You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/03/27 14:48:29 UTC
[05/51] [partial] hbase-site git commit: Published site at
2a2258656b2fcd92b967131b6c1f037363553bc4.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0fb1fde/devapidocs/src-html/org/apache/hadoop/hbase/master/HMasterCommandLine.LocalHMaster.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMasterCommandLine.LocalHMaster.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMasterCommandLine.LocalHMaster.html
index 64b9ab5..30fe780 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/HMasterCommandLine.LocalHMaster.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/HMasterCommandLine.LocalHMaster.html
@@ -30,308 +30,309 @@
<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.commons.cli.CommandLine;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.commons.cli.GnuParser;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.commons.cli.Options;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.commons.cli.ParseException;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.LocalHBaseCluster;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.ZNodeClearer;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ZooKeeperConnectionException;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.ServerCommandLine;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.zookeeper.KeeperException;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.slf4j.Logger;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.slf4j.LoggerFactory;<a name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span>@InterfaceAudience.Private<a name="line.50"></a>
-<span class="sourceLineNo">051</span>public class HMasterCommandLine extends ServerCommandLine {<a name="line.51"></a>
-<span class="sourceLineNo">052</span> private static final Logger LOG = LoggerFactory.getLogger(HMasterCommandLine.class);<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span> private static final String USAGE =<a name="line.54"></a>
-<span class="sourceLineNo">055</span> "Usage: Master [opts] start|stop|clear\n" +<a name="line.55"></a>
-<span class="sourceLineNo">056</span> " start Start Master. If local mode, start Master and RegionServer in same JVM\n" +<a name="line.56"></a>
-<span class="sourceLineNo">057</span> " stop Start cluster shutdown; Master signals RegionServer shutdown\n" +<a name="line.57"></a>
-<span class="sourceLineNo">058</span> " clear Delete the master znode in ZooKeeper after a master crashes\n "+<a name="line.58"></a>
-<span class="sourceLineNo">059</span> " where [opts] are:\n" +<a name="line.59"></a>
-<span class="sourceLineNo">060</span> " --minRegionServers=<servers> Minimum RegionServers needed to host user tables.\n" +<a name="line.60"></a>
-<span class="sourceLineNo">061</span> " --localRegionServers=<servers> " +<a name="line.61"></a>
-<span class="sourceLineNo">062</span> "RegionServers to start in master process when in standalone mode.\n" +<a name="line.62"></a>
-<span class="sourceLineNo">063</span> " --masters=<servers> Masters to start in this process.\n" +<a name="line.63"></a>
-<span class="sourceLineNo">064</span> " --backup Master should start in backup mode";<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> private final Class<? extends HMaster> masterClass;<a name="line.66"></a>
-<span class="sourceLineNo">067</span><a name="line.67"></a>
-<span class="sourceLineNo">068</span> public HMasterCommandLine(Class<? extends HMaster> masterClass) {<a name="line.68"></a>
-<span class="sourceLineNo">069</span> this.masterClass = masterClass;<a name="line.69"></a>
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-<span class="sourceLineNo">072</span> @Override<a name="line.72"></a>
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-<span class="sourceLineNo">074</span> return USAGE;<a name="line.74"></a>
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-<span class="sourceLineNo">077</span> @Override<a name="line.77"></a>
-<span class="sourceLineNo">078</span> public int run(String args[]) throws Exception {<a name="line.78"></a>
-<span class="sourceLineNo">079</span> Options opt = new Options();<a name="line.79"></a>
-<span class="sourceLineNo">080</span> opt.addOption("localRegionServers", true,<a name="line.80"></a>
