http://git-wip-us.apache.org/repos/asf/hbase-site/blob/809180c4/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/HFileArchiveManager.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/HFileArchiveManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/HFileArchiveManager.html index 0ac7e72..4186401 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/HFileArchiveManager.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/HFileArchiveManager.html @@ -35,146 +35,147 @@ <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.28"></a> <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.zookeeper.KeeperException;<a name="line.31"></a> -<span class="sourceLineNo">032</span><a name="line.32"></a> -<span class="sourceLineNo">033</span>/**<a name="line.33"></a> -<span class="sourceLineNo">034</span> * Client-side manager for which table's hfiles should be preserved for long-term archive.<a name="line.34"></a> -<span class="sourceLineNo">035</span> * @see ZKTableArchiveClient<a name="line.35"></a> -<span class="sourceLineNo">036</span> * @see HFileArchiveTableMonitor<a name="line.36"></a> -<span class="sourceLineNo">037</span> * @see LongTermArchivingHFileCleaner<a name="line.37"></a> -<span class="sourceLineNo">038</span> */<a name="line.38"></a> -<span class="sourceLineNo">039</span>@InterfaceAudience.Private<a name="line.39"></a> -<span class="sourceLineNo">040</span>class HFileArchiveManager {<a name="line.40"></a> -<span class="sourceLineNo">041</span><a name="line.41"></a> -<span class="sourceLineNo">042</span> private final String archiveZnode;<a name="line.42"></a> -<span class="sourceLineNo">043</span> private static final Log LOG = LogFactory.getLog(HFileArchiveManager.class);<a name="line.43"></a> -<span class="sourceLineNo">044</span> private final ZooKeeperWatcher zooKeeper;<a name="line.44"></a> -<span class="sourceLineNo">045</span> private volatile boolean stopped = false;<a name="line.45"></a> -<span class="sourceLineNo">046</span><a name="line.46"></a> -<span class="sourceLineNo">047</span> public HFileArchiveManager(Connection connection, Configuration conf)<a name="line.47"></a> -<span class="sourceLineNo">048</span> throws ZooKeeperConnectionException, IOException {<a name="line.48"></a> -<span class="sourceLineNo">049</span> this.zooKeeper = new ZooKeeperWatcher(conf, "hfileArchiveManager-on-" + connection.toString(),<a name="line.49"></a> -<span class="sourceLineNo">050</span> connection);<a name="line.50"></a> -<span class="sourceLineNo">051</span> this.archiveZnode = ZKTableArchiveClient.getArchiveZNode(this.zooKeeper.getConfiguration(),<a name="line.51"></a> -<span class="sourceLineNo">052</span> this.zooKeeper);<a name="line.52"></a> -<span class="sourceLineNo">053</span> }<a name="line.53"></a> -<span class="sourceLineNo">054</span><a name="line.54"></a> -<span class="sourceLineNo">055</span> /**<a name="line.55"></a> -<span class="sourceLineNo">056</span> * Turn on auto-backups of HFiles on the specified table.<a name="line.56"></a> -<span class="sourceLineNo">057</span> * <p><a name="line.57"></a> -<span class="sourceLineNo">058</span> * When HFiles would be deleted from the hfile archive, they are instead preserved.<a name="line.58"></a> -<span class="sourceLineNo">059</span> * @param table name of the table for which to preserve hfiles.<a name="line.59"></a> -<span class="sourceLineNo">060</span> * @return <tt>this</tt> for chaining.<a name="line.60"></a> -<span class="sourceLineNo">061</span> * @throws KeeperException if we can't reach zookeeper to update the hfile cleaner.<a name="line.61"></a> -<span class="sourceLineNo">062</span> */<a name="line.62"></a> -<span class="sourceLineNo">063</span> public HFileArchiveManager enableHFileBackup(byte[] table) throws KeeperException {<a name="line.63"></a> -<span class="sourceLineNo">064</span> enable(this.zooKeeper, table);<a name="line.64"></a> -<span class="sourceLineNo">065</span> return this;<a name="line.65"></a> -<span class="sourceLineNo">066</span> }<a name="line.66"></a> -<span class="sourceLineNo">067</span><a name="line.67"></a> -<span class="sourceLineNo">068</span> /**<a name="line.68"></a> -<span class="sourceLineNo">069</span> * Stop retaining HFiles for the given table in the archive. HFiles will be cleaned up on the next<a name="line.69"></a> -<span class="sourceLineNo">070</span> * pass of the {@link org.apache.hadoop.hbase.master.cleaner.HFileCleaner}, if the HFiles are retained by another<a name="line.70"></a> -<span class="sourceLineNo">071</span> * cleaner.