http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a3fb6d74/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html index f1a9085..3857e1b 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMetaWithReplicas.html @@ -35,462 +35,485 @@ <span class="sourceLineNo">027</span>import java.util.Arrays;<a name="line.27"></a> <span class="sourceLineNo">028</span>import java.util.Collection;<a name="line.28"></a> <span class="sourceLineNo">029</span>import java.util.EnumSet;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.List;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.concurrent.ExecutorService;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.conf.Configuration;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.Abortable;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HConstants;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.ServerName;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableName;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.Waiter;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.util.HBaseFsckRepair;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.hbck.HbckTestingUtil;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.zookeeper.KeeperException;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.junit.After;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.junit.Before;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.junit.ClassRule;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.junit.Ignore;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.junit.Rule;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.junit.Test;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.junit.experimental.categories.Category;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.junit.rules.TestName;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.slf4j.Logger;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.slf4j.LoggerFactory;<a name="line.69"></a> -<span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span>/**<a name="line.71"></a> -<span class="sourceLineNo">072</span> * Tests the scenarios where replicas are enabled for the meta table<a name="line.72"></a> -<span class="sourceLineNo">073</span> */<a name="line.73"></a> -<span class="sourceLineNo">074</span>@Category(LargeTests.class)<a name="line.74"></a> -<span class="sourceLineNo">075</span>public class TestMetaWithReplicas {<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span> @ClassRule<a name="line.77"></a> -<span class="sourceLineNo">078</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.78"></a> -<span class="sourceLineNo">079</span> HBaseClassTestRule.forClass(TestMetaWithReplicas.class);<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> -<span class="sourceLineNo">081</span> private static final Logger LOG = LoggerFactory.getLogger(TestMetaWithReplicas.class);<a name="line.81"></a> -<span class="sourceLineNo">082</span> private final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.82"></a> +<span class="sourceLineNo">030</span>import java.util.HashSet;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.Set;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import java.util.concurrent.ExecutorService;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.conf.Configuration;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.Abortable;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ClusterMetrics.Option;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.ServerName;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.TableName;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.Waiter;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.master.NoSuchProcedureException;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.master.assignment.AssignmentManager;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.util.HBaseFsck;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.util.HBaseFsck.ErrorReporter.ERROR_CODE;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.util.HBaseFsckRepair;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.util.hbck.HbckTestingUtil;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.zookeeper.LoadBalancerTracker;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.zookeeper.KeeperException;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.junit.After;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.junit.Before;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.junit.ClassRule;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.junit.Ignore;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.junit.Rule;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.junit.Test;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.junit.experimental.categories.Category;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.junit.rules.TestName;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.slf4j.Logger;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.slf4j.LoggerFactory;<a name="line.72"></a> +<span class="sourceLineNo">073</span><a name="line.73"></a> +<span class="sourceLineNo">074</span>/**<a name="line.74"></a> +<span class="sourceLineNo">075</span> * Tests the scenarios where replicas are enabled for the meta table<a name="line.75"></a> +<span class="sourceLineNo">076</span> */<a name="line.76"></a> +<span class="sourceLineNo">077</span>@Category(LargeTests.class)<a name="line.77"></a> +<span class="sourceLineNo">078</span>public class TestMetaWithReplicas {<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span> @ClassRule<a name="line.80"></a> +<span class="sourceLineNo">081</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.81"></a> +<span class="sourceLineNo">082</span> HBaseClassTestRule.forClass(TestMetaWithReplicas.class);<a name="line.82"></a> <span class="sourceLineNo">083</span><a name="line.83"></a> -<span class="sourceLineNo">084</span> @Rule<a name="line.84"></a> -<span class="sourceLineNo">085</span> public TestName name = new TestName();<a name="line.85"></a> -<span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> @Before<a name="line.87"></a> -<span class="sourceLineNo">088</span> public void setup() throws Exception {<a name="line.88"></a> -<span class="sourceLineNo">089</span> TEST_UTIL.getConfiguration().setInt("zookeeper.session.timeout", 30000);<a name="line.89"></a> -<span class="sourceLineNo">090</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 3);<a name="line.90"></a> -<span class="sourceLineNo">091</span> TEST_UTIL.getConfiguration().setInt(<a name="line.91"></a> -<span class="sourceLineNo">092</span> StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);<a name="line.92"></a> -<span class="sourceLineNo">093</span> TEST_UTIL.startMiniCluster(3);<a name="line.93"></a> -<span class="sourceLineNo">094</span> // disable the balancer<a name="line.94"></a> -<span class="sourceLineNo">095</span> LoadBalancerTracker l = new LoadBalancerTracker(TEST_UTIL.getZooKeeperWatcher(),<a name="line.95"></a> -<span class="sourceLineNo">096</span> new Abortable() {<a name="line.96"></a> -<span class="sourceLineNo">097</span> AtomicBoolean aborted = new AtomicBoolean(false);<a name="line.97"></a> -<span class="sourceLineNo">098</span> @Override<a name="line.98"></a> -<span class="sourceLineNo">099</span> public boolean isAborted() {<a name="line.99"></a> -<span class="sourceLineNo">100</span> return aborted.get();<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span> @Override<a name="line.102"></a> -<span class="sourceLineNo">103</span> public void abort(String why, Throwable e) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> aborted.set(true);<a name="line.104"></a> -<span class="sourceLineNo">105</span> }<a name="line.105"></a> -<span class="sourceLineNo">106</span> });<a name="line.106"></a> -<span class="sourceLineNo">107</span> l.setBalancerOn(false);<a name="line.107"></a> -<span class="sourceLineNo">108</span> for (int replicaId = 1; replicaId < 3; replicaId ++) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> RegionInfo h = RegionReplicaUtil.getRegionInfoForReplica(RegionInfoBuilder.FIRST_META_REGIONINFO,<a name="line.109"></a> -<span class="sourceLineNo">110</span> replicaId);<a name="line.110"></a> -<span class="sourceLineNo">111</span> try {<a name="line.111"></a> -<span class="sourceLineNo">112</span> TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager().waitForAssignment(h);<a name="line.112"></a> -<span class="sourceLineNo">113</span> } catch (NoSuchProcedureException e) {<a name="line.113"></a> -<span class="sourceLineNo">114</span> LOG.info("Presume the procedure has been cleaned up so just proceed: " + e.toString());<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<a name="line.115"></a> -<span class="sourceLineNo">116</span> }<a name="line.116"></a> -<span class="sourceLineNo">117</span> LOG.debug("All meta replicas assigned");<a name="line.117"></a> -<span class="sourceLineNo">118</span> }<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> @After<a name="line.120"></a> -<span class="sourceLineNo">121</span> public void tearDown() throws Exception {<a name="line.121"></a> -<span class="sourceLineNo">122</span> TEST_UTIL.shutdownMiniCluster();<a name="line.122"></a> -<span class="sourceLineNo">123</span> }<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> @Test<a