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https://issues.apache.org/jira/browse/HBASE-5699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265076#comment-13265076
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Zhihong Yu commented on HBASE-5699:
-----------------------------------
Playing with a prototype of this feature using ycsb (half insert, half upate)
on a 5-node cluster where usertable has 13 regions on each region server.
Without this feature:
{code}
10 sec: 99965 operations; 9996.5 current ops/sec; [UPDATE
AverageLatency(us)=258.68] [INSERT AverageLatency(us)=610.28]
20 sec: 99965 operations; 0 current ops/sec;
25 sec: 99990 operations; 4.3 current ops/sec; [UPDATE
AverageLatency(us)=2594303.62] [INSERT AverageLatency(us)=1240495.41]
[OVERALL], RunTime(ms), 25844.0
[OVERALL], Throughput(ops/sec), 3868.9831295465096
[UPDATE], Operations, 49935
[UPDATE], AverageLatency(us), 674.2635626314209
{code}
with this feature:
{code}
10 sec: 99952 operations; 9994.2 current ops/sec; [UPDATE
AverageLatency(us)=178.7] [INSERT AverageLatency(us)=584.76]
20 sec: 99990 operations; 3.8 current ops/sec; [UPDATE
AverageLatency(us)=10.88] [INSERT AverageLatency(us)=679174.27]
20 sec: 99990 operations; 0 current ops/sec;
[OVERALL], RunTime(ms), 20867.0
[OVERALL], Throughput(ops/sec), 4791.776489193463
[UPDATE], Operations, 49992
[UPDATE], AverageLatency(us), 178.6439030244839
{code}
> Run with > 1 WAL in HRegionServer
> ---------------------------------
>
> Key: HBASE-5699
> URL: https://issues.apache.org/jira/browse/HBASE-5699
> Project: HBase
> Issue Type: Improvement
> Reporter: binlijin
> Assignee: Li Pi
>
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