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HBase, mail # user - Rolling Restart and Load Balancer.


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Jean-Marc Spaggiari 2013-04-17, 20:15
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Re: Rolling Restart and Load Balancer.
Ted Yu 2013-04-17, 20:18
We should make the documentation match the script.

Thanks

On Apr 17, 2013, at 1:15 PM, Jean-Marc Spaggiari <[EMAIL PROTECTED]> wrote:

> When we are doing rolling restarts, the load balancer is automatically
> turned off.
>
> hbase@node3:~/hbase$ ./bin/graceful_stop.sh --restart --reload --debug buldo
> Disabling balancer!
> HBase Shell; enter 'help<RETURN>' for list of supported commands.
> Type "exit<RETURN>" to leave the HBase Shell
> Version 0.94.6.1, r1464658, Thu Apr  4 10:58:50 PDT 2013
>
> balance_switch false
> false
>
> 0 row(s) in 0.4110 seconds
> .
> .
> .
>
>
> However, in the documentation, we still recommand to turn it of manually
> before doing the rolling restart: http://hbase.apache.org/book.html#rolling
>
> Should the documentation be updated to reflect that it's not required
> anymore to turn off the load balancer since it will be done by the script?
>
> JM
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Jean-Marc Spaggiari 2013-04-18, 14:57