You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2018/03/21 22:09:12 UTC
[jira] [Updated] (HBASE-18485) Performance issue:
ClientAsyncPrefetchScanner is slower than ClientSimpleScanner
[ https://issues.apache.org/jira/browse/HBASE-18485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-18485:
--------------------------
Fix Version/s: (was: 3.0.0)
> Performance issue: ClientAsyncPrefetchScanner is slower than ClientSimpleScanner
> --------------------------------------------------------------------------------
>
> Key: HBASE-18485
> URL: https://issues.apache.org/jira/browse/HBASE-18485
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0, 2.0.0-alpha-2
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Fix For: 2.0.0-alpha-2, 2.0.0
>
> Attachments: HBASE-18485-v1.patch, HBASE-18485-v2.patch, HBASE-18485-v3.patch, HBASE-18485-v4.patch, HBASE-18485-v4.patch, HBASE-18485-v4.patch, HBASE-18485-v5.patch, HBASE-18485-v5.patch, HBASE-18485-v6.patch, HBASE-18485-v6.patch
>
>
> Copied the test result from HBASE-17994.
> {code}
> ./bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation --rows=100000 --nomapred scan 1
> ./bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation --rows=100000 --nomapred --asyncPrefetch=True scan 1
> {code}
> Mean latency.
> || ||Test1|| Test2 || Test3 || Test4|| Test5||
> |scan| 12.21 | 14.32 | 13.25 | 13.07 | 11.83 |
> |scan with prefetch=True | 37.36 | 37.88 | 37.56 | 37.66 | 38.28 |
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)