_linenumber" name="519" href="#519">519</a>
-<a class="jxr_linenumber" name="520" href="#520">520</a> @Override
-<a class="jxr_linenumber" name="521" href="#521">521</a> <strong class="jxr_keyword">protected</strong> RSRpcServices createRpcServices() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="522" href="#522">522</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestRegionMergeTransactionOnCluster.html">MyMasterRpcServices</a>(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="151" href="#151">151</a> verifyRowCount(table, ROWSIZE);
+<a class="jxr_linenumber" name="152" href="#152">152</a>
+<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_comment">// Randomly choose one of the two merged regions</em>
+<a class="jxr_linenumber" name="154" href="#154">154</a> HRegionInfo hri = RandomUtils.nextBoolean() ?
+<a class="jxr_linenumber" name="155" href="#155">155</a> mergedRegions.getFirst() : mergedRegions.getSecond();
+<a class="jxr_linenumber" name="156" href="#156">156</a> <a href="../../../../../org/apache/hadoop/hbase/MiniHBaseCluster.html">MiniHBaseCluster</a> cluster = TEST_UTIL.getHBaseCluster();
+<a class="jxr_linenumber" name="157" href="#157">157</a> AssignmentManager am = cluster.getMaster().getAssignmentManager();
+<a class="jxr_linenumber" name="158" href="#158">158</a> RegionStates regionStates = am.getRegionStates();
+<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">long</strong> start = EnvironmentEdgeManager.currentTime();
+<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">while</strong> (!regionStates.isRegionInState(hri, State.MERGED)) {
+<a class="jxr_linenumber" name="161" href="#161">161</a> assertFalse(<span class="jxr_string">"Timed out in waiting one merged region to be in state MERGED"</span>,
+<a class="jxr_linenumber" name="162" href="#162">162</a> EnvironmentEdgeManager.currentTime() - start > 60000);
+<a class="jxr_linenumber" name="163" href="#163">163</a> Thread.sleep(500);
+<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_comment">// We should not be able to assign it again</em>
+<a class="jxr_linenumber" name="167" href="#167">167</a> am.assign(hri, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="168" href="#168">168</a> assertFalse(<span class="jxr_string">"Merged region can't be assigned"</span>,
+<a class="jxr_linenumber" name="169" href="#169">169</a> regionStates.isRegionInTransition(hri));
+<a class="jxr_linenumber" name="170" href="#170">170</a> assertTrue(regionStates.isRegionInState(hri, State.MERGED));
+<a class="jxr_linenumber" name="171" href="#171">171</a>
+<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_comment">// We should not be able to unassign it either</em>
+<a class="jxr_linenumber" name="173" href="#173">173</a> am.unassign(hri, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="174" href="#174">174</a> assertFalse(<span class="jxr_string">"Merged region can't be unassigned"</span>,
+<a class="jxr_linenumber" name="175" href="#175">175</a> regionStates.isRegionInTransition(hri));
+<a class="jxr_linenumber" name="176" href="#176">176</a> assertTrue(regionStates.isRegionInState(hri, State.MERGED));
+<a class="jxr_linenumber" name="177" href="#177">177</a>
+<a class="jxr_linenumber" name="178" href="#178">178</a> table.close();
+<a class="jxr_linenumber" name="179" href="#179">179</a> }
+<a class="jxr_linenumber" name="180" href="#180">180</a>
+<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * Not really restarting the master. Simulate it by clear of new region</em>
+<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * state since it is not persisted, will be lost after master restarts.</em>
+<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="185" href="#185">185</a> @Test
+<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMergeAndRestartingMaster() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMergeAndRestartingMaster"</span>);
+<a class="jxr_linenumber" name="188" href="#188">188</a>
+<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_comment">// Create table and load data.</em>
+<a class="jxr_linenumber" name="190" href="#190">190</a> Table table = createTableAndLoadData(MASTER, tableName);