-<span class="sourceLineNo">081</span> "RegionServers to start in master process when running standalone");<a name="line.81"></a>
-<span class="sourceLineNo">082</span> opt.addOption("masters", true, "Masters to start in this process");<a name="line.82"></a>
-<span class="sourceLineNo">083</span> opt.addOption("minRegionServers", true, "Minimum RegionServers needed to host user tables");<a name="line.83"></a>
-<span class="sourceLineNo">084</span> opt.addOption("backup", false, "Do not try to become HMaster until the primary fails");<a name="line.84"></a>
-<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span> CommandLine cmd;<a name="line.86"></a>
-<span class="sourceLineNo">087</span> try {<a name="line.87"></a>
-<span class="sourceLineNo">088</span> cmd = new GnuParser().parse(opt, args);<a name="line.88"></a>
-<span class="sourceLineNo">089</span> } catch (ParseException e) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span> LOG.error("Could not parse: ", e);<a name="line.90"></a>
-<span class="sourceLineNo">091</span> usage(null);<a name="line.91"></a>
-<span class="sourceLineNo">092</span> return 1;<a name="line.92"></a>
-<span class="sourceLineNo">093</span> }<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HConstants;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.LocalHBaseCluster;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ZNodeClearer;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ZooKeeperConnectionException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.util.ServerCommandLine;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.zookeeper.KeeperException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.GnuParser;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>@InterfaceAudience.Private<a name="line.51"></a>
+<span class="sourceLineNo">052</span>public class HMasterCommandLine extends ServerCommandLine {<a name="line.52"></a>
+<span class="sourceLineNo">053</span> private static final Logger LOG = LoggerFactory.getLogger(HMasterCommandLine.class);<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> private static final String USAGE =<a name="line.55"></a>
+<span class="sourceLineNo">056</span> "Usage: Master [opts] start|stop|clear\n" +<a name="line.56"></a>
+<span class="sourceLineNo">057</span> " start Start Master. If local mode, start Master and RegionServer in same JVM\n" +<a name="line.57"></a>
+<span class="sourceLineNo">058</span> " stop Start cluster shutdown; Master signals RegionServer shutdown\n" +<a name="line.58"></a>
+<span class="sourceLineNo">059</span> " clear Delete the master znode in ZooKeeper after a master crashes\n "+<a name="line.59"></a>
+<span class="sourceLineNo">060</span> " where [opts] are:\n" +<a name="line.60"></a>
+<span class="sourceLineNo">061</span> " --minRegionServers=<servers> Minimum RegionServers needed to host user tables.\n" +<a name="line.61"></a>
+<span class="sourceLineNo">062</span> " --localRegionServers=<servers> " +<a name="line.62"></a>
+<span class="sourceLineNo">063</span> "RegionServers to start in master process when in standalone mode.\n" +<a name="line.63"></a>
+<span class="sourceLineNo">064</span> " --masters=<servers> Masters to start in this process.\n" +<a name="line.64"></a>
+<span class="sourceLineNo">065</span> " --backup Master should start in backup mode";<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> private final Class<? extends HMaster> masterClass;<a name="line.67"></a>
+<span class="sourceLineNo">068</span><a name="line.68"></a>
+<span class="sourceLineNo">069</span> public HMasterCommandLine(Class<? extends HMaster> masterClass) {<a name="line.69"></a>
+<span class="sourceLineNo">070</span> this.masterClass = masterClass;<a name="line.70"></a>
+<span class="sourceLineNo">071</span> }<a name="line.71"></a>
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+<span class="sourceLineNo">075</span> return USAGE;<a name="line.75"></a>
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+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> @Override<a name="line.78"></a>
+<span class="sourceLineNo">079</span> public int run(String args[]) throws Exception {<a name="line.79"></a>
+<span class="sourceLineNo">080</span> Options opt = new Options();<a name="line.80"></a>
