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From jinhong lu <lujinho...@gmail.com>
Subject Re: hbase get big table problem
Date Wed, 22 Jun 2016 08:12:10 GMT
400 regions, 8000 eps for the whole table. hbase 1.0, AND heap -Xmx32G,-Xms32G, -Xmn4G

Thanks,
lujinhong

> 在 2016年6月22日,15:53,Heng Chen <heng.chen.1986@gmail.com> 写道:
> 
> How many regions do you have for the table?  8000 qps for one RS or for the
> whole table?  What's your java heap size now?  and what's your hbase
> version?
> 
> 
> 2016-06-22 12:39 GMT+08:00 jinhong lu <lujinhong2@gmail.com>:
> 
>> I got a cluster of 200 regionserver, and one of the tables is about 3T and
>> 5 billion lines. Is it possible to get about 8000 Gets per second(about
>> 100,000 lines)?
>> 
>> I found YOUNG GC occurs every several senconds, each GC cost about
>> 1second. if I set -Xmn bigger, the GC occurs every several minutes, but
>> each GC cost more time.
>> 
>> Any suggetion? thanks.
>> 
>> 
>> 
>> =====================
>> Thanks,
>> lujinhong
>> 
>> 


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