name="line.125"></a> -<span class="sourceLineNo">126</span> public void testMetaHTDReplicaCount() throws Exception {<a name="line.126"></a> -<span class="sourceLineNo">127</span> assertTrue(TEST_UTIL.getAdmin().getTableDescriptor(TableName.META_TABLE_NAME)<a name="line.127"></a> -<span class="sourceLineNo">128</span> .getRegionReplication() == 3);<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> @Test<a name="line.131"></a> -<span class="sourceLineNo">132</span> public void testZookeeperNodesForReplicas() throws Exception {<a name="line.132"></a> -<span class="sourceLineNo">133</span> // Checks all the znodes exist when meta's replicas are enabled<a name="line.133"></a> -<span class="sourceLineNo">134</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.134"></a> -<span class="sourceLineNo">135</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.135"></a> -<span class="sourceLineNo">136</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.136"></a> -<span class="sourceLineNo">137</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.137"></a> -<span class="sourceLineNo">138</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.138"></a> -<span class="sourceLineNo">139</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.139"></a> -<span class="sourceLineNo">140</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.140"></a> -<span class="sourceLineNo">141</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.141"></a> -<span class="sourceLineNo">142</span> ProtobufUtil.toServerName(data);<a name="line.142"></a> -<span class="sourceLineNo">143</span> for (int i = 1; i < 3; i++) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> String secZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.144"></a> -<span class="sourceLineNo">145</span> conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);<a name="line.145"></a> -<span class="sourceLineNo">146</span> String str = zkw.znodePaths.getZNodeForReplica(i);<a name="line.146"></a> -<span class="sourceLineNo">147</span> assertTrue(str.equals(secZnode));<a name="line.147"></a> -<span class="sourceLineNo">148</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.148"></a> -<span class="sourceLineNo">149</span> data = ZKUtil.getData(zkw, secZnode);<a name="line.149"></a> -<span class="sourceLineNo">150</span> ProtobufUtil.toServerName(data);<a name="line.150"></a> -<span class="sourceLineNo">151</span> }<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span><a name="line.153"></a> -<span class="sourceLineNo">154</span> @Test<a name="line.154"></a> -<span class="sourceLineNo">155</span> public void testShutdownHandling() throws Exception {<a name="line.155"></a> -<span class="sourceLineNo">156</span> // This test creates a table, flushes the meta (with 3 replicas), kills the<a name="line.156"></a> -<span class="sourceLineNo">157</span> // server holding the primary meta replica. Then it does a put/get into/from<a name="line.157"></a> -<span class="sourceLineNo">158</span> // the test table. The put/get operations would use the replicas to locate the<a name="line.158"></a> -<span class="sourceLineNo">159</span> // location of the test table's region<a name="line.159"></a> -<span class="sourceLineNo">160</span> shutdownMetaAndDoValidations(TEST_UTIL);<a name="line.160"></a> -<span class="sourceLineNo">161</span> }<a name="line.161"></a> -<span class="sourceLineNo">162</span><a name="line.162"></a> -<span class="sourceLineNo">163</span> public static void shutdownMetaAndDoValidations(HBaseTestingUtility util) throws Exception {<a name="line.163"></a> -<span class="sourceLineNo">164</span> // This test creates a table, flushes the meta (with 3 replicas), kills the<a name="line.164"></a> -<span class="sourceLineNo">165</span> // server holding the primary meta replica. Then it does a put/get into/from<a name="line.165"></a> -<span class="sourceLineNo">166</span> // the test table. The put/get operations would use the replicas to locate the<a name="line.166"></a> -<span class="sourceLineNo">167</span> // location of the test table's region<a name="line.167"></a> -<span class="sourceLineNo">168</span> ZKWatcher zkw = util.getZooKeeperWatcher();<a name="line.168"></a> -<span class="sourceLineNo">169</span> Configuration conf = util.getConfiguration();<a name="line.169"></a> -<span class="sourceLineNo">170</span> conf.setBoolean(HConstants.USE_META_REPLICAS, true);<a name="line.170"></a> -<span class="sourceLineNo">171</span><a name="line.171"></a> -<span class="sourceLineNo">172</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.172"></a> -<span class="sourceLineNo">173</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.173"></a> -<span class="sourceLineNo">174</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.174"></a> -<span class="sourceLineNo">175</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.175"></a> -<span class="sourceLineNo">176</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.176"></a> -<span class="sourceLineNo">177</span> ServerName primary = ProtobufUtil.toServerName(data);<a name="line.177"></a> -<span class="sourceLineNo">178</span> LOG.info("Primary=" + primary.toString());<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> TableName TABLE = TableName.valueOf("testShutdownHandling");<a name="line.180"></a> -<span class="sourceLineNo">181</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.181"></a> -<span class="sourceLineNo">182</span> if (util.getAdmin().tableExists(TABLE)) {<a name="line.182"></a> -<span class="sourceLineNo">183</span> util.getAdmin().disableTable(TABLE);<a name="line.183"></a> -<span class="sourceLineNo">184</span> util.getAdmin().deleteTable(TABLE);<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span> ServerName master = null;<a name="line.186"></a> -<span class="sourceLineNo">187</span> try (Connection c = ConnectionFactory.createConnection(util.getConfiguration())) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> try (Table htable = util.createTable(TABLE, FAMILIES)) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> util.getAdmin().flush(TableName.META_TABLE_NAME);<a name="line.189"></a> -<span class="sourceLineNo">190</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.190"></a> -<span class="sourceLineNo">191</span> 30000) * 6);<a name="line.191"></a> -<span class="sourceLineNo">192</span> List<RegionInfo> regions = MetaTableAccessor.getTableRegions(c, TABLE);<a name="line.192"></a> -<span class="sourceLineNo">193</span> HRegionLocation hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.193"></a> -<span class="sourceLineNo">194</span> // Ensure that the primary server for test table is not the same one as the primary<a name="line.194"></a> -<span class="sourceLineNo">195</span> // of the meta region since we will be killing the srv holding the meta's primary...<a name="line.195"></a> -<span class="sourceLineNo">196</span> // We want to be able to write to the test table even when the meta is not present ..<a name="line.196"></a> -<span class="sourceLineNo">197</span> // If the servers are the same, then move the test table's region out of the server<a name="line.197"></a> -<span class="sourceLineNo">198</span> // to another random server<a name="line.198"></a> -<span class="sourceLineNo">199</span> if (hrl.getServerName().equals(primary)) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> util.getAdmin().move(hrl.getRegionInfo().getEncodedNameAsBytes(), null);<a 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util.getHBaseClusterInterface().getClusterMetrics().getMasterName();<a name="line.210"></a> -<span class="sourceLineNo">211</span> // kill the master so that regionserver recovery is not triggered at all<a name="line.211"></a> -<span class="sourceLineNo">212</span> // for the meta server<a name="line.212"></a> -<span class="sourceLineNo">213</span> LOG.info("Stopping master=" + master.toString());<a name="line.213"></a> -<span class="sourceLineNo">214</span> util.getHBaseClusterInterface().stopMaster(master);<a name="line.214"></a> -<span class="sourceLineNo">215</span> util.getHBaseClusterInterface().waitForMasterToStop(master, 60000);<a name="line.215"></a> -<span class="sourceLineNo">216</span> LOG.info("Master stopped!");<a name="line.216"></a> -<span class="sourceLineNo">217</span> if (!master.equals(primary)) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> util.getHBaseClusterInterface().killRegionServer(primary);<a name="line.218"></a> -<span class="sourceLineNo">219</span> util.getHBaseClusterInterface().waitForRegionServerToStop(primary, 60000);<a name="line.219"></a> -<span class="sourceLineNo">220</span> }<a name="line.220"></a> -<span class="sourceLineNo">221</span> ((ClusterConnection)c).clearRegionCache();<a name="line.221"></a> -<span class="sourceLineNo">222</span> }<a name="line.222"></a> -<span class="sourceLineNo">223</span> LOG.info("Running GETs");<a name="line.223"></a> -<span class="sourceLineNo">224</span> Get get = null;<a name="line.224"></a> -<span class="sourceLineNo">225</span> Result r = null;<a name="line.225"></a> -<span class="sourceLineNo">226</span> byte[] row = "test".getBytes();<a name="line.226"></a> -<span class="sourceLineNo">227</span> try (Table htable = c.getTable(TABLE)) {<a