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Edit of 'Getting Started' to try and improve zookeeper section 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@786376 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2009-06-19 05:38:51 +00:00
parent 26559442b7
commit cfc84a624f
2 changed files with 18 additions and 13 deletions
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4
src/java/org/apache/hadoop/hbase/client/HTable.java
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@ -868,7 +868,7 @@ public class HTable {
* at a specified timestamp
*
* @param row row key
* @param timestamp timestamp
* @param ts timestamp
* @param numVersions number of versions to return
* @return RowResult is <code>null</code> if row does not exist.
* @throws IOException
@ -2071,4 +2071,4 @@ public class HTable {
};
}
}
}
}

27
src/java/overview.html
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@ -178,18 +178,9 @@ The ZooKeeper configuration file for HBase is stored at <code>${HBASE_HOME}/conf
See the ZooKeeper <a href="http://hadoop.apache.org/zookeeper/docs/current/zookeeperStarted.html"> Getting Started Guide</a>
for information about the format and options of that file. Specifically, look at the
<a href="http://hadoop.apache.org/zookeeper/docs/current/zookeeperStarted.html#sc_RunningReplicatedZooKeeper">Running Replicated ZooKeeper</a> section.
After configuring <code>zoo.cfg</code>, in <code>${HBASE_HOME}/conf/hbase-env.sh</code>,
set the following to tell HBase to STOP managing its instance of ZooKeeper.
<blockquote>
<pre>
...
# Tell HBase whether it should manage it's own instance of Zookeeper or not.
export HBASE_MANAGES_ZK=false
</pre>
</blockquote>
</p>
<p>
Though not recommended, it can be convenient having HBase continue to manage
ZooKeeper even when in distributed mode (It can be good when testing or taking
@ -216,6 +207,20 @@ Be aware that this option is only recommanded for testing purposes as a failure
on that node would render HBase <b>unusable</b>.
</p>
<p>
To tell HBase to stop managing a ZooKeeper instance, after configuring
<code>zoo.cfg</code> to point at the ZooKeeper Quorum you'd like HBase to
use, in <code>${HBASE_HOME}/conf/hbase-env.sh</code>,
set the following to tell HBase to STOP managing its instance of ZooKeeper.
<blockquote>
<pre>
...
# Tell HBase whether it should manage it's own instance of Zookeeper or not.
export HBASE_MANAGES_ZK=false
</pre>
</blockquote>
</p>
<p>Of note, if you have made <i>HDFS client configuration</i> on your hadoop cluster, HBase will not
see this configuration unless you do one of the following:
<ul>