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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HBASE-9775) Client write path perf issues
Date Wed, 16 Oct 2013 21:06:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797251#comment-13797251

Enis Soztutar edited comment on HBASE-9775 at 10/16/13 9:05 PM:

[deleted comment, meant for HBASE-5487]

was (Author: enis):
I think as a mental exercise to validate the new design, we should think about the cases for
the following issues opened recently so that we can ensure that these classes of problems
are eliminated: 

- HBASE-8724 Failed region split is not handled correctly by AM
- HBASE-8721 meta assignment did not timeout
- HBASE-9696 Master recovery ignores online merge znode
- HBASE-9777 Two consecutive RS crashes could lead to their SSH stepping on each other's toes
and cause master abort
- HBASE-9773 Master aborted when hbck asked the master to assign a region that was already
- HBASE-9525 "Move" region right after a region split is dangerous
- HBASE-9514 Prevent region from assigning before log splitting is done
- HBASE-9480 Regions are unexpectedly made offline in certain failure conditions
- HBASE-9387 Region could get lost during assignment

> Client write path perf issues
> -----------------------------
>                 Key: HBASE-9775
>                 URL: https://issues.apache.org/jira/browse/HBASE-9775
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 0.96.0
>            Reporter: Elliott Clark
>            Priority: Critical
>         Attachments: Charts Search   Cloudera Manager - ITBLL.png, Charts Search   Cloudera
Manager.png, job_run.log, short_ycsb.png, ycsb_insert_94_vs_96.png
> Testing on larger clusters has not had the desired throughput increases.

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