<a name="line.71"></a> -<span class="sourceLineNo">072</span> * @param table name of the table for which to disable hfile retention.<a name="line.72"></a> -<span class="sourceLineNo">073</span> * @return <tt>this</tt> for chaining.<a name="line.73"></a> -<span class="sourceLineNo">074</span> * @throws KeeperException if if we can't reach zookeeper to update the hfile cleaner.<a name="line.74"></a> -<span class="sourceLineNo">075</span> */<a name="line.75"></a> -<span class="sourceLineNo">076</span> public HFileArchiveManager disableHFileBackup(byte[] table) throws KeeperException {<a name="line.76"></a> -<span class="sourceLineNo">077</span> disable(this.zooKeeper, table);<a name="line.77"></a> -<span class="sourceLineNo">078</span> return this;<a name="line.78"></a> -<span class="sourceLineNo">079</span> }<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> -<span class="sourceLineNo">081</span> /**<a name="line.81"></a> -<span class="sourceLineNo">082</span> * Disable long-term archival of all hfiles for all tables in the cluster.<a name="line.82"></a> -<span class="sourceLineNo">083</span> * @return <tt>this</tt> for chaining.<a name="line.83"></a> -<span class="sourceLineNo">084</span> * @throws IOException if the number of attempts is exceeded<a name="line.84"></a> -<span class="sourceLineNo">085</span> */<a name="line.85"></a> -<span class="sourceLineNo">086</span> public HFileArchiveManager disableHFileBackup() throws IOException {<a name="line.86"></a> -<span class="sourceLineNo">087</span> LOG.debug("Disabling backups on all tables.");<a name="line.87"></a> -<span class="sourceLineNo">088</span> try {<a name="line.88"></a> -<span class="sourceLineNo">089</span> ZKUtil.deleteNodeRecursively(this.zooKeeper, archiveZnode);<a name="line.89"></a> -<span class="sourceLineNo">090</span> return this;<a name="line.90"></a> -<span class="sourceLineNo">091</span> } catch (KeeperException e) {<a name="line.91"></a> -<span class="sourceLineNo">092</span> throw new IOException("Unexpected ZK exception!", e);<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">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> /**<a name="line.96"></a> -<span class="sourceLineNo">097</span> * Perform a best effort enable of hfile retention, which relies on zookeeper communicating the //<a name="line.97"></a> -<span class="sourceLineNo">098</span> * * change back to the hfile cleaner.<a name="line.98"></a> -<span class="sourceLineNo">099</span> * <p><a name="line.99"></a> -<span class="sourceLineNo">100</span> * No attempt is made to make sure that backups are successfully created - it is inherently an<a name="line.100"></a> -<span class="sourceLineNo">101</span> * <b>asynchronous operation</b>.<a name="line.101"></a> -<span class="sourceLineNo">102</span> * @param zooKeeper watcher connection to zk cluster<a name="line.102"></a> -<span class="sourceLineNo">103</span> * @param table table name on which to enable archiving<a name="line.103"></a> -<span class="sourceLineNo">104</span> * @throws KeeperException<a name="line.104"></a> -<span class="sourceLineNo">105</span> */<a name="line.105"></a> -<span class="sourceLineNo">106</span> private void enable(ZooKeeperWatcher zooKeeper, byte[] table)<a name="line.106"></a> -<span class="sourceLineNo">107</span> throws KeeperException {<a name="line.107"></a> -<span class="sourceLineNo">108</span> LOG.debug("Ensuring archiving znode exists");<a name="line.108"></a> -<span class="sourceLineNo">109</span> ZKUtil.createAndFailSilent(zooKeeper, archiveZnode);<a name="line.109"></a> -<span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> // then add the table to the list of znodes to archive<a name="line.111"></a> -<span class="sourceLineNo">112</span> String tableNode = this.getTableNode(table);<a name="line.112"></a> -<span class="sourceLineNo">113</span> LOG.debug("Creating: " + tableNode + ", data: []");<a name="line.113"></a> -<span class="sourceLineNo">114</span> ZKUtil.createSetData(zooKeeper, tableNode, new byte[0]);<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> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * Disable all archiving of files for a given table<a name="line.118"></a> -<span class="sourceLineNo">119</span> * <p><a name="line.119"></a> -<span class="sourceLineNo">120</span> * Inherently an <b>asynchronous operation</b>.