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From Stack <st...@duboce.net>
Subject Re: hbase config for 0.90
Date Sat, 22 Jan 2011 05:57:16 GMT
Oh, makes sure you don't have an hbase-default.xml from an old hbase
in your conf dir (its in the hbase-0.90.0.jar now and doc'd here
http://hbase.apache.org/configuration.html#hbase_default_configurations).
St.Ack

On Fri, Jan 21, 2011 at 9:56 PM, Stack <stack@duboce.net> wrote:
> Remove:
>
> hbase.master
> hbase.regions.slop
> hbase.regionserver.restart.on.zk.expire
> hbase.regions.percheckin
> hbase.zookeeper.property.tickTime
>
> None of the above are pertinent any more.
>
> Your 'hbase.hregion.memstore.flush.size' is very high.  Why so high?
> Same for your hfile blocksize (Though IIRC, you have lots of small
> records so you are probably trying to keep down the size of your
> indices?)
>
> Your 'hbase.regionserver.msginterval' is odd... Default is 3seconds
> and you have 23seconds.  Any reason?
>
> Your zk timeout is very high, higher than default 3 minutes in 0.90.
> Maybe its OK though?
>
> The 'hbase.zookeeper.property.maxClientCnxns' setting of 400 is
> abnormal.  It shouldn't usually have to be this high if you reuse your
> Configuration making HTables... but leave it as is.  Probably does no
> harm.
>
> Hope that helps Ted,
> St.Ack
>
>
>
>
> On Fri, Jan 21, 2011 at 8:09 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>> Hi,
>> I copied hbase-site.xml from our staging cluster running 0.20.6 to dev
>> cluster which runs 0.90
>>
>> Can someone go over the attached file and see if any parameter is
>> incorrectly set ?
>>
>> Thanks
>>
>

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