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From J Mohamed Zahoor <jmo...@gmail.com>
Subject Re: How to avoid stop-the-world GC for HBase Region Server under big heap size
Date Thu, 23 Aug 2012 06:16:56 GMT
Slab cache might help
http://www.cloudera.com/blog/2012/01/caching-in-hbase-slabcache/

./zahoor

On Thu, Aug 23, 2012 at 11:36 AM, Gen Liu <geliu@zynga.com> wrote:

> Hi,
>
> We are running Region Server on big memory machine (70G) and set Xmx=64G.
> Most heap is used as block cache for random read.
> Stop-the-world GC is killing the region server, but using less heap (16G)
> doesn't utilize our machines well.
>
> Is there a concurrent or parallel GC option that won't block all threads?
>
> Any thought is appreciated. Thanks.
>
> Gen Liu
>
>

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