8000/200 = 40, if your table balance enough, each RS will serve 40 requests per second, that is OK for RS. Have you try set xmn smaller to reduce young generation?
2016-06-22 16:12 GMT+08:00 jinhong lu <[email protected]>: > 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 <[email protected]> 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 <[email protected]>: > > > >> 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 > >> > >> > >