name="line.227"></a> -<span class="sourceLineNo">228</span> Put put = new Put(row);<a name="line.228"></a> -<span class="sourceLineNo">229</span> put.addColumn("foo".getBytes(), row, row);<a name="line.229"></a> -<span class="sourceLineNo">230</span> BufferedMutator m = c.getBufferedMutator(TABLE);<a name="line.230"></a> -<span class="sourceLineNo">231</span> m.mutate(put);<a name="line.231"></a> -<span class="sourceLineNo">232</span> m.flush();<a name="line.232"></a> -<span class="sourceLineNo">233</span> // Try to do a get of the row that was just put<a name="line.233"></a> -<span class="sourceLineNo">234</span> get = new Get(row);<a name="line.234"></a> -<span class="sourceLineNo">235</span> r = htable.get(get);<a name="line.235"></a> -<span class="sourceLineNo">236</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.236"></a> -<span class="sourceLineNo">237</span> // now start back the killed servers and disable use of replicas. That would mean<a name="line.237"></a> -<span class="sourceLineNo">238</span> // calls go to the primary<a name="line.238"></a> -<span class="sourceLineNo">239</span> LOG.info("Starting Master");<a name="line.239"></a> -<span class="sourceLineNo">240</span> util.getHBaseClusterInterface().startMaster(master.getHostname(), 0);<a name="line.240"></a> -<span class="sourceLineNo">241</span> util.getHBaseClusterInterface().startRegionServer(primary.getHostname(), 0);<a name="line.241"></a> -<span class="sourceLineNo">242</span> util.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.242"></a> -<span class="sourceLineNo">243</span> LOG.info("Master active!");<a name="line.243"></a> +<span class="sourceLineNo">084</span> private static final Logger LOG = LoggerFactory.getLogger(TestMetaWithReplicas.class);<a name="line.84"></a> +<span class="sourceLineNo">085</span> private final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.85"></a> +<span class="sourceLineNo">086</span> private static final int REGIONSERVERS_COUNT = 3;<a name="line.86"></a> +<span class="sourceLineNo">087</span><a name="line.87"></a> +<span class="sourceLineNo">088</span> @Rule<a name="line.88"></a> +<span class="sourceLineNo">089</span> public TestName name = new TestName();<a name="line.89"></a> +<span class="sourceLineNo">090</span><a name="line.90"></a> +<span class="sourceLineNo">091</span> @Before<a name="line.91"></a> +<span class="sourceLineNo">092</span> public void setup() throws Exception {<a name="line.92"></a> +<span class="sourceLineNo">093</span> TEST_UTIL.getConfiguration().setInt("zookeeper.session.timeout", 30000);<a name="line.93"></a> +<span class="sourceLineNo">094</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM, 3);<a name="line.94"></a> +<span class="sourceLineNo">095</span> TEST_UTIL.getConfiguration().setInt(<a name="line.95"></a> +<span class="sourceLineNo">096</span> StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD, 1000);<a name="line.96"></a> +<span class="sourceLineNo">097</span> TEST_UTIL.startMiniCluster(REGIONSERVERS_COUNT);<a name="line.97"></a> +<span class="sourceLineNo">098</span> AssignmentManager am = TEST_UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();<a name="line.98"></a> +<span class="sourceLineNo">099</span> Set<ServerName> sns = new HashSet<ServerName>();<a name="line.99"></a> +<span class="sourceLineNo">100</span> for (int replicaId = 0; replicaId < 3; replicaId ++) {<a name="line.100"></a> +<span class="sourceLineNo">101</span> RegionInfo h =<a name="line.101"></a> +<span class="sourceLineNo">102</span> RegionReplicaUtil.getRegionInfoForReplica(RegionInfoBuilder.FIRST_META_REGIONINFO,<a name="line.102"></a> +<span class="sourceLineNo">103</span> replicaId);<a name="line.103"></a> +<span class="sourceLineNo">104</span> try {<a name="line.104"></a> +<span class="sourceLineNo">105</span> am.waitForAssignment(h);<a name="line.105"></a> +<span class="sourceLineNo">106</span> ServerName sn = am.getRegionStates().getRegionServerOfRegion(h);<a name="line.106"></a> +<span class="sourceLineNo">107</span> LOG.info(h.getRegionNameAsString() + " on " + sn);<a name="line.107"></a> +<span class="sourceLineNo">108</span> sns.add(sn);<a name="line.108"></a> +<span class="sourceLineNo">109</span> } catch (NoSuchProcedureException e) {<a name="line.109"></a> +<span class="sourceLineNo">110</span> LOG.info("Presume the procedure has been cleaned up so just proceed: " + e.toString());<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> // Fun. All meta region replicas have ended up on the one server. This will cause this test<a name="line.113"></a> +<span class="sourceLineNo">114</span> // to fail ... sometimes.<a name="line.114"></a> +<span class="sourceLineNo">115</span> if (sns.size() == 1) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> LOG.warn("All hbase:meta replicas are on the one server; moving hbase:meta");<a name="line.116"></a> +<span class="sourceLineNo">117</span> int metaServerIndex = TEST_UTIL.getHBaseCluster().getServerWithMeta();<a name="line.117"></a> +<span class="sourceLineNo">118</span> int newServerIndex = (metaServerIndex + 1) % REGIONSERVERS_COUNT;<a name="line.118"></a> +<span class="sourceLineNo">119</span> ServerName destinationServerName =<a name="line.119"></a> +<span class="sourceLineNo">120</span> TEST_UTIL.getHBaseCluster().getRegionServer(newServerIndex).getServerName();<a name="line.120"></a> +<span class="sourceLineNo">121</span> TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes(),<a name="line.121"></a> +<span class="sourceLineNo">122</span> Bytes.toBytes(destinationServerName.toString()));<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<a name="line.123"></a> +<span class="sourceLineNo">124</span> // Disable the balancer<a name="line.124"></a> +<span class="sourceLineNo">125</span> LoadBalancerTracker l = new LoadBalancerTracker(TEST_UTIL.getZooKeeperWatcher(),<a name="line.125"></a> +<span class="sourceLineNo">126</span> new Abortable() {<a name="line.126"></a> +<span class="sourceLineNo">127</span> AtomicBoolean aborted = new AtomicBoolean(false);<a name="line.127"></a> +<span class="sourceLineNo">128</span> @Override<a name="line.128"></a> +<span class="sourceLineNo">129</span> public boolean isAborted() {<a name="line.129"></a> +<span class="sourceLineNo">130</span> return aborted.get();<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span> @Override<a name="line.132"></a> +<span class="sourceLineNo">133</span> public void abort(String why, Throwable e) {<a name="line.133"></a> +<span class="sourceLineNo">134</span> aborted.set(true);<a name="line.134"></a> +<span class="sourceLineNo">135</span> }<a name="line.135"></a> +<span class="sourceLineNo">136</span> });<a name="line.136"></a> +<span class="sourceLineNo">137</span> l.setBalancerOn(false);<a name="line.137"></a> +<span class="sourceLineNo">138</span> LOG.debug("All meta replicas assigned");<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> @After<a name="line.141"></a> +<span class="sourceLineNo">142</span> public void tearDown() throws Exception {<a name="line.142"></a> +<span class="sourceLineNo">143</span> TEST_UTIL.shutdownMiniCluster();<a name="line.143"></a> +<span class="sourceLineNo">144</span> }<a name="line.144"></a> +<span class="sourceLineNo">145</span><a name="line.145"></a> +<span class="sourceLineNo">146</span> @Test<a name="line.146"></a> +<span class="sourceLineNo">147</span> public void testMetaHTDReplicaCount() throws Exception {<a name="line.147"></a> +<span class="sourceLineNo">148</span> assertTrue(TEST_UTIL.getAdmin().getTableDescriptor(TableName.META_TABLE_NAME)<a name="line.148"></a> +<span class="sourceLineNo">149</span> .getRegionReplication() == 3);<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> @Test<a name="line.152"></a> +<span class="sourceLineNo">153</span> public void testZookeeperNodesForReplicas() throws Exception {<a name="line.153"></a> +<span class="sourceLineNo">154</span> // Checks all the znodes exist when meta's replicas are enabled<a name="line.154"></a> +<span class="sourceLineNo">155</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.155"></a> +<span class="sourceLineNo">156</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.156"></a> +<span class="sourceLineNo">157</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.157"></a> +<span class="sourceLineNo">158</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.158"></a> +<span class="sourceLineNo">159</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.159"></a> +<span class="sourceLineNo">160</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.160"></a> +<span class="sourceLineNo">161</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.161"></a> +<span class="sourceLineNo">162</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.162"></a> +<span class="sourceLineNo">163</span> ProtobufUtil.toServerName(data);<a name="line.163"></a> +<span class="sourceLineNo">164</span> for (int i = 1; i < 3; i++) {<a name="line.164"></a> +<span class="sourceLineNo">165</span> String secZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.165"></a> +<span class="sourceLineNo">166</span> conf.get("zookeeper.znode.metaserver", "meta-region-server") + "-" + i);<a name="line.166"></a> +<span class="sourceLineNo">167</span> String str = zkw.znodePaths.getZNodeForReplica(i);<a name="line.167"></a> +<span class="sourceLineNo">168</span> assertTrue(str.equals(secZnode));<a name="line.168"></a> +<span class="sourceLineNo">169</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.169"></a> +<span class="sourceLineNo">170</span> data = ZKUtil.getData(zkw, secZnode);<a name="line.170"></a> +<span class="sourceLineNo">171</span> ProtobufUtil.toServerName(data);<a name="line.171"></a> +<span class="sourceLineNo">172</span> }<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> @Test<a name="line.175"></a> +<span class="sourceLineNo">176</span> public void testShutdownHandling() throws Exception {<a name="line.176"></a> +<span class="sourceLineNo">177</span> // This test creates a table, flushes the meta (with 3 replicas), kills the<a name="line.177"></a> +<span class="sourceLineNo">178</span> // server holding the primary meta replica. 