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From "Anastasia Braginsky (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17765) Reviving the merge possibility in the CompactingMemStore
Date Mon, 27 Mar 2017 12:43:41 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Anastasia Braginsky updated HBASE-17765:
      Resolution: Fixed
    Release Note: Reviving the merge of the compacting pipeline: making the limit on the number
of the segments in the pipeline configurable, adding merge test, fixing bug in sizes counting
          Status: Resolved  (was: Patch Available)

> Reviving the merge possibility in the CompactingMemStore
> --------------------------------------------------------
>                 Key: HBASE-17765
>                 URL: https://issues.apache.org/jira/browse/HBASE-17765
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Anastasia Braginsky
>            Assignee: Anastasia Braginsky
>             Fix For: 2.0.0
>         Attachments: HBASE-17765-V01.patch, HBASE-17765-V02.patch, HBASE-17765-V03.patch,
HBASE-17765-V04.patch, HBASE-17765-V05.patch
> According to the new performance results presented in the HBASE-16417 we see that the
read latency of the 90th percentile of the BASIC policy is too big due to the need to traverse
through too many segments in the pipeline. In this JIRA we correct the bug in the merge sizing
calculations and allow pipeline size threshold to be a configurable parameter.

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