<a name="line.120"></a> -<span class="sourceLineNo">121</span> * @param zooKeeper watcher for the ZK cluster<a name="line.121"></a> -<span class="sourceLineNo">122</span> * @param table name of the table to disable<a name="line.122"></a> -<span class="sourceLineNo">123</span> * @throws KeeperException if an unexpected ZK connection issues occurs<a name="line.123"></a> -<span class="sourceLineNo">124</span> */<a name="line.124"></a> -<span class="sourceLineNo">125</span> private void disable(ZooKeeperWatcher zooKeeper, byte[] table) throws KeeperException {<a name="line.125"></a> -<span class="sourceLineNo">126</span> // ensure the latest state of the archive node is found<a name="line.126"></a> -<span class="sourceLineNo">127</span> zooKeeper.sync(archiveZnode);<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> // if the top-level archive node is gone, then we are done<a name="line.129"></a> -<span class="sourceLineNo">130</span> if (ZKUtil.checkExists(zooKeeper, archiveZnode) < 0) {<a name="line.130"></a> -<span class="sourceLineNo">131</span> return;<a name="line.131"></a> -<span class="sourceLineNo">132</span> }<a name="line.132"></a> -<span class="sourceLineNo">133</span> // delete the table node, from the archive<a name="line.133"></a> -<span class="sourceLineNo">134</span> String tableNode = this.getTableNode(table);<a name="line.134"></a> -<span class="sourceLineNo">135</span> // make sure the table is the latest version so the delete takes<a name="line.135"></a> -<span class="sourceLineNo">136</span> zooKeeper.sync(tableNode);<a name="line.136"></a> -<span class="sourceLineNo">137</span><a name="line.137"></a> -<span class="sourceLineNo">138</span> LOG.debug("Attempting to delete table node:" + tableNode);<a name="line.138"></a> -<span class="sourceLineNo">139</span> ZKUtil.deleteNodeRecursively(zooKeeper, tableNode);<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> public void stop() {<a name="line.142"></a> -<span class="sourceLineNo">143</span> if (!this.stopped) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> this.stopped = true;<a name="line.144"></a> -<span class="sourceLineNo">145</span> LOG.debug("Stopping HFileArchiveManager...");<a name="line.145"></a> -<span class="sourceLineNo">146</span> this.zooKeeper.close();<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> /**<a name="line.150"></a> -<span class="sourceLineNo">151</span> * Check to see if the table is currently marked for archiving<a name="line.151"></a> -<span class="sourceLineNo">152</span> * @param table name of the table to check<a name="line.152"></a> -<span class="sourceLineNo">153</span> * @return <tt>true</tt> if the archive znode for that table exists, <tt>false</tt> if not<a name="line.153"></a> -<span class="sourceLineNo">154</span> * @throws KeeperException if an unexpected zookeeper error occurs<a name="line.154"></a> -<span class="sourceLineNo">155</span> */<a name="line.155"></a> -<span class="sourceLineNo">156</span> public boolean isArchivingEnabled(byte[] table) throws KeeperException {<a name="line.156"></a> -<span class="sourceLineNo">157</span> String tableNode = this.getTableNode(table);<a name="line.157"></a> -<span class="sourceLineNo">158</span> return ZKUtil.checkExists(zooKeeper, tableNode) >= 0;<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a name="line.159"></a> -<span class="sourceLineNo">160</span><a name="line.160"></a> -<span class="sourceLineNo">161</span> /**<a name="line.161"></a> -<span class="sourceLineNo">162</span> * Get the zookeeper node associated with archiving the given table<a name="line.162"></a> -<span class="sourceLineNo">163</span> * @param table name of the table to check<a name="line.163"></a> -<span class="sourceLineNo">164</span> * @return znode for the table's archive status<a name="line.164"></a> -<span class="sourceLineNo">165</span> */<a name="line.165"></a> -<span class="sourceLineNo">166</span> private String getTableNode(byte[] table) {<a name="line.166"></a> -<span class="sourceLineNo">167</span> return ZKUtil.joinZNode(archiveZnode, Bytes.toString(table));<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span>}<a name="line.169"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.zookeeper.KeeperException;<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span>/**<a name="line.34"></a> +<span class="sourceLineNo">035</span> * Client-side manager for which table's hfiles should be preserved for long-term archive.