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HBASE-8373 Update Rolling Restart documentation (Jean-Marc) 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1470373 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu 2013-04-22 02:10:42 +00:00
parent 4370fd18e4
commit af33aeefe5
1 changed files with 2 additions and 7 deletions
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9
src/main/docbkx/ops_mgt.xml
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@ -451,8 +451,8 @@ false
<programlisting>$ for i in `cat conf/regionservers|sort`; do ./bin/graceful_stop.sh --restart --reload --debug $i; done &amp;> /tmp/log.txt &amp; <programlisting>$ for i in `cat conf/regionservers|sort`; do ./bin/graceful_stop.sh --restart --reload --debug $i; done &amp;> /tmp/log.txt &amp;
</programlisting> </programlisting>
Tail the output of <filename>/tmp/log.txt</filename> to follow the scripts Tail the output of <filename>/tmp/log.txt</filename> to follow the scripts
progress. The above does RegionServers only. Be sure to disable the progress. The above does RegionServers only. The script will also disable the
load balancer before doing the above. You'd need to do the master load balancer before moving the regions. You'd need to do the master
update separately. Do it before you run the above script. update separately. Do it before you run the above script.
Here is a pseudo-script for how you might craft a rolling restart script: Here is a pseudo-script for how you might craft a rolling restart script:
<orderedlist> <orderedlist>
@ -471,11 +471,6 @@ false
<para>Restart the Master: <programlisting>$ ./bin/hbase-daemon.sh stop master; ./bin/hbase-daemon.sh start master</programlisting> <para>Restart the Master: <programlisting>$ ./bin/hbase-daemon.sh stop master; ./bin/hbase-daemon.sh start master</programlisting>
</para> </para>
</listitem> </listitem>
<listitem>
<para>
Disable the region balancer:<programlisting>$ echo "balance_switch false" | ./bin/hbase shell</programlisting>
</para>
</listitem>
<listitem> <listitem>
<para>Run the <filename>graceful_stop.sh</filename> script per RegionServer. For example: <para>Run the <filename>graceful_stop.sh</filename> script per RegionServer. For example:
<programlisting>$ for i in `cat conf/regionservers|sort`; do ./bin/graceful_stop.sh --restart --reload --debug $i; done &amp;> /tmp/log.txt &amp; <programlisting>$ for i in `cat conf/regionservers|sort`; do ./bin/graceful_stop.sh --restart --reload --debug $i; done &amp;> /tmp/log.txt &amp;