+<a class="jxr_linenumber" name="191" href="#191">191</a>
+<a class="jxr_linenumber" name="192" href="#192">192</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="193" href="#193">193</a> MyMasterRpcServices.enabled.set(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="194" href="#194">194</a>
+<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
+<a class="jxr_linenumber" name="196" href="#196">196</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1, INITIAL_REGION_NUM - 1);
+<a class="jxr_linenumber" name="197" href="#197">197</a> } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="198" href="#198">198</a> MyMasterRpcServices.enabled.set(false);
+<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> table.close();
+<a class="jxr_linenumber" name="202" href="#202">202</a> }
+<a class="jxr_linenumber" name="203" href="#203">203</a>
+<a class="jxr_linenumber" name="204" href="#204">204</a> @Test
+<a class="jxr_linenumber" name="205" href="#205">205</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCleanMergeReference() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="206" href="#206">206</a> LOG.info(<span class="jxr_string">"Starting testCleanMergeReference"</span>);
+<a class="jxr_linenumber" name="207" href="#207">207</a> ADMIN.enableCatalogJanitor(false);
+<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">final</strong> TableName tableName =
+<a class="jxr_linenumber" name="210" href="#210">210</a> TableName.valueOf(<span class="jxr_string">"testCleanMergeReference"</span>);
+<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_comment">// Create table and load data.</em>
+<a class="jxr_linenumber" name="212" href="#212">212</a> Table table = createTableAndLoadData(MASTER, tableName);
+<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_comment">// Merge 1st and 2nd region</em>
+<a class="jxr_linenumber" name="214" href="#214">214</a> mergeRegionsAndVerifyRegionNum(MASTER, tableName, 0, 1,
+<a class="jxr_linenumber" name="215" href="#215">215</a> INITIAL_REGION_NUM - 1);
+<a class="jxr_linenumber" name="216" href="#216">216</a> verifyRowCount(table, ROWSIZE);
+<a class="jxr_linenumber" name="217" href="#217">217</a> table.close();
+<a class="jxr_linenumber" name="218" href="#218">218</a>
+<a class="jxr_linenumber" name="219" href="#219">219</a> List<Pair<HRegionInfo, ServerName>> tableRegions = MetaTableAccessor
+<a class="jxr_linenumber" name="220" href="#220">220</a> .getTableRegionsAndLocations(MASTER.getConnection(), tableName);
+<a class="jxr_linenumber" name="221" href="#221">221</a> HRegionInfo mergedRegionInfo = tableRegions.get(0).getFirst();
+<a class="jxr_linenumber" name="222" href="#222">222</a> HTableDescriptor tableDescriptor = MASTER.getTableDescriptors().get(
+<a class="jxr_linenumber" name="223" href="#223">223</a> tableName);
+<a class="jxr_linenumber" name="224" href="#224">224</a> Result mergedRegionResult = MetaTableAccessor.getRegionResult(
+<a class="jxr_linenumber" name="225" href="#225">225</a> MASTER.getConnection(), mergedRegionInfo.getRegionName());
+<a class="jxr_linenumber" name="226" href="#226">226</a>
+<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_comment">// contains merge reference in META</em>
+<a class="jxr_linenumber" name="228" href="#228">228</a> assertTrue(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
+<a class="jxr_linenumber" name="229" href="#229">229</a> HConstants.MERGEA_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="230" href="#230">230</a> assertTrue(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
+<a class="jxr_linenumber" name="231" href="#231">231</a> HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="232" href="#232">232</a>
+<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_comment">// merging regions' directory are in the file system all the same</em>
+<a class="jxr_linenumber" name="234" href="#234">234</a> PairOfSameType<HRegionInfo> p = MetaTableAccessor.getMergeRegions(mergedRegionResult);
+<a class="jxr_linenumber" name="235" href="#235">235</a> HRegionInfo regionA = p.getFirst();