<a name="line.35"></a> +<span class="sourceLineNo">036</span> * @see ZKTableArchiveClient<a name="line.36"></a> +<span class="sourceLineNo">037</span> * @see HFileArchiveTableMonitor<a name="line.37"></a> +<span class="sourceLineNo">038</span> * @see LongTermArchivingHFileCleaner<a name="line.38"></a> +<span class="sourceLineNo">039</span> */<a name="line.39"></a> +<span class="sourceLineNo">040</span>@InterfaceAudience.Private<a name="line.40"></a> +<span class="sourceLineNo">041</span>class HFileArchiveManager {<a name="line.41"></a> +<span class="sourceLineNo">042</span><a name="line.42"></a> +<span class="sourceLineNo">043</span> private final String archiveZnode;<a name="line.43"></a> +<span class="sourceLineNo">044</span> private static final Log LOG = LogFactory.getLog(HFileArchiveManager.class);<a name="line.44"></a> +<span class="sourceLineNo">045</span> private final ZooKeeperWatcher zooKeeper;<a name="line.45"></a> +<span class="sourceLineNo">046</span> private volatile boolean stopped = false;<a name="line.46"></a> +<span class="sourceLineNo">047</span><a name="line.47"></a> +<span class="sourceLineNo">048</span> public HFileArchiveManager(Connection connection, Configuration conf)<a name="line.48"></a> +<span class="sourceLineNo">049</span> throws ZooKeeperConnectionException, IOException {<a name="line.49"></a> +<span class="sourceLineNo">050</span> this.zooKeeper = new ZooKeeperWatcher(conf, "hfileArchiveManager-on-" + connection.toString(),<a name="line.50"></a> +<span class="sourceLineNo">051</span> connection);<a name="line.51"></a> +<span class="sourceLineNo">052</span> this.archiveZnode = ZKTableArchiveClient.getArchiveZNode(this.zooKeeper.getConfiguration(),<a name="line.52"></a> +<span class="sourceLineNo">053</span> this.zooKeeper);<a name="line.53"></a> +<span class="sourceLineNo">054</span> }<a name="line.54"></a> +<span class="sourceLineNo">055</span><a name="line.55"></a> +<span class="sourceLineNo">056</span> /**<a name="line.56"></a> +<span class="sourceLineNo">057</span> * Turn on auto-backups of HFiles on the specified table.<a name="line.57"></a> +<span class="sourceLineNo">058</span> * <p><a name="line.58"></a> +<span class="sourceLineNo">059</span> * When HFiles would be deleted from the hfile archive, they are instead preserved.<a name="line.59"></a> +<span class="sourceLineNo">060</span> * @param table name of the table for which to preserve hfiles.<a name="line.60"></a> +<span class="sourceLineNo">061</span> * @return <tt>this</tt> for chaining.<a name="line.61"></a> +<span class="sourceLineNo">062</span> * @throws KeeperException if we can't reach zookeeper to update the hfile cleaner.<a name="line.62"></a> +<span class="sourceLineNo">063</span> */<a name="line.63"></a> +<span class="sourceLineNo">064</span> public HFileArchiveManager enableHFileBackup(byte[] table) throws KeeperException {<a name="line.64"></a> +<span class="sourceLineNo">065</span> enable(this.zooKeeper, table);<a name="line.65"></a> +<span class="sourceLineNo">066</span> return this;<a name="line.66"></a> +<span class="sourceLineNo">067</span> }<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> /**<a name="line.69"></a> +<span class="sourceLineNo">070</span> * Stop retaining HFiles for the given table in the archive. HFiles will be cleaned up on the next<a name="line.70"></a> +<span class="sourceLineNo">071</span> * pass of the {@link org.apache.hadoop.hbase.master.cleaner.HFileCleaner}, if the HFiles are retained by another<a name="line.71"></a> +<span class="sourceLineNo">072</span> * cleaner.<a name="line.72"></a> +<span class="sourceLineNo">073</span> * @param table name of the table for which to disable hfile retention.<a name="line.73"></a> +<span class="sourceLineNo">074</span> * @return <tt>this</tt> for chaining.<a name="line.74"></a> +<span class="sourceLineNo">075</span> * @throws KeeperException if if we can't reach zookeeper to update the hfile cleaner.<a name="line.75"></a> +<span class="sourceLineNo">076</span> */<a name="line.76"></a> +<span class="sourceLineNo">077</span> public HFileArchiveManager disableHFileBackup(byte[] table) throws KeeperException {<a name="line.77"></a> +<span class="sourceLineNo">078</span> disable(this.zooKeeper, table);<a name="line.78"></a> +<span class="sourceLineNo">079</span> return this;<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> /**<a name="line.82"></a> +<span class="sourceLineNo">083</span> * Disable long-term archival of all hfiles for all tables in the cluster.