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Then it does a put/get into/from<a name="line.186"></a> +<span class="sourceLineNo">187</span> // the test table. 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conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.196"></a> +<span class="sourceLineNo">197</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.197"></a> +<span class="sourceLineNo">198</span> ServerName primary = ProtobufUtil.toServerName(data);<a name="line.198"></a> +<span class="sourceLineNo">199</span> LOG.info("Primary=" + primary.toString());<a name="line.199"></a> +<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">201</span> TableName TABLE = TableName.valueOf("testShutdownHandling");<a name="line.201"></a> +<span class="sourceLineNo">202</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.202"></a> +<span class="sourceLineNo">203</span> if (util.getAdmin().tableExists(TABLE)) {<a name="line.203"></a> +<span class="sourceLineNo">204</span> util.getAdmin().disableTable(TABLE);<a name="line.204"></a> +<span class="sourceLineNo">205</span> util.getAdmin().deleteTable(TABLE);<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span> ServerName master = null;<a name="line.207"></a> +<span class="sourceLineNo">208</span> try (Connection c = ConnectionFactory.createConnection(util.getConfiguration())) {<a name="line.208"></a> +<span class="sourceLineNo">209</span> try (Table htable = util.createTable(TABLE, FAMILIES)) {<a name="line.209"></a> +<span class="sourceLineNo">210</span> util.getAdmin().flush(TableName.META_TABLE_NAME);<a name="line.210"></a> +<span class="sourceLineNo">211</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.211"></a> +<span class="sourceLineNo">212</span> 30000) * 6);<a name="line.212"></a> +<span class="sourceLineNo">213</span> List<RegionInfo> regions = MetaTableAccessor.getTableRegions(c, TABLE);<a name="line.213"></a> +<span class="sourceLineNo">214</span> HRegionLocation hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.214"></a> +<span class="sourceLineNo">215</span> // Ensure that the primary server for test table is not the same one as the primary<a name="line.215"></a> +<span class="sourceLineNo">216</span> // of the meta region since we will be killing the srv holding the meta's primary...<a name="line.216"></a> +<span class="sourceLineNo">217</span> // We want to be able to write to the test table even when the meta is not present ..<a name="line.217"></a> +<span class="sourceLineNo">218</span> // If the servers are the same, then move the test table's region out of the server<a name="line.218"></a> +<span class="sourceLineNo">219</span> // to another random server<a name="line.219"></a> +<span class="sourceLineNo">220</span> if (hrl.getServerName().equals(primary)) {<a name="line.220"></a> +<span class="sourceLineNo">221</span> util.getAdmin().move(hrl.getRegionInfo().getEncodedNameAsBytes(), null);<a name="line.221"></a> +<span class="sourceLineNo">222</span> // wait for the move to complete<a name="line.222"></a> +<span class="sourceLineNo">223</span> do {<a name="line.223"></a> +<span class="sourceLineNo">224</span> Thread.sleep(10);<a name="line.224"></a> +<span class="sourceLineNo">225</span> hrl = MetaTableAccessor.getRegionLocation(c, regions.get(0));<a name="line.225"></a> +<span class="sourceLineNo">226</span> } while (primary.equals(hrl.getServerName()));<a name="line.226"></a> +<span class="sourceLineNo">227</span> util.getAdmin().flush(TableName.META_TABLE_NAME);<a name="line.227"></a> +<span class="sourceLineNo">228</span> Thread.sleep(conf.getInt(StorefileRefresherChore.REGIONSERVER_STOREFILE_REFRESH_PERIOD,<a name="line.228"></a> +<span class="sourceLineNo">229</span> 30000) * 3);<a name="line.229"></a> +<span class="sourceLineNo">230</span> }<a name="line.230"></a> +<span class="sourceLineNo">231</span> // Ensure all metas are not on same hbase:meta replica=0 server!<a name="line.231"></a> +<span class="sourceLineNo">232</span><a name="line.232"></a> +<span class="sourceLineNo">233</span> master = util.getHBaseClusterInterface().getClusterMetrics().getMasterName();<a name="line.233"></a> +<span class="sourceLineNo">234</span> // kill the master so that regionserver recovery is not triggered at all<a name="line.234"></a> +<span class="sourceLineNo">235</span> // for the meta server<a name="line.235"></a> +<span class="sourceLineNo">236</span> LOG.info("Stopping master=" + master.toString());<a name="line.236"></a> +<span class="sourceLineNo">237</span> util.getHBaseClusterInterface().stopMaster(master);<a name="line.237"></a> +<span class="sourceLineNo">238</span> util.getHBaseClusterInterface().waitForMasterToStop(master, 60000);<a name="line.238"></a> +<span class="sourceLineNo">239</span> LOG.info("Master " + master + " stopped!");<a name="line.239"></a> +<span class="sourceLineNo">240</span> if (!master.equals(primary)) {<a name="line.240"></a> +<span class="sourceLineNo">241</span> util.getHBaseClusterInterface().killRegionServer(primary);<a name="line.241"></a> +<span class="sourceLineNo">242</span> util.getHBaseClusterInterface().waitForRegionServerToStop(primary, 60000);<a name="line.242"></a> +<span class="sourceLineNo">243</span> }<a name="line.243"></a> <span class="sourceLineNo">244</span> ((ClusterConnection)c).clearRegionCache();<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> -<span class="sourceLineNo">246</span> conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.246"></a> -<span class="sourceLineNo">247</span> LOG.info("Running GETs no replicas");<a name="line.247"></a> -<span class="sourceLineNo">248</span> try (Table htable = c.getTable(TABLE);) {<a name="line.248"></a> -<span class="sourceLineNo">249</span> r = htable.get(get);<a name="line.249"></a> -<span class="sourceLineNo">250</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.250"></a> -<span class="sourceLineNo">251</span> }<a name="line.251"></a> -<span class="sourceLineNo">252</span> }<a name="line.252"></a> -<span class="sourceLineNo">253</span> }<a name="line.253"></a> -<span class="sourceLineNo">254</span><a name="line.254"></a> -<span class="sourceLineNo">255</span> @Test<a name="line.255"></a> -<span class="sourceLineNo">256</span> public void testMetaLookupThreadPoolCreated() throws Exception {<a name="line.256"></a> -<span class="sourceLineNo">257</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.257"></a> -<span class="sourceLineNo">258</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.258"></a> -<span class="sourceLineNo">259</span> if (TEST_UTIL.getAdmin().tableExists(tableName)) {<a name="line.259"></a> -<span class="sourceLineNo">260</span> TEST_UTIL.getAdmin().disableTable(tableName);<a name="line.260"></a> -<span class="sourceLineNo">261</span> TEST_UTIL.getAdmin().deleteTable(tableName);<a name="line.261"></a> -<span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span> try (Table htable = TEST_UTIL.createTable(tableName, FAMILIES)) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> byte[] row = "test".getBytes();<a name="line.264"></a> -<span class="sourceLineNo">265</span> ConnectionImplementation c = ((ConnectionImplementation) TEST_UTIL.getConnection());<a name="line.265"></a> -<span class="sourceLineNo">266</span> // check that metalookup pool would get created<a name="line.266"></a> -<span class="sourceLineNo">267</span> c.relocateRegion(tableName, row);<a name="line.267"></a> -<span class="sourceLineNo">268</span> ExecutorService ex = c.getCurrentMetaLookupPool();<a name="line.268"></a> -<span class="sourceLineNo">269</span> assert(ex != null);<a name="line.269"></a> -<span class="sourceLineNo">270</span> }<a name="line.270"></a> -<span class="sourceLineNo">271</span> }<a name="line.271"></a> -<span class="sourceLineNo">272</span><a name="line.272"></a> -<span class="sourceLineNo">273</span> @Ignore @Test // Uses FSCK. Needs fixing after HBASE-14614.