+<span class="sourceLineNo">081</span> opt.addOption("localRegionServers", true,<a name="line.81"></a>
+<span class="sourceLineNo">082</span> "RegionServers to start in master process when running standalone");<a name="line.82"></a>
+<span class="sourceLineNo">083</span> opt.addOption("masters", true, "Masters to start in this process");<a name="line.83"></a>
+<span class="sourceLineNo">084</span> opt.addOption("minRegionServers", true, "Minimum RegionServers needed to host user tables");<a name="line.84"></a>
+<span class="sourceLineNo">085</span> opt.addOption("backup", false, "Do not try to become HMaster until the primary fails");<a name="line.85"></a>
+<span class="sourceLineNo">086</span><a name="line.86"></a>
+<span class="sourceLineNo">087</span> CommandLine cmd;<a name="line.87"></a>
+<span class="sourceLineNo">088</span> try {<a name="line.88"></a>
+<span class="sourceLineNo">089</span> cmd = new GnuParser().parse(opt, args);<a name="line.89"></a>
+<span class="sourceLineNo">090</span> } catch (ParseException e) {<a name="line.90"></a>
+<span class="sourceLineNo">091</span> LOG.error("Could not parse: ", e);<a name="line.91"></a>
+<span class="sourceLineNo">092</span> usage(null);<a name="line.92"></a>
+<span class="sourceLineNo">093</span> return 1;<a name="line.93"></a>
+<span class="sourceLineNo">094</span> }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> if (cmd.hasOption("minRegionServers")) {<a name="line.96"></a>
-<span class="sourceLineNo">097</span> String val = cmd.getOptionValue("minRegionServers");<a name="line.97"></a>
-<span class="sourceLineNo">098</span> getConf().setInt("hbase.regions.server.count.min",<a name="line.98"></a>
-<span class="sourceLineNo">099</span> Integer.parseInt(val));<a name="line.99"></a>
-<span class="sourceLineNo">100</span> LOG.debug("minRegionServers set to " + val);<a name="line.100"></a>
-<span class="sourceLineNo">101</span> }<a name="line.101"></a>
-<span class="sourceLineNo">102</span><a name="line.102"></a>
-<span class="sourceLineNo">103</span> // minRegionServers used to be minServers. Support it too.<a name="line.103"></a>
-<span class="sourceLineNo">104</span> if (cmd.hasOption("minServers")) {<a name="line.104"></a>
-<span class="sourceLineNo">105</span> String val = cmd.getOptionValue("minServers");<a name="line.105"></a>
-<span class="sourceLineNo">106</span> getConf().setInt("hbase.regions.server.count.min", Integer.parseInt(val));<a name="line.106"></a>
-<span class="sourceLineNo">107</span> LOG.debug("minServers set to " + val);<a name="line.107"></a>
-<span class="sourceLineNo">108</span> }<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span> // check if we are the backup master - override the conf if so<a name="line.110"></a>
-<span class="sourceLineNo">111</span> if (cmd.hasOption("backup")) {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> getConf().setBoolean(HConstants.MASTER_TYPE_BACKUP, true);<a name="line.112"></a>
-<span class="sourceLineNo">113</span> }<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> // How many regionservers to startup in this process (we run regionservers in same process as<a name="line.115"></a>
-<span class="sourceLineNo">116</span> // master when we are in local/standalone mode. Useful testing)<a name="line.116"></a>
-<span class="sourceLineNo">117</span> if (cmd.hasOption("localRegionServers")) {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> String val = cmd.getOptionValue("localRegionServers");<a name="line.118"></a>
-<span class="sourceLineNo">119</span> getConf().setInt("hbase.regionservers", Integer.parseInt(val));<a name="line.119"></a>
-<span class="sourceLineNo">120</span> LOG.debug("localRegionServers set to " + val);<a name="line.120"></a>
-<span class="sourceLineNo">121</span> }<a name="line.121"></a>
-<span class="sourceLineNo">122</span> // How many masters to startup inside this process; useful testing<a name="line.122"></a>
-<span class="sourceLineNo">123</span> if (cmd.hasOption("masters")) {<a name="line.123"></a>
-<span class="sourceLineNo">124</span> String val = cmd.getOptionValue("masters");<a name="line.124"></a>
-<span class="sourceLineNo">125</span> getConf().setInt("hbase.masters", Integer.parseInt(val));<a name="line.125"></a>