+<a class="jxr_linenumber" name="236" href="#236">236</a> HRegionInfo regionB = p.getSecond();
+<a class="jxr_linenumber" name="237" href="#237">237</a> FileSystem fs = MASTER.getMasterFileSystem().getFileSystem();
+<a class="jxr_linenumber" name="238" href="#238">238</a> Path rootDir = MASTER.getMasterFileSystem().getRootDir();
+<a class="jxr_linenumber" name="239" href="#239">239</a>
+<a class="jxr_linenumber" name="240" href="#240">240</a> Path tabledir = FSUtils.getTableDir(rootDir, mergedRegionInfo.getTable());
+<a class="jxr_linenumber" name="241" href="#241">241</a> Path regionAdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionA.getEncodedName());
+<a class="jxr_linenumber" name="242" href="#242">242</a> Path regionBdir = <strong class="jxr_keyword">new</strong> Path(tabledir, regionB.getEncodedName());
+<a class="jxr_linenumber" name="243" href="#243">243</a> assertTrue(fs.exists(regionAdir));
+<a class="jxr_linenumber" name="244" href="#244">244</a> assertTrue(fs.exists(regionBdir));
+<a class="jxr_linenumber" name="245" href="#245">245</a>
+<a class="jxr_linenumber" name="246" href="#246">246</a> HColumnDescriptor[] columnFamilies = tableDescriptor.getColumnFamilies();
+<a class="jxr_linenumber" name="247" href="#247">247</a> HRegionFileSystem hrfs = <strong class="jxr_keyword">new</strong> HRegionFileSystem(
+<a class="jxr_linenumber" name="248" href="#248">248</a> TEST_UTIL.getConfiguration(), fs, tabledir, mergedRegionInfo);
+<a class="jxr_linenumber" name="249" href="#249">249</a> <strong class="jxr_keyword">int</strong> count = 0;
+<a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">for</strong>(HColumnDescriptor colFamily : columnFamilies) {
+<a class="jxr_linenumber" name="251" href="#251">251</a> count += hrfs.getStoreFiles(colFamily.getName()).size();
+<a class="jxr_linenumber" name="252" href="#252">252</a> }
+<a class="jxr_linenumber" name="253" href="#253">253</a> ADMIN.compactRegion(mergedRegionInfo.getRegionName());
+<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_comment">// clean up the merged region store files</em>
+<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_comment">// wait until merged region have reference file</em>
+<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">long</strong> timeout = System.currentTimeMillis() + waitTime;
+<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">int</strong> newcount = 0;
+<a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() < timeout) {
+<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">for</strong>(HColumnDescriptor colFamily : columnFamilies) {
+<a class="jxr_linenumber" name="260" href="#260">260</a> newcount += hrfs.getStoreFiles(colFamily.getName()).size();
+<a class="jxr_linenumber" name="261" href="#261">261</a> }
+<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">if</strong>(newcount > count) {
+<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="264" href="#264">264</a> }
+<a class="jxr_linenumber" name="265" href="#265">265</a> Thread.sleep(50);
+<a class="jxr_linenumber" name="266" href="#266">266</a> }
+<a class="jxr_linenumber" name="267" href="#267">267</a> assertTrue(newcount > count);
+<a class="jxr_linenumber" name="268" href="#268">268</a> List<RegionServerThread> regionServerThreads = TEST_UTIL.getHBaseCluster()
+<a class="jxr_linenumber" name="269" href="#269">269</a> .getRegionServerThreads();
+<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">for</strong> (RegionServerThread rs : regionServerThreads) {
+<a class="jxr_linenumber" name="271" href="#271">271</a> CompactedHFilesDischarger cleaner = <strong class="jxr_keyword">new</strong> CompactedHFilesDischarger(100, <strong class="jxr_keyword">null</strong>,
+<a class="jxr_linenumber" name="272" href="#272">272</a> rs.getRegionServer(), false);
+<a class="jxr_linenumber" name="273" href="#273">273</a> cleaner.chore();
+<a class="jxr_linenumber" name="274" href="#274">274</a> Thread.sleep(1000);
+<a class="jxr_linenumber" name="275" href="#275">275</a> }
+<a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() < timeout) {
+<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">int</strong> newcount1 = 0;