<a name="line.273"></a> -<span class="sourceLineNo">274</span> public void testChangingReplicaCount() throws Exception {<a name="line.274"></a> -<span class="sourceLineNo">275</span> // tests changing the replica count across master restarts<a name="line.275"></a> -<span class="sourceLineNo">276</span> // reduce the replica count from 3 to 2<a name="line.276"></a> -<span class="sourceLineNo">277</span> stopMasterAndValidateReplicaCount(3, 2);<a name="line.277"></a> -<span class="sourceLineNo">278</span> // increase the replica count from 2 to 3<a name="line.278"></a> -<span class="sourceLineNo">279</span> stopMasterAndValidateReplicaCount(2, 3);<a name="line.279"></a> -<span class="sourceLineNo">280</span> }<a name="line.280"></a> -<span class="sourceLineNo">281</span><a name="line.281"></a> -<span class="sourceLineNo">282</span> private void stopMasterAndValidateReplicaCount(final int originalReplicaCount,<a name="line.282"></a> -<span class="sourceLineNo">283</span> final int newReplicaCount)<a name="line.283"></a> -<span class="sourceLineNo">284</span> throws Exception {<a name="line.284"></a> -<span class="sourceLineNo">285</span> ServerName sn = TEST_UTIL.getHBaseClusterInterface().getClusterMetrics().getMasterName();<a name="line.285"></a> -<span class="sourceLineNo">286</span> TEST_UTIL.getHBaseClusterInterface().stopMaster(sn);<a name="line.286"></a> -<span class="sourceLineNo">287</span> TEST_UTIL.getHBaseClusterInterface().waitForMasterToStop(sn, 60000);<a name="line.287"></a> -<span class="sourceLineNo">288</span> List<String> metaZnodes = TEST_UTIL.getZooKeeperWatcher().getMetaReplicaNodes();<a name="line.288"></a> -<span class="sourceLineNo">289</span> assert(metaZnodes.size() == originalReplicaCount); //we should have what was configured before<a name="line.289"></a> -<span class="sourceLineNo">290</span> TEST_UTIL.getHBaseClusterInterface().getConf().setInt(HConstants.META_REPLICAS_NUM,<a name="line.290"></a> -<span class="sourceLineNo">291</span> newReplicaCount);<a name="line.291"></a> -<span class="sourceLineNo">292</span> if (TEST_UTIL.getHBaseCluster().countServedRegions() < newReplicaCount) {<a name="line.292"></a> -<span class="sourceLineNo">293</span> TEST_UTIL.getHBaseCluster().startRegionServer();<a name="line.293"></a> -<span class="sourceLineNo">294</span> }<a name="line.294"></a> -<span class="sourceLineNo">295</span> TEST_UTIL.getHBaseClusterInterface().startMaster(sn.getHostname(), 0);<a name="line.295"></a> -<span class="sourceLineNo">296</span> TEST_UTIL.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.296"></a> -<span class="sourceLineNo">297</span> TEST_UTIL.waitFor(10000, predicateMetaHasReplicas(newReplicaCount));<a name="line.297"></a> -<span class="sourceLineNo">298</span> // also check if hbck returns without errors<a name="line.298"></a> -<span class="sourceLineNo">299</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM,<a name="line.299"></a> -<span class="sourceLineNo">300</span> newReplicaCount);<a name="line.300"></a> -<span class="sourceLineNo">301</span> HBaseFsck hbck = HbckTestingUtil.doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.301"></a> -<span class="sourceLineNo">302</span> HbckTestingUtil.assertNoErrors(hbck);<a name="line.302"></a> +<span class="sourceLineNo">246</span> LOG.info("Running GETs");<a name="line.246"></a> +<span class="sourceLineNo">247</span> Get get = null;<a name="line.247"></a> +<span class="sourceLineNo">248</span> Result r = null;<a name="line.248"></a> +<span class="sourceLineNo">249</span> byte[] row = "test".getBytes();<a name="line.249"></a> +<span class="sourceLineNo">250</span> try (Table htable = c.getTable(TABLE)) {<a name="line.250"></a> +<span class="sourceLineNo">251</span> Put put = new Put(row);<a name="line.251"></a> +<span class="sourceLineNo">252</span> put.addColumn("foo".getBytes(), row, row);<a name="line.252"></a> +<span class="sourceLineNo">253</span> BufferedMutator m = c.getBufferedMutator(TABLE);<a name="line.253"></a> +<span class="sourceLineNo">254</span> m.mutate(put);<a name="line.254"></a> +<span class="sourceLineNo">255</span> m.flush();<a name="line.255"></a> +<span class="sourceLineNo">256</span> // Try to do a get of the row that was just put<a name="line.256"></a> +<span class="sourceLineNo">257</span> get = new Get(row);<a name="line.257"></a> +<span class="sourceLineNo">258</span> r = htable.get(get);<a name="line.258"></a> +<span class="sourceLineNo">259</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.259"></a> +<span class="sourceLineNo">260</span> // now start back the killed servers and disable use of replicas. That would mean<a name="line.260"></a> +<span class="sourceLineNo">261</span> // calls go to the primary<a name="line.261"></a> +<span class="sourceLineNo">262</span> LOG.info("Starting Master");<a name="line.262"></a> +<span class="sourceLineNo">263</span> util.getHBaseClusterInterface().startMaster(master.getHostname(), 0);<a name="line.263"></a> +<span class="sourceLineNo">264</span> util.getHBaseClusterInterface().startRegionServer(primary.getHostname(), 0);<a name="line.264"></a> +<span class="sourceLineNo">265</span> util.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.265"></a> +<span class="sourceLineNo">266</span> LOG.info("Master active!");<a name="line.266"></a> +<span class="sourceLineNo">267</span> ((ClusterConnection)c).clearRegionCache();<a name="line.267"></a> +<span class="sourceLineNo">268</span> }<a name="line.268"></a> +<span class="sourceLineNo">269</span> conf.setBoolean(HConstants.USE_META_REPLICAS, false);<a name="line.269"></a> +<span class="sourceLineNo">270</span> LOG.info("Running GETs no replicas");<a name="line.270"></a> +<span class="sourceLineNo">271</span> try (Table htable = c.getTable(TABLE);) {<a name="line.271"></a> +<span class="sourceLineNo">272</span> r = htable.get(get);<a name="line.272"></a> +<span class="sourceLineNo">273</span> assertTrue(Arrays.equals(r.getRow(), row));<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span> }<a name="line.275"></a> +<span class="sourceLineNo">276</span> }<a name="line.276"></a> +<span class="sourceLineNo">277</span><a name="line.277"></a> +<span class="sourceLineNo">278</span> @Test<a name="line.278"></a> +<span class="sourceLineNo">279</span> public void testMetaLookupThreadPoolCreated() throws Exception {<a name="line.279"></a> +<span class="sourceLineNo">280</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.280"></a> +<span class="sourceLineNo">281</span> byte[][] FAMILIES = new byte[][] { Bytes.toBytes("foo") };<a name="line.281"></a> +<span class="sourceLineNo">282</span> if (TEST_UTIL.getAdmin().tableExists(tableName)) {<a name="line.282"></a> +<span class="sourceLineNo">283</span> TEST_UTIL.getAdmin().disableTable(tableName);<a name="line.283"></a> +<span class="sourceLineNo">284</span> TEST_UTIL.getAdmin().deleteTable(tableName);<a name="line.284"></a> +<span class="sourceLineNo">285</span> }<a name="line.285"></a> +<span class="sourceLineNo">286</span> try (Table htable = TEST_UTIL.createTable(tableName, FAMILIES)) {<a name="line.286"></a> +<span class="sourceLineNo">287</span> byte[] row = "test".getBytes();<a name="line.287"></a> +<span class="sourceLineNo">288</span> ConnectionImplementation c = ((ConnectionImplementation) TEST_UTIL.getConnection());<a name="line.288"></a> +<span class="sourceLineNo">289</span> // check that metalookup pool would get created<a name="line.289"></a> +<span class="sourceLineNo">290</span> c.relocateRegion(tableName, row);<a name="line.290"></a> +<span class="sourceLineNo">291</span> ExecutorService ex = c.getCurrentMetaLookupPool();<a name="line.291"></a> +<span class="sourceLineNo">292</span> assert(ex != null);<a name="line.292"></a> +<span class="sourceLineNo">293</span> }<a name="line.293"></a> +<span class="sourceLineNo">294</span> }<a name="line.294"></a> +<span class="sourceLineNo">295</span><a name="line.295"></a> +<span class="sourceLineNo">296</span> @Ignore @Test // Uses FSCK. Needs fixing after HBASE-14614.<a name="line.296"></a> +<span class="sourceLineNo">297</span> public void testChangingReplicaCount() throws Exception {<a name="line.297"></a> +<span class="sourceLineNo">298</span> // tests changing the replica count across master restarts<a name="line.298"></a> +<span class="sourceLineNo">299</span> // reduce the replica count from 3 to 2<a name="line.299"></a> +<span class="sourceLineNo">300</span> stopMasterAndValidateReplicaCount(3, 2);<a name="line.300"></a> +<span class="sourceLineNo">301</span> // increase the replica count from 2 to 3<a name="line.301"></a> +<span class="sourceLineNo">302</span> stopMasterAndValidateReplicaCount(2, 3);<a name="line.302"></a> <span class="sourceLineNo">303</span> }<a name="line.303"></a> <span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> private Waiter.ExplainingPredicate<Exception> predicateMetaHasReplicas(<a name="line.305"></a> -<span class="sourceLineNo">306</span> final int newReplicaCount) {<a name="line.306"></a> -<span class="sourceLineNo">307</span> return new Waiter.ExplainingPredicate<Exception>() {<a name="line.307"></a> -<span class="sourceLineNo">308</span> @Override<a name="line.308"></a> -<span class="sourceLineNo">309</span> public String explainFailure() throws Exception {<a name="line.309"></a> -<span class="sourceLineNo">310</span> return checkMetaLocationAndExplain(newReplicaCount);<a name="line.310"></a> -<span class="sourceLineNo">311</span> }<a name="line.311"></a> -<span class="sourceLineNo">312</span><a name="line.312"></a> -<span class="sourceLineNo">313</span> @Override<a name="line.313"></a> -<span class="sourceLineNo">314</span> public boolean evaluate() throws Exception {<a name="line.314"></a> -<span class="sourceLineNo">315</span> return checkMetaLocationAndExplain(newReplicaCount) == null;<a