<a name="line.83"></a> +<span class="sourceLineNo">084</span> * @return <tt>this</tt> for chaining.<a name="line.84"></a> +<span class="sourceLineNo">085</span> * @throws IOException if the number of attempts is exceeded<a name="line.85"></a> +<span class="sourceLineNo">086</span> */<a name="line.86"></a> +<span class="sourceLineNo">087</span> public HFileArchiveManager disableHFileBackup() throws IOException {<a name="line.87"></a> +<span class="sourceLineNo">088</span> LOG.debug("Disabling backups on all tables.");<a name="line.88"></a> +<span class="sourceLineNo">089</span> try {<a name="line.89"></a> +<span class="sourceLineNo">090</span> ZKUtil.deleteNodeRecursively(this.zooKeeper, archiveZnode);<a name="line.90"></a> +<span class="sourceLineNo">091</span> return this;<a name="line.91"></a> +<span class="sourceLineNo">092</span> } catch (KeeperException e) {<a name="line.92"></a> +<span class="sourceLineNo">093</span> throw new IOException("Unexpected ZK exception!", e);<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><a name="line.96"></a> +<span class="sourceLineNo">097</span> /**<a name="line.97"></a> +<span class="sourceLineNo">098</span> * Perform a best effort enable of hfile retention, which relies on zookeeper communicating the //<a name="line.98"></a> +<span class="sourceLineNo">099</span> * * change back to the hfile cleaner.<a name="line.99"></a> +<span class="sourceLineNo">100</span> * <p><a name="line.100"></a> +<span class="sourceLineNo">101</span> * No attempt is made to make sure that backups are successfully created - it is inherently an<a name="line.101"></a> +<span class="sourceLineNo">102</span> * <b>asynchronous operation</b>.<a name="line.102"></a> +<span class="sourceLineNo">103</span> * @param zooKeeper watcher connection to zk cluster<a name="line.103"></a> +<span class="sourceLineNo">104</span> * @param table table name on which to enable archiving<a name="line.104"></a> +<span class="sourceLineNo">105</span> * @throws KeeperException<a name="line.105"></a> +<span class="sourceLineNo">106</span> */<a name="line.106"></a> +<span class="sourceLineNo">107</span> private void enable(ZooKeeperWatcher zooKeeper, byte[] table)<a name="line.107"></a> +<span class="sourceLineNo">108</span> throws KeeperException {<a name="line.108"></a> +<span class="sourceLineNo">109</span> LOG.debug("Ensuring archiving znode exists");<a name="line.109"></a> +<span class="sourceLineNo">110</span> ZKUtil.createAndFailSilent(zooKeeper, archiveZnode);<a name="line.110"></a> +<span class="sourceLineNo">111</span><a name="line.111"></a> +<span class="sourceLineNo">112</span> // then add the table to the list of znodes to archive<a name="line.112"></a> +<span class="sourceLineNo">113</span> String tableNode = this.getTableNode(table);<a name="line.113"></a> +<span class="sourceLineNo">114</span> LOG.debug("Creating: " + tableNode + ", data: []");<a name="line.114"></a> +<span class="sourceLineNo">115</span> ZKUtil.createSetData(zooKeeper, tableNode, new byte[0]);<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span><a name="line.117"></a> +<span class="sourceLineNo">118</span> /**<a name="line.118"></a> +<span class="sourceLineNo">119</span> * Disable all archiving of files for a given table<a name="line.119"></a> +<span class="sourceLineNo">120</span> * <p><a name="line.120"></a> +<span class="sourceLineNo">121</span> * Inherently an <b>asynchronous operation</b>.<a name="line.121"></a> +<span class="sourceLineNo">122</span> * @param zooKeeper watcher for the ZK cluster<a name="line.122"></a> +<span class="sourceLineNo">123</span> * @param table name of the table to disable<a name="line.123"></a> +<span class="sourceLineNo">124</span> * @throws KeeperException if an unexpected ZK connection issues occurs<a name="line.124"></a> +<span class="sourceLineNo">125</span> */<a name="line.125"></a> +<span class="sourceLineNo">126</span> private void disable(ZooKeeperWatcher zooKeeper, byte[] table) throws KeeperException {<a name="line.126"></a> +<span class="sourceLineNo">127</span> // ensure the latest state of the archive node is found<a name="line.127"></a> +<span