[
https://issues.apache.org/jira/browse/HBASE-15091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
stack updated HBASE-15091:
--------------------------
Attachment: HBASE-15091.png
Here is diagram of slow vs fast using v9 of patch attached here using the
included IncrementPerformanceTest.
Difference is not dramatic. Diagram shows 'fast path' doing 50% more ops.
Here is output from the two runs:
slow path
2016-01-19 10:54:58,675 INFO [main] hbase.IncrementPerformanceTest:
75th=13.71780375, 95th=18.151336949999997, 99th=22.91885279000001
real 1m51.259s
user 1m31.020s
sys 0m39.621s
'fast' path (with hbase.increment.fast.but.narrow.consistency set to true in
config)
2016-01-19 10:45:29,390 INFO [main] hbase.IncrementPerformanceTest:
75th=8.748498, 95th=11.46681715, 99th=18.067521050000085
real 1m10.096s
user 1m32.368s
sys 0m38.271s
> Forward-port to 1.2 HBASE-15031 "Fix merge of MVCC and SequenceID performance
> regression in branch-1.0"
> -------------------------------------------------------------------------------------------------------
>
> Key: HBASE-15091
> URL: https://issues.apache.org/jira/browse/HBASE-15091
> Project: HBase
> Issue Type: Sub-task
> Components: Performance
> Reporter: stack
> Assignee: stack
> Priority: Blocker
> Fix For: 1.2.0
>
> Attachments: 15091v2.branch-1.2.patch, 15091v3.branch-1.2.patch,
> 15091v4.branch-1.2.patch, 15091v5.branch-1.2.patch, 15091v6.branch-1.2.patch,
> 15091v6.branch-1.patch, 15091v7.branch-1.2.patch, 15091v8.branch-1.2.patch,
> 15091v9.branch-1.2.patch, HBASE-15091-branch-1.2.patch,
> HBASE-15091-branch-1.2_v1.patch, HBASE-15091.png,
> HBASE-15091.v1.branch-1.2.patch
>
>
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