name="line.315"></a> -<span class="sourceLineNo">316</span> }<a name="line.316"></a> -<span class="sourceLineNo">317</span> };<a name="line.317"></a> -<span class="sourceLineNo">318</span> }<a name="line.318"></a> -<span class="sourceLineNo">319</span><a name="line.319"></a> -<span class="sourceLineNo">320</span> @Nullable<a name="line.320"></a> -<span class="sourceLineNo">321</span> private String checkMetaLocationAndExplain(int originalReplicaCount)<a name="line.321"></a> -<span class="sourceLineNo">322</span> throws KeeperException, IOException {<a name="line.322"></a> -<span class="sourceLineNo">323</span> List<String> metaZnodes = TEST_UTIL.getZooKeeperWatcher().getMetaReplicaNodes();<a name="line.323"></a> -<span class="sourceLineNo">324</span> if (metaZnodes.size() == originalReplicaCount) {<a name="line.324"></a> -<span class="sourceLineNo">325</span> RegionLocations rl = ((ClusterConnection) TEST_UTIL.getConnection())<a name="line.325"></a> -<span class="sourceLineNo">326</span> .locateRegion(TableName.META_TABLE_NAME,<a name="line.326"></a> -<span class="sourceLineNo">327</span> HConstants.EMPTY_START_ROW, false, false);<a name="line.327"></a> -<span class="sourceLineNo">328</span> for (HRegionLocation location : rl.getRegionLocations()) {<a name="line.328"></a> -<span class="sourceLineNo">329</span> if (location == null) {<a name="line.329"></a> -<span class="sourceLineNo">330</span> return "Null location found in " + rl.toString();<a name="line.330"></a> -<span class="sourceLineNo">331</span> }<a name="line.331"></a> -<span class="sourceLineNo">332</span> if (location.getRegionInfo() == null) {<a name="line.332"></a> -<span class="sourceLineNo">333</span> return "Null regionInfo for location " + location;<a name="line.333"></a> -<span class="sourceLineNo">334</span> }<a name="line.334"></a> -<span class="sourceLineNo">335</span> if (location.getHostname() == null) {<a name="line.335"></a> -<span class="sourceLineNo">336</span> return "Null hostName for location " + location;<a name="line.336"></a> -<span class="sourceLineNo">337</span> }<a name="line.337"></a> -<span class="sourceLineNo">338</span> }<a name="line.338"></a> -<span class="sourceLineNo">339</span> return null; // OK<a name="line.339"></a> -<span class="sourceLineNo">340</span> }<a name="line.340"></a> -<span class="sourceLineNo">341</span> return "Replica count is not as expected " + originalReplicaCount + " <> " + metaZnodes.size()<a name="line.341"></a> -<span class="sourceLineNo">342</span> + "(" + metaZnodes.toString() + ")";<a name="line.342"></a> -<span class="sourceLineNo">343</span> }<a name="line.343"></a> -<span class="sourceLineNo">344</span><a name="line.344"></a> -<span class="sourceLineNo">345</span> @Test<a name="line.345"></a> -<span class="sourceLineNo">346</span> public void testHBaseFsckWithMetaReplicas() throws Exception {<a name="line.346"></a> -<span class="sourceLineNo">347</span> HBaseFsck hbck = HbckTestingUtil.doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.347"></a> -<span class="sourceLineNo">348</span> HbckTestingUtil.assertNoErrors(hbck);<a name="line.348"></a> -<span class="sourceLineNo">349</span> }<a name="line.349"></a> -<span class="sourceLineNo">350</span><a name="line.350"></a> -<span class="sourceLineNo">351</span> @Ignore @Test // Disabled. Relies on FSCK which needs work for AMv2.<a name="line.351"></a> -<span class="sourceLineNo">352</span> public void testHBaseFsckWithFewerMetaReplicas() throws Exception {<a name="line.352"></a> -<span class="sourceLineNo">353</span> ClusterConnection c = (ClusterConnection)ConnectionFactory.createConnection(<a name="line.353"></a> -<span class="sourceLineNo">354</span> TEST_UTIL.getConfiguration());<a name="line.354"></a> -<span class="sourceLineNo">355</span> RegionLocations rl = c.locateRegion(TableName.META_TABLE_NAME, HConstants.EMPTY_START_ROW,<a name="line.355"></a> -<span class="sourceLineNo">356</span> false, false);<a name="line.356"></a> -<span class="sourceLineNo">357</span> HBaseFsckRepair.closeRegionSilentlyAndWait(c,<a name="line.357"></a> -<span class="sourceLineNo">358</span> rl.getRegionLocation(1).getServerName(), rl.getRegionLocation(1).getRegionInfo());<a name="line.358"></a> -<span class="sourceLineNo">359</span> // check that problem exists<a name="line.359"></a> -<span class="sourceLineNo">360</span> HBaseFsck hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.360"></a> -<span class="sourceLineNo">361</span> assertErrors(hbck, new ERROR_CODE[]{ERROR_CODE.UNKNOWN,ERROR_CODE.NO_META_REGION});<a name="line.361"></a> -<span class="sourceLineNo">362</span> // fix the problem<a name="line.362"></a> -<span class="sourceLineNo">363</span> hbck = doFsck(TEST_UTIL.getConfiguration(), true);<a name="line.363"></a> -<span class="sourceLineNo">364</span> // run hbck again to make sure we don't see any errors<a name="line.364"></a> -<span class="sourceLineNo">365</span> hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.365"></a> -<span class="sourceLineNo">366</span> assertErrors(hbck, new ERROR_CODE[]{});<a name="line.366"></a> -<span class="sourceLineNo">367</span> }<a name="line.367"></a> -<span class="sourceLineNo">368</span><a name="line.368"></a> -<span class="sourceLineNo">369</span> @Ignore @Test // The close silently doesn't work any more since HBASE-14614. Fix.<a name="line.369"></a> -<span class="sourceLineNo">370</span> public void testHBaseFsckWithFewerMetaReplicaZnodes() throws Exception {<a name="line.370"></a> -<span class="sourceLineNo">371</span> ClusterConnection c = (ClusterConnection)ConnectionFactory.createConnection(<a name="line.371"></a> -<span class="sourceLineNo">372</span> TEST_UTIL.getConfiguration());<a name="line.372"></a> -<span class="sourceLineNo">373</span> RegionLocations rl = c.locateRegion(TableName.META_TABLE_NAME, HConstants.EMPTY_START_ROW,<a name="line.373"></a> -<span class="sourceLineNo">374</span> false, false);<a name="line.374"></a> -<span class="sourceLineNo">375</span> HBaseFsckRepair.closeRegionSilentlyAndWait(c,<a name="line.375"></a> -<span class="sourceLineNo">376</span> rl.getRegionLocation(2).getServerName(), rl.getRegionLocation(2).getRegionInfo());<a name="line.376"></a> -<span class="sourceLineNo">377</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.377"></a> -<span class="sourceLineNo">378</span> ZKUtil.deleteNode(zkw, zkw.znodePaths.getZNodeForReplica(2));<a name="line.378"></a> -<span class="sourceLineNo">379</span> // check that problem exists<a name="line.379"></a> -<span class="sourceLineNo">380</span> HBaseFsck hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.380"></a> -<span class="sourceLineNo">381</span> assertErrors(hbck, new ERROR_CODE[]{ERROR_CODE.UNKNOWN,ERROR_CODE.NO_META_REGION});<a name="line.381"></a> -<span class="sourceLineNo">382</span> // fix the problem<a name="line.382"></a> -<span class="sourceLineNo">383</span> hbck = doFsck(TEST_UTIL.getConfiguration(), true);<a name="line.383"></a> -<span class="sourceLineNo">384</span> // run hbck again to make sure we don't see any errors<a name="line.384"></a> -<span class="sourceLineNo">385</span> hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.385"></a> -<span class="sourceLineNo">386</span> assertErrors(hbck, new ERROR_CODE[]{});<a name="line.386"></a> -<span class="sourceLineNo">387</span> }<a name="line.387"></a> -<span class="sourceLineNo">388</span><a name="line.388"></a> -<span class="sourceLineNo">389</span> @Test<a name="line.389"></a> -<span class="sourceLineNo">390</span> public void testAccessingUnknownTables() throws Exception {<a name="line.390"></a> -<span class="sourceLineNo">391</span> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());<a name="line.391"></a> -<span class="sourceLineNo">392</span> conf.setBoolean(HConstants.USE_META_REPLICAS, true);<a name="line.392"></a> -<span class="sourceLineNo">393</span> Table table = TEST_UTIL.getConnection().getTable(TableName.valueOf(name.getMethodName()));<a name="line.393"></a> -<span class="sourceLineNo">394</span> Get get = new Get(Bytes.toBytes("foo"));<a name="line.394"></a> -<span class="sourceLineNo">395</span> try {<a name="line.395"></a> -<span class="sourceLineNo">396</span> table.get(get);<a name="line.396"></a> -<span class="sourceLineNo">397</span> } catch (TableNotFoundException t) {<a name="line.397"></a> -<span class="sourceLineNo">398</span> return;<a name="line.398"></a> -<span class="sourceLineNo">399</span> }<a name="line.399"></a> -<span class="sourceLineNo">400</span> fail("Expected TableNotFoundException");<a name="line.400"></a> -<span class="sourceLineNo">401</span> }<a name="line.401"></a> -<span class="sourceLineNo">402</span><a name="line.402"></a> -<span class="sourceLineNo">403</span> @Test<a name="line.403"></a> -<span class="sourceLineNo">404</span> public void testMetaAddressChange() throws Exception {<a name="line.404"></a> -<span class="sourceLineNo">405</span> // checks that even when the meta's location changes, the various<a name="line.405"></a> -<span class="sourceLineNo">406</span> // caches update themselves. Uses the master operations to test<a name="line.406"></a> -<span class="sourceLineNo">407</span> // this<a name="line.407"></a> -<span class="sourceLineNo">408</span> Configuration conf = TEST_UTIL.getConfiguration();<a name="line.408"></a> -<span class="sourceLineNo">409</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.409"></a> -<span class="sourceLineNo">410</span> String baseZNode = conf.get(HConstants.ZOOKEEPER_ZNODE_PARENT,<a name="line.410"></a> -<span class="sourceLineNo">411</span> HConstants.DEFAULT_ZOOKEEPER_ZNODE_PARENT);<a name="line.411"></a> -<span class="sourceLineNo">412</span> String primaryMetaZnode = ZNodePaths.joinZNode(baseZNode,<a name="line.412"></a> -<span class="sourceLineNo">413</span> conf.get("zookeeper.znode.metaserver", "meta-region-server"));<a name="line.413"></a> -<span class="sourceLineNo">414</span> // check that the data in the znode is parseable (this would also mean the znode exists)<a name="line.414"></a> -<span class="sourceLineNo">415</span> byte[] data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.415"></a> -<span class="sourceLineNo">416</span> ServerName currentServer = ProtobufUtil.toServerName(data);<a name="line.416"></a> -<span class="sourceLineNo">417</span> Collection<ServerName> liveServers = TEST_UTIL.getAdmin()<a name="line.417"></a> -<span class="sourceLineNo">418</span> .getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS)).getLiveServerMetrics().keySet();<a name="line.418"></a> -<span class="sourceLineNo">419</span> ServerName moveToServer = null;<a name="line.419"></a> -<span class="sourceLineNo">420</span> for (ServerName s : liveServers) {<a name="line.420"></a> -<span class="sourceLineNo">421</span> if (!currentServer.equals(s)) {<a name="line.421"></a> -<span class="sourceLineNo">422</span> moveToServer = s;<a name="line.422"></a> -<span class="sourceLineNo">423</span> }<a name="line.423"></a> -<span class="sourceLineNo">424</span> }<a name="line.424"></a> -<span class="sourceLineNo">425</span> assert(moveToServer != null);<a name="line.425"></a> -<span class="sourceLineNo">426</span> final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.426"></a> -<span class="sourceLineNo">427</span> TEST_UTIL.createTable(tableName, "f");<a name="line.427"></a> -<span class="sourceLineNo">428</span> assertTrue(TEST_UTIL.getAdmin().tableExists(tableName));<a name="line.428"></a> -<span class="sourceLineNo">429</span> TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes(),<a name="line.429"></a> -<span class="sourceLineNo">430</span> Bytes.toBytes(moveToServer.getServerName()));<a name="line.430"></a> -<span class="sourceLineNo">431</span> int i = 0;<a name="line.431"></a> -<span class="sourceLineNo">432</span> assert !moveToServer.equals(currentServer);<a name="line.432"></a> -<span class="sourceLineNo">433</span> LOG.info("CurrentServer=" + currentServer + ", moveToServer=" + moveToServer);<a name="line.433"></a> -<span class="sourceLineNo">434</span> final int max = 10000;<a name="line.434"></a> -<span class="sourceLineNo">435</span> do {<a name="line.435"></a> -<span class="sourceLineNo">436</span> Thread.sleep(10);<a name="line.436"></a> -<span class="sourceLineNo">437</span> data = ZKUtil.getData(zkw, primaryMetaZnode);<a name="line.437"></a> -<span class="sourceLineNo">438</span> currentServer = ProtobufUtil.toServerName(data);<a name="line.438"></a> -<span class="sourceLineNo">439</span> i++;<a name="line.439"></a> -<span class="sourceLineNo">440</span> } while (!moveToServer.equals(currentServer) && i < max); //wait for 10 seconds overall<a name="line.440"></a> -<span class="sourceLineNo">441</span> assert(i != max);<a name="line.441"></a> -<span class="sourceLineNo">442</span> TEST_UTIL.getAdmin().disableTable(tableName);<a name="line.442"></a> -<span class="sourceLineNo">443</span> assertTrue(TEST_UTIL.getAdmin().isTableDisabled(tableName));<a name="line.443"></a> -<span class="sourceLineNo">444</span> }<a name="line.444"></a> -<span class="sourceLineNo">445</span><a name="line.445"></a> -<span class="sourceLineNo">446</span> @Test<a name="line.446"></a> -<span class="sourceLineNo">447</span> public void testShutdownOfReplicaHolder() throws Exception {<a name="line.447"></a> -<span class="sourceLineNo">448</span> // checks that the when the server holding meta replica is shut down, the meta replica<a name="line.448"></a> -<span class="sourceLineNo">449</span> // can be recovered<a name="line.449"></a> -<span class="sourceLineNo">450</span> try (ClusterConnection conn = (ClusterConnection)<a name="line.450"></a> -<span class="sourceLineNo">451</span> ConnectionFactory.createConnection(TEST_UTIL.getConfiguration())) {<a name="line.451"></a> -<span class="sourceLineNo">452</span> RegionLocations rl = conn.<a name="line.452"></a> -<span class="sourceLineNo">453</span> locateRegion(TableName.META_TABLE_NAME, Bytes.toBytes(""), false, true);<a name="line.453"></a> -<span class="sourceLineNo">454</span> HRegionLocation hrl = rl.getRegionLocation(1);<a name="line.454"></a> -<span class="sourceLineNo">455</span> ServerName oldServer = hrl.getServerName();<a name="line.455"></a> -<span class="sourceLineNo">456</span> TEST_UTIL.getHBaseClusterInterface().killRegionServer(oldServer);<a name="line.456"></a> -<span class="sourceLineNo">457</span> int i = 0;<a name="line.457"></a> -<span class="sourceLineNo">458</span> do {<a name="line.458"></a> -<span class="sourceLineNo">459</span> LOG.debug("Waiting for the replica " + hrl.getRegionInfo() + " to come up");<a name="line.459"></a> -<span class="sourceLineNo">460</span> Thread.sleep(10000); //wait for the detection/recovery<a name="line.460"></a> -<span class="sourceLineNo">461</span> rl = conn.locateRegion(TableName.META_TABLE_NAME, Bytes.toBytes(""), false, true);<a name="line.461"></a> -<span class="sourceLineNo">462</span> hrl = rl.getRegionLocation(1);<a name="line.462"></a> -<span class="sourceLineNo">463</span> i++;<a name="line.463"></a> -<span class="sourceLineNo">464</span> } while ((hrl == null || hrl.getServerName().equals(oldServer)) && i < 3);<a name="line.464"></a> -<span class="sourceLineNo">465</span> assertTrue(i != 3);<a name="line.465"></a> -<span class="sourceLineNo">466</span> }<a name="line.466"></a> +<span class="sourceLineNo">305</span> private void stopMasterAndValidateReplicaCount(final int originalReplicaCount,<a name="line.305"></a> +<span class="sourceLineNo">306</span> final int newReplicaCount)<a name="line.306"></a> +<span class="sourceLineNo">307</span> throws Exception {<a name="line.307"></a> +<span class="sourceLineNo">308</span> ServerName sn = TEST_UTIL.getHBaseClusterInterface().getClusterMetrics().getMasterName();<a name="line.308"></a> +<span class="sourceLineNo">309</span> TEST_UTIL.getHBaseClusterInterface().stopMaster(sn);<a name="line.309"></a> +<span class="sourceLineNo">310</span> TEST_UTIL.getHBaseClusterInterface().waitForMasterToStop(sn, 60000);<a name="line.310"></a> +<span class="sourceLineNo">311</span> List<String> metaZnodes = TEST_UTIL.getZooKeeperWatcher().getMetaReplicaNodes();<a name="line.311"></a> +<span class="sourceLineNo">312</span> assert(metaZnodes.size() == originalReplicaCount); //we should have what was configured before<a name="line.312"></a> +<span class="sourceLineNo">313</span> TEST_UTIL.getHBaseClusterInterface().getConf().setInt(HConstants.META_REPLICAS_NUM,<a name="line.313"></a> +<span class="sourceLineNo">314</span> newReplicaCount);<a name="line.314"></a> +<span class="sourceLineNo">315</span> if (TEST_UTIL.getHBaseCluster().countServedRegions() < newReplicaCount) {<a name="line.315"></a> +<span class="sourceLineNo">316</span> TEST_UTIL.getHBaseCluster().startRegionServer();<a name="line.316"></a> +<span class="sourceLineNo">317</span> }<a name="line.317"></a> +<span class="sourceLineNo">318</span> TEST_UTIL.getHBaseClusterInterface().startMaster(sn.getHostname(), 0);<a name="line.318"></a> +<span class="sourceLineNo">319</span> TEST_UTIL.getHBaseClusterInterface().waitForActiveAndReadyMaster();<a name="line.319"></a> +<span class="sourceLineNo">320</span> TEST_UTIL.waitFor(10000, predicateMetaHasReplicas(newReplicaCount));<a name="line.320"></a> +<span class="sourceLineNo">321</span> // also check if hbck returns without errors<a name="line.321"></a> +<span class="sourceLineNo">322</span> TEST_UTIL.getConfiguration().setInt(HConstants.META_REPLICAS_NUM,<a name="line.322"></a> +<span class="sourceLineNo">323</span> newReplicaCount);<a name="line.323"></a> +<span class="sourceLineNo">324</span> HBaseFsck hbck = HbckTestingUtil.doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.324"></a> +<span class="sourceLineNo">325</span> HbckTestingUtil.assertNoErrors(hbck);<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span><a name="line.327"></a> +<span class="sourceLineNo">328</span> private Waiter.ExplainingPredicate<Exception> predicateMetaHasReplicas(<a name="line.328"></a> +<span class="sourceLineNo">329</span> final int newReplicaCount) {<a name="line.329"></a> +<span class="sourceLineNo">330</span> return new Waiter.ExplainingPredicate<Exception>() {<a name="line.330"></a> +<span class="sourceLineNo">331</span> @Override<a name="line.331"></a> +<span class="sourceLineNo">332</span> public String explainFailure() throws Exception {<a name="line.332"></a> +<span class="sourceLineNo">333</span> return checkMetaLocationAndExplain(newReplicaCount);<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> @Override<a name="line.336"></a> +<span