+<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">for</strong>(HColumnDescriptor colFamily : columnFamilies) {
+<a class="jxr_linenumber" name="279" href="#279">279</a> newcount1 += hrfs.getStoreFiles(colFamily.getName()).size();
+<a class="jxr_linenumber" name="280" href="#280">280</a> }
+<a class="jxr_linenumber" name="281" href="#281">281</a> <strong class="jxr_keyword">if</strong>(newcount1 <= 1) {
+<a class="jxr_linenumber" name="282" href="#282">282</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="283" href="#283">283</a> }
+<a class="jxr_linenumber" name="284" href="#284">284</a> Thread.sleep(50);
+<a class="jxr_linenumber" name="285" href="#285">285</a> }
+<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_comment">// run CatalogJanitor to clean merge references in hbase:meta and archive the</em>
+<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_comment">// files of merging regions</em>
+<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">int</strong> cleaned = 0;
+<a class="jxr_linenumber" name="289" href="#289">289</a> <strong class="jxr_keyword">while</strong> (cleaned == 0) {
+<a class="jxr_linenumber" name="290" href="#290">290</a> cleaned = ADMIN.runCatalogScan();
+<a class="jxr_linenumber" name="291" href="#291">291</a> LOG.debug(<span class="jxr_string">"catalog janitor returned "</span> + cleaned);
+<a class="jxr_linenumber" name="292" href="#292">292</a> Thread.sleep(50);
+<a class="jxr_linenumber" name="293" href="#293">293</a> }
+<a class="jxr_linenumber" name="294" href="#294">294</a> assertFalse(regionAdir.toString(), fs.exists(regionAdir));
+<a class="jxr_linenumber" name="295" href="#295">295</a> assertFalse(regionBdir.toString(), fs.exists(regionBdir));
+<a class="jxr_linenumber" name="296" href="#296">296</a> assertTrue(cleaned > 0);
+<a class="jxr_linenumber" name="297" href="#297">297</a>
+<a class="jxr_linenumber" name="298" href="#298">298</a> mergedRegionResult = MetaTableAccessor.getRegionResult(
+<a class="jxr_linenumber" name="299" href="#299">299</a> TEST_UTIL.getConnection(), mergedRegionInfo.getRegionName());
+<a class="jxr_linenumber" name="300" href="#300">300</a> assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
+<a class="jxr_linenumber" name="301" href="#301">301</a> HConstants.MERGEA_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="302" href="#302">302</a> assertFalse(mergedRegionResult.getValue(HConstants.CATALOG_FAMILY,
+<a class="jxr_linenumber" name="303" href="#303">303</a> HConstants.MERGEB_QUALIFIER) != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="304" href="#304">304</a>
+<a class="jxr_linenumber" name="305" href="#305">305</a> } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="306" href="#306">306</a> ADMIN.enableCatalogJanitor(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="307" href="#307">307</a> }
+<a class="jxr_linenumber" name="308" href="#308">308</a> }
+<a class="jxr_linenumber" name="309" href="#309">309</a>
+<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> <em class="jxr_javadoccomment"> * This test tests 1, merging region not online;</em>
+<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * 2, merging same two regions; 3, merging unknown regions.</em>
+<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * They are in one test case so that we don't have to create</em>
+<a class="jxr_linenumber" name="314" href="#314">314</a> <em class="jxr_javadoccomment"> * many tables, and these tests are simple.</em>
+<a class="jxr_linenumber" name="315" href="#315">315</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="316" href="#316">316</a> @Test
+<a class="jxr_linenumber" name="317" href="#317">317</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMerge() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="318" href="#318">318</a> LOG.info(<span class="jxr_string">"Starting testMerge"</span>);
+<a class="jxr_linenumber" name="319" href="#319">319</a> <strong class="jxr_keyword">final</strong> TableName tableName = TableName.valueOf(<span class="jxr_string">"testMerge"</span>);
