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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2018/04/26 13:15:00 UTC
[jira] [Updated] (HBASE-20483) [PERFORMANCE] Flushing is 2x slower
in hbase2.
[ https://issues.apache.org/jira/browse/HBASE-20483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-20483:
--------------------------
Attachment: SnapshotSegmentScanner_2.0.0.patch
> [PERFORMANCE] Flushing is 2x slower in hbase2.
> ----------------------------------------------
>
> Key: HBASE-20483
> URL: https://issues.apache.org/jira/browse/HBASE-20483
> Project: HBase
> Issue Type: Sub-task
> Components: Performance
> Reporter: stack
> Assignee: stack
> Priority: Major
> Attachments: SnapshotSegmentScanner_2.0.0.patch
>
>
> When flush is slow, memstores backup and go slower. See "1.2.7 vs. 2.0.0 Flush History" https://docs.google.com/spreadsheets/d/1sihTxb4aCplR3Rr_GGXkPlwhMIm-CbB9j_5339AS0Zc/edit#gid=1016758826 for compare. First noted by [~anoop.hbase]
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