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From Jameson Li <hovlj...@gmail.com>
Subject upgrade hbase from 0.20.6 to 0.92
Date Fri, 17 Feb 2012 04:02:11 GMT
Hi,

*I want to upgrade our hbase cluster from version 0.20.6 to 0.92, but the
hbase book just tell me how to upgrade from version 0.90 to 0.92.*
*So I have a doubt that:
*
*Can I directly upgrade? Or I have to firstly upgrade it to 0.90 version,
then upgrade it from verion 0.90 to 0.92.*
*
*
*And 0.20.6 to 0.90, just replace the jar file and run:*
*hbase org.jruby.Main $HBASE_HOME/bin/set_meta_memstore_size.rb*
*
*
*And 0.90 to 0.92, just change the zookeeper version to 3.4.2 and take care
the below confs:*
*-- base.hregion.memstore.mslab.enabled*
*-- adds distributed WAL log splitting in place of single-process master
orchestrated splitting(default on)*
*-- hbase.instant.schema.alter.enabled*
*-- off-heap cache*
*-- regionserver OOM kill -9*
*
*
*Does there have steps that I omit?*
*
*
*Thanks,*
*Jameson Li.*

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