+<a class="jxr_linenumber" name="320" href="#320">320</a>
+<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_comment">// Create table and load data.</em>
+<a class="jxr_linenumber" name="323" href="#323">323</a> Table table = createTableAndLoadData(MASTER, tableName);
+<a class="jxr_linenumber" name="324" href="#324">324</a> RegionStates regionStates = MASTER.getAssignmentManager().getRegionStates();
+<a class="jxr_linenumber" name="325" href="#325">325</a> List<HRegionInfo> regions = regionStates.getRegionsOfTable(tableName);
+<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_comment">// Fake offline one region</em>
+<a class="jxr_linenumber" name="327" href="#327">327</a> HRegionInfo a = regions.get(0);
+<a class="jxr_linenumber" name="328" href="#328">328</a> HRegionInfo b = regions.get(1);
+<a class="jxr_linenumber" name="329" href="#329">329</a> regionStates.regionOffline(a);
+<a class="jxr_linenumber" name="330" href="#330">330</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_comment">// Merge offline region. Region a is offline here</em>
+<a class="jxr_linenumber" name="332" href="#332">332</a> ADMIN.mergeRegions(a.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), false);
+<a class="jxr_linenumber" name="333" href="#333">333</a> fail(<span class="jxr_string">"Offline regions should not be able to merge"</span>);
+<a class="jxr_linenumber" name="334" href="#334">334</a> } <strong class="jxr_keyword">catch</strong> (IOException ie) {
+<a class="jxr_linenumber" name="335" href="#335">335</a> System.out.println(ie);
+<a class="jxr_linenumber" name="336" href="#336">336</a> assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
+<a class="jxr_linenumber" name="337" href="#337">337</a> StringUtils.stringifyException(ie).contains(<span class="jxr_string">"regions not online"</span>)
+<a class="jxr_linenumber" name="338" href="#338">338</a> && ie instanceof MergeRegionException);
+<a class="jxr_linenumber" name="339" href="#339">339</a> }
+<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="341" href="#341">341</a> <em class="jxr_comment">// Merge the same region: b and b.</em>
+<a class="jxr_linenumber" name="342" href="#342">342</a> ADMIN.mergeRegions(b.getEncodedNameAsBytes(), b.getEncodedNameAsBytes(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="343" href="#343">343</a> fail(<span class="jxr_string">"A region should not be able to merge with itself, even forcifully"</span>);
+<a class="jxr_linenumber" name="344" href="#344">344</a> } <strong class="jxr_keyword">catch</strong> (IOException ie) {
+<a class="jxr_linenumber" name="345" href="#345">345</a> assertTrue(<span class="jxr_string">"Exception should mention regions not online"</span>,
+<a class="jxr_linenumber" name="346" href="#346">346</a> StringUtils.stringifyException(ie).contains(<span class="jxr_string">"region to itself"</span>)
+<a class="jxr_linenumber" name="347" href="#347">347</a> && ie instanceof MergeRegionException);
+<a class="jxr_linenumber" name="348" href="#348">348</a> }
+<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="350" href="#350">350</a> <em class="jxr_comment">// Merge unknown regions</em>
+<a class="jxr_linenumber" name="351" href="#351">351</a> ADMIN.mergeRegions(Bytes.toBytes(<span class="jxr_string">"-f1"</span>), Bytes.toBytes(<span class="jxr_string">"-f2"</span>), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="352" href="#352">352</a> fail(<span class="jxr_string">"Unknown region could not be merged"</span>);
+<a class="jxr_linenumber" name="353" href="#353">353</a> } <strong class="jxr_keyword">catch</strong> (IOException ie) {
+<a class="jxr_linenumber" name="354" href="#354">354</a> assertTrue(<span class="jxr_string">"UnknownRegionException should be thrown"</span>,
+<a class="jxr_linenumber" name="355" href="#355">355</a> ie instanceof UnknownRegionException);
+<a class="jxr_linenumber" name="356" href="#356">356</a> }
+<a class="jxr_linenumber" name="357" href="#357">357</a> table.close();
+<a class="jxr_linenumber" name="358" href="#358">358</a> } <strong class="jxr_keyword">finally</strong> {
+<a clas
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