class="sourceLineNo">128</span> zooKeeper.sync(archiveZnode);<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> // if the top-level archive node is gone, then we are done<a name="line.130"></a> +<span class="sourceLineNo">131</span> if (ZKUtil.checkExists(zooKeeper, archiveZnode) < 0) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> return;<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span> // delete the table node, from the archive<a name="line.134"></a> +<span class="sourceLineNo">135</span> String tableNode = this.getTableNode(table);<a name="line.135"></a> +<span class="sourceLineNo">136</span> // make sure the table is the latest version so the delete takes<a name="line.136"></a> +<span class="sourceLineNo">137</span> zooKeeper.sync(tableNode);<a name="line.137"></a> +<span class="sourceLineNo">138</span><a name="line.138"></a> +<span class="sourceLineNo">139</span> LOG.debug("Attempting to delete table node:" + tableNode);<a name="line.139"></a> +<span class="sourceLineNo">140</span> ZKUtil.deleteNodeRecursively(zooKeeper, tableNode);<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> public void stop() {<a name="line.143"></a> +<span class="sourceLineNo">144</span> if (!this.stopped) {<a name="line.144"></a> +<span class="sourceLineNo">145</span> this.stopped = true;<a name="line.145"></a> +<span class="sourceLineNo">146</span> LOG.debug("Stopping HFileArchiveManager...");<a name="line.146"></a> +<span class="sourceLineNo">147</span> this.zooKeeper.close();<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><a name="line.150"></a> +<span class="sourceLineNo">151</span> /**<a name="line.151"></a> +<span class="sourceLineNo">152</span> * Check to see if the table is currently marked for archiving<a name="line.152"></a> +<span class="sourceLineNo">153</span> * @param table name of the table to check<a name="line.153"></a> +<span class="sourceLineNo">154</span> * @return <tt>true</tt> if the archive znode for that table exists, <tt>false</tt> if not<a name="line.154"></a> +<span class="sourceLineNo">155</span> * @throws KeeperException if an unexpected zookeeper error occurs<a name="line.155"></a> +<span class="sourceLineNo">156</span> */<a name="line.156"></a> +<span class="sourceLineNo">157</span> public boolean isArchivingEnabled(byte[] table) throws KeeperException {<a name="line.157"></a> +<span class="sourceLineNo">158</span> String tableNode = this.getTableNode(table);<a name="line.158"></a> +<span class="sourceLineNo">159</span> return ZKUtil.checkExists(zooKeeper, tableNode) >= 0;<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<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> * Get the zookeeper node associated with archiving the given table<a name="line.163"></a> +<span class="sourceLineNo">164</span> * @param table name of the table to check<a name="line.164"></a> +<span class="sourceLineNo">165</span> * @return znode for the table's archive status<a name="line.165"></a> +<span class="sourceLineNo">166</span> */<a name="line.166"></a> +<span class="sourceLineNo">167</span> private String getTableNode(byte[] table) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> return ZNodePaths.joinZNode(archiveZnode, Bytes.toString(table));<a name="line.168"></a> +<span class="sourceLineNo">169</span> }<a name="line.169"></a> +<span class="sourceLineNo">170</span>}<a name="line.170"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/809180c4/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/ZKTableArchiveClient.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/ZKTableArchiveClient.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/ZKTableArchiveClient.html index 4e2de56..a52be34 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/ZKTableArchiveClient.