class="sourceLineNo">337</span> public boolean evaluate() throws Exception {<a name="line.337"></a> +<span class="sourceLineNo">338</span> return checkMetaLocationAndExplain(newReplicaCount) == null;<a name="line.338"></a> +<span class="sourceLineNo">339</span> }<a name="line.339"></a> +<span class="sourceLineNo">340</span> };<a name="line.340"></a> +<span class="sourceLineNo">341</span> }<a name="line.341"></a> +<span class="sourceLineNo">342</span><a name="line.342"></a> +<span class="sourceLineNo">343</span> @Nullable<a name="line.343"></a> +<span class="sourceLineNo">344</span> private String checkMetaLocationAndExplain(int originalReplicaCount)<a name="line.344"></a> +<span class="sourceLineNo">345</span> throws KeeperException, IOException {<a name="line.345"></a> +<span class="sourceLineNo">346</span> List<String> metaZnodes = TEST_UTIL.getZooKeeperWatcher().getMetaReplicaNodes();<a name="line.346"></a> +<span class="sourceLineNo">347</span> if (metaZnodes.size() == originalReplicaCount) {<a name="line.347"></a> +<span class="sourceLineNo">348</span> RegionLocations rl = ((ClusterConnection) TEST_UTIL.getConnection())<a name="line.348"></a> +<span class="sourceLineNo">349</span> .locateRegion(TableName.META_TABLE_NAME,<a name="line.349"></a> +<span class="sourceLineNo">350</span> HConstants.EMPTY_START_ROW, false, false);<a name="line.350"></a> +<span class="sourceLineNo">351</span> for (HRegionLocation location : rl.getRegionLocations()) {<a name="line.351"></a> +<span class="sourceLineNo">352</span> if (location == null) {<a name="line.352"></a> +<span class="sourceLineNo">353</span> return "Null location found in " + rl.toString();<a name="line.353"></a> +<span class="sourceLineNo">354</span> }<a name="line.354"></a> +<span class="sourceLineNo">355</span> if (location.getRegionInfo() == null) {<a name="line.355"></a> +<span class="sourceLineNo">356</span> return "Null regionInfo for location " + location;<a name="line.356"></a> +<span class="sourceLineNo">357</span> }<a name="line.357"></a> +<span class="sourceLineNo">358</span> if (location.getHostname() == null) {<a name="line.358"></a> +<span class="sourceLineNo">359</span> return "Null hostName for location " + location;<a name="line.359"></a> +<span class="sourceLineNo">360</span> }<a name="line.360"></a> +<span class="sourceLineNo">361</span> }<a name="line.361"></a> +<span class="sourceLineNo">362</span> return null; // OK<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span> return "Replica count is not as expected " + originalReplicaCount + " <> " + metaZnodes.size()<a name="line.364"></a> +<span class="sourceLineNo">365</span> + "(" + metaZnodes.toString() + ")";<a name="line.365"></a> +<span class="sourceLineNo">366</span> }<a name="line.366"></a> +<span class="sourceLineNo">367</span><a name="line.367"></a> +<span class="sourceLineNo">368</span> @Test<a name="line.368"></a> +<span class="sourceLineNo">369</span> public void testHBaseFsckWithMetaReplicas() throws Exception {<a name="line.369"></a> +<span class="sourceLineNo">370</span> HBaseFsck hbck = HbckTestingUtil.doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.370"></a> +<span class="sourceLineNo">371</span> HbckTestingUtil.assertNoErrors(hbck);<a name="line.371"></a> +<span class="sourceLineNo">372</span> }<a name="line.372"></a> +<span class="sourceLineNo">373</span><a name="line.373"></a> +<span class="sourceLineNo">374</span> @Ignore @Test // Disabled. Relies on FSCK which needs work for AMv2.<a name="line.374"></a> +<span class="sourceLineNo">375</span> public void testHBaseFsckWithFewerMetaReplicas() throws Exception {<a name="line.375"></a> +<span class="sourceLineNo">376</span> ClusterConnection c = (ClusterConnection)ConnectionFactory.createConnection(<a name="line.376"></a> +<span class="sourceLineNo">377</span> TEST_UTIL.getConfiguration());<a name="line.377"></a> +<span class="sourceLineNo">378</span> RegionLocations rl = c.locateRegion(TableName.META_TABLE_NAME, HConstants.EMPTY_START_ROW,<a name="line.378"></a> +<span class="sourceLineNo">379</span> false, false);<a name="line.379"></a> +<span class="sourceLineNo">380</span> HBaseFsckRepair.closeRegionSilentlyAndWait(c,<a name="line.380"></a> +<span class="sourceLineNo">381</span> rl.getRegionLocation(1).getServerName(), rl.getRegionLocation(1).getRegionInfo());<a name="line.381"></a> +<span class="sourceLineNo">382</span> // check that problem exists<a name="line.382"></a> +<span class="sourceLineNo">383</span> HBaseFsck hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.383"></a> +<span class="sourceLineNo">384</span> assertErrors(hbck, new ERROR_CODE[]{ERROR_CODE.UNKNOWN,ERROR_CODE.NO_META_REGION});<a name="line.384"></a> +<span class="sourceLineNo">385</span> // fix the problem<a name="line.385"></a> +<span class="sourceLineNo">386</span> hbck = doFsck(TEST_UTIL.getConfiguration(), true);<a name="line.386"></a> +<span class="sourceLineNo">387</span> // run hbck again to make sure we don't see any errors<a name="line.387"></a> +<span class="sourceLineNo">388</span> hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.388"></a> +<span class="sourceLineNo">389</span> assertErrors(hbck, new ERROR_CODE[]{});<a name="line.389"></a> +<span class="sourceLineNo">390</span> }<a name="line.390"></a> +<span class="sourceLineNo">391</span><a name="line.391"></a> +<span class="sourceLineNo">392</span> @Ignore @Test // The close silently doesn't work any more since HBASE-14614. Fix.<a name="line.392"></a> +<span class="sourceLineNo">393</span> public void testHBaseFsckWithFewerMetaReplicaZnodes() throws Exception {<a name="line.393"></a> +<span class="sourceLineNo">394</span> ClusterConnection c = (ClusterConnection)ConnectionFactory.createConnection(<a name="line.394"></a> +<span class="sourceLineNo">395</span> TEST_UTIL.getConfiguration());<a name="line.395"></a> +<span class="sourceLineNo">396</span> RegionLocations rl = c.locateRegion(TableName.META_TABLE_NAME, HConstants.EMPTY_START_ROW,<a name="line.396"></a> +<span class="sourceLineNo">397</span> false, false);<a name="line.397"></a> +<span class="sourceLineNo">398</span> HBaseFsckRepair.closeRegionSilentlyAndWait(c,<a name="line.398"></a> +<span class="sourceLineNo">399</span> rl.getRegionLocation(2).getServerName(), rl.getRegionLocation(2).getRegionInfo());<a name="line.399"></a> +<span class="sourceLineNo">400</span> ZKWatcher zkw = TEST_UTIL.getZooKeeperWatcher();<a name="line.400"></a> +<span class="sourceLineNo">401</span> ZKUtil.deleteNode(zkw, zkw.znodePaths.getZNodeForReplica(2));<a name="line.401"></a> +<span class="sourceLineNo">402</span> // check that problem exists<a name="line.402"></a> +<span class="sourceLineNo">403</span> HBaseFsck hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.403"></a> +<span class="sourceLineNo">404</span> assertErrors(hbck, new ERROR_CODE[]{ERROR_CODE.UNKNOWN,ERROR_CODE.NO_META_REGION});<a name="line.404"></a> +<span class="sourceLineNo">405</span> // fix the problem<a name="line.405"></a> +<span class="sourceLineNo">406</span> hbck = doFsck(TEST_UTIL.getConfiguration(), true);<a name="line.406"></a> +<span class="sourceLineNo">407</span> // run hbck again to make sure we don't see any errors<a name="line.407"></a> +<span class="sourceLineNo">408</span> hbck = doFsck(TEST_UTIL.getConfiguration(), false);<a name="line.408"></a> +<span class="sourceLineNo">409</span> assertErrors(hbck, new ERROR_CODE[]{});<a name="line.409"></a> +<span class="sourceLineNo">410</span> }<a name="line.410"></a> +<span class="sourceLineNo">411</span><a name="line.411"></a> +<span class="sourceLineNo">412</span> @Test<a name="line.412"></a> +<span class="sourceLineNo">413</span> public void testAccessingUnknownTables() throws Exception {<a name="line.413"></a> +<span class="sourceLineNo">414</span> Configuration conf = new Configuration(TEST_UTIL.getConfiguration());<a name="line.414"></a> +<span class="sourceLineNo">415</span> conf.setBoolean(HConstants.USE_META_REPLICAS, true);<a name="line.415"></a> +<span class="sourceLineNo">416</span> Table table = TEST_UTIL.getConnection().getTable(TableName.valueOf(name.getMethodName()));<a name="line.416"></a> +<span class="sourceLineNo">417</span> Get get = new Get(Bytes.toBytes("foo"));<a name="line.417"></a> +<span class="sourceLineNo">418</span> try {<a name="line.418"></a> +<span class="sourceLineNo">419</span> table.get(get);<a name="line.419"></a> +<span class="sourceLineNo">420</span> } catch (TableNotFoundException t) {<a name="line.420"></a> +<span class="sourceLineNo">421</span> return;<a name="line.421"></a> +<span class="sourceLineNo">422</span> }<a name="line.422"></a> +<span class="sourceLineNo">423</span> fail("Expected TableNotFoundException");<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span><a name="line.425"></a> +<span class="sourceLineNo">426</span> @Test<a name="line.426"></a> +<span class="sourceLineNo">427</span> public void testMetaAddressChange() throws Exception {<a name="line.427"></a> +<span class="sourceLineNo">428</span> // checks that even when the meta's location changes, the various<a name="line.428"></a> +<span class="sourceLineNo">429</span> // caches update themselves. Uses the master operations to test<a name="line.429"></a> +<span class="sourceLineNo">430</span> // th
<TRUNCATED>
