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From Vladimir Rodionov <vladrodio...@gmail.com>
Subject Re: Need to apply patch HBASE-8163 on Hbase 1.4.10
Date Wed, 03 Jul 2019 02:30:49 GMT
HBase 1.4.10 should have MSLAB already. I presume. I personally have never
used 1.3.x and 1.4.x but I think if 1.1.x has this feature (its probably
there since 0.96?) 1.3 and 1.4 must have it as well.

-Vlad

On Mon, Jul 1, 2019 at 10:20 PM Syni Guo <guoshengyong@outlook.com> wrote:

>
> Hi ,
>
> I want to use MSLAB feature on Hbase 1.4.10, I checked the useage
> HBASE-8163 (https://issues.apache.org/jira/browse/HBASE-8163) as bellow
> , it was  fixed 0.98.0, 0.95.0 and whether need to apply it on Hbase 1.4.10
> ?
>
> Usage:
> Disable pool(default): configure
> "hbase.hregion.memstore.chunkpool.maxsize" as 0
> Enable pool: configure "hbase.hregion.memstore.chunkpool.maxsize" as a
> percentage of global memstore size (between 0.0 and 1.0, recommend to set
> it as the gap between min and max sizes of memstore, e.g. 0.5)
>
>
> Hbase DOC:
>
> If you have a write-heavy workload, check out HBASE-8163
> MemStoreChunkPool: An improvement for JAVA GC when using MSLAB<
> https://issues.apache.org/jira/browse/HBASE-8163>. It describes
> configurations to lower the amount of young GC during write-heavy loadings.
> If you do not have HBASE-8163 installed,
>
>
> Question :
> 1. Need to apply HBASE-8163 on Hbase 1.4.10 ?
> 2. How to check out HBASE-8163 is installed on Hbase 1.4.10 bin vaersion?
>
>
> Regards,
>
> Syni
>
>

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