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/example/ZKTableArchiveClient.html @@ -32,7 +32,7 @@ <span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configured;<a name="line.24"></a> <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.ClusterConnection;<a name="line.25"></a> <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.27"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.zookeeper.ZNodePaths;<a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;<a name="line.28"></a> <span class="sourceLineNo">029</span>import org.apache.zookeeper.KeeperException;<a name="line.29"></a> <span class="sourceLineNo">030</span><a name="line.30"></a> @@ -157,7 +157,7 @@ <span class="sourceLineNo">149</span> * @return get the znode for long-term archival of a table for<a name="line.149"></a> <span class="sourceLineNo">150</span> */<a name="line.150"></a> <span class="sourceLineNo">151</span> public static String getArchiveZNode(Configuration conf, ZooKeeperWatcher zooKeeper) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> return ZKUtil.joinZNode(zooKeeper.znodePaths.baseZNode, conf.get(<a name="line.152"></a> +<span class="sourceLineNo">152</span> return ZNodePaths.joinZNode(zooKeeper.znodePaths.baseZNode, conf.get(<a name="line.152"></a> <span class="sourceLineNo">153</span> ZOOKEEPER_ZNODE_HFILE_ARCHIVE_KEY, TableHFileArchiveTracker.HFILE_ARCHIVE_ZNODE_PARENT));<a name="line.153"></a> <span class="sourceLineNo">154</span> }<a name="line.154"></a> <span class="sourceLineNo">155</span>}<a name="line.155"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/809180c4/devapidocs/src-html/org/apache/hadoop/hbase/client/ClusterConnection.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/ClusterConnection.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/ClusterConnection.html index 0219c89..25fa087 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/ClusterConnection.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/ClusterConnection.html @@ -234,123 +234,127 @@ <span class="sourceLineNo">226</span> */<a name="line.226"></a> <span class="sourceLineNo">227</span> MasterService.BlockingInterface getMaster() throws IOException;<a name="line.227"></a> <span class="sourceLineNo">228</span><a name="line.228"></a> -<span class="sourceLineNo">229</span><a name="line.229"></a> -<span class="sourceLineNo">230</span> /**<a name="line.230"></a> -<span class="sourceLineNo">231</span> * Establishes a connection to the region server at the specified address.<a name="line.231"></a> -<span class="sourceLineNo">232</span> * @param serverName<a name="line.232"></a> -<span class="sourceLineNo">233</span> * @return proxy for HRegionServer<a name="line.233"></a> -<span class="sourceLineNo">234</span> * @throws IOException if a remote or network exception occurs<a name="line.234"></a> -<span class="sourceLineNo">235</span> */<a name="line.235"></a> -<span class="sourceLineNo">236</span> AdminService.BlockingInterface getAdmin(final ServerName serverName) throws IOException;<a name="line.236"></a> -<span class="sourceLineNo">237</span><a name="line.237"></a> -<span class="sourceLineNo">238</span> /**<a name="line.238"></a> -<span class="sourceLineNo">239</span> * Establishes a connection to the region server at the specified address, and returns<a name="line.239"></a> -<span class="sourceLineNo">240</span> * a region client protocol.<a name="line.240"></a> -<span class="sourceLineNo">241</span> *<a name="line.241"></a> -<span class="sourceLineNo">242</span> * @param serverName<a name="line.242"></a> -<span class="sourceLineNo">243</span> * @return ClientProtocol proxy for RegionServer<a name="line.243"></a> -<span class="sourceLineNo">244</span> * @throws IOException if a remote or network exception occurs<a name="line.244"></a> +<span class="sourceLineNo">229</span> /**<a name="line.229"></a> +<span class="sourceLineNo">230</span> * Get the admin service for master.<a name="line.230"></a> +<span class="sourceLineNo">231</span> */<a name="line.231"></a> +<span class="sourceLineNo">232</span> AdminService.BlockingInterface getAdminForMaster() throws IOException;<a name="line.232"></a> +<span class="sourceLineNo">233</span><a name="line.233"></a> +<span class="sourceLineNo">234</span> /**<a name="line.234"></a> +<span class="sourceLineNo">235</span> * Establishes a connection to the region server at the specified address.<a name="line.235"></a> +<span class="sourceLineNo">236</span> * @param serverName<a name="line.236"></a> +<span class="sourceLineNo">237</span> * @return proxy for HRegionServer<a name="line.237"></a> +<span class="sourceLineNo">238</span> * @throws IOException if a remote or network exception occurs<a name="line.238"></a> +<span class="sourceLineNo">239</span> */<a name="line.239"></a> +<span class="sourceLineNo">240</span> AdminService.BlockingInterface getAdmin(final ServerName serverName) throws IOException;<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span 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