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From Ted Yu <yuzhih...@gmail.com>
Subject Re: how to restart a hbase cluster
Date Wed, 13 Jul 2011 09:30:16 GMT
For #2:

bin/stop-hbase.sh
check that master and region servers are down
...
bin/start-hbase.sh

On Tue, Jul 12, 2011 at 11:29 PM, Weihua JIANG <weihua.jiang@gmail.com>wrote:

> Hi all,
>
> I am using HBase 0.90+HBASE-3789 and I want to know how to restart the
> cluster safely.
>
> Basically, there are two kinds of restarts:
> 1. Keep the HBase cluster working while restarting the whole cluster.
> 2. Stop-the-world cluster restart which only ensure data safety.
>
> From my understanding, graceful_stop.sh and rolling restart is used
> for kind #1. But, HBASE-3789 said it broke rolling restart. So, can
> anyone tell me what it broke and how to fix it to make rolling restart
> work?
>
> And, I can't find document about the kind #2 stop-the-world restart.
> Can any one point me the how-to document about it?
>
> Thanks
> Weihua
>

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