-<span class="sourceLineNo">126</span> LOG.debug("masters set to " + val);<a name="line.126"></a>
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-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span> @SuppressWarnings("unchecked")<a name="line.129"></a>
-<span class="sourceLineNo">130</span> List<String> remainingArgs = cmd.getArgList();<a name="line.130"></a>
-<span class="sourceLineNo">131</span> if (remainingArgs.size() != 1) {<a name="line.131"></a>
-<span class="sourceLineNo">132</span> usage(null);<a name="line.132"></a>
-<span class="sourceLineNo">133</span> return 1;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> String command = remainingArgs.get(0);<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> if ("start".equals(command)) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> return startMaster();<a name="line.139"></a>
-<span class="sourceLineNo">140</span> } else if ("stop".equals(command)) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> return stopMaster();<a name="line.141"></a>
-<span class="sourceLineNo">142</span> } else if ("clear".equals(command)) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span> return (ZNodeClearer.clear(getConf()) ? 0 : 1);<a name="line.143"></a>
-<span class="sourceLineNo">144</span> } else {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> usage("Invalid command: " + command);<a name="line.145"></a>
-<span class="sourceLineNo">146</span> return 1;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> }<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span><a name="line.149"></a>
-<span class="sourceLineNo">150</span> private int startMaster() {<a name="line.150"></a>
-<span class="sourceLineNo">151</span> Configuration conf = getConf();<a name="line.151"></a>
-<span class="sourceLineNo">152</span> TraceUtil.initTracer(conf);<a name="line.152"></a>
-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span> try {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> // If 'local', defer to LocalHBaseCluster instance. Starts master<a name="line.155"></a>
-<span class="sourceLineNo">156</span> // and regionserver both in the one JVM.<a name="line.156"></a>
-<span class="sourceLineNo">157</span> if (LocalHBaseCluster.isLocal(conf)) {<a name="line.157"></a>
-<span class="sourceLineNo">158</span> DefaultMetricsSystem.setMiniClusterMode(true);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> final MiniZooKeeperCluster zooKeeperCluster = new MiniZooKeeperCluster(conf);<a name="line.159"></a>
-<span class="sourceLineNo">160</span> File zkDataPath = new File(conf.get(HConstants.ZOOKEEPER_DATA_DIR));<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span> // find out the default client port<a name="line.162"></a>
-<span class="sourceLineNo">163</span> int zkClientPort = 0;<a name="line.163"></a>
-<span class="sourceLineNo">164</span><a name="line.164"></a>
-<span class="sourceLineNo">165</span> // If the zookeeper client port is specified in server quorum, use it.<a name="line.165"></a>
-<span class="sourceLineNo">166</span> String zkserver = conf.get(HConstants.ZOOKEEPER_QUORUM);<a name="line.166"></a>
-<span class="sourceLineNo">167</span> if (zkserver != null) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> String[] zkservers = zkserver.split(",");<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> if (zkservers.length > 1) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> // In local mode deployment, we have the master + a region server and zookeeper server<a name="line.171"></a>
-<span class="sourceLineNo">172</span> // started in the same process. Therefore, we only support one zookeeper server.<a name="line.172"></a>
-<span class="sourceLineNo">173</span> String errorMsg = "Could not start ZK with " + zkservers.length +<a name="line.173"></a>
-<span class="sourceLineNo">174</span> " ZK servers in local mode deployment. Aborting as clients (e.g. shell) will not "<a name="line.174"></a>
-<span class="sourceLineNo">175</span> + "be able to find this ZK quorum.";<a name="line.175"></a>
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+<span class="sourceLineNo">215</span> "this ZK quorum.";<a name="line.215"></a>
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