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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3499) resource inconsistent caused by hbase rpc timeout
Date Fri, 24 Aug 2018 02:40:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16591069#comment-16591069
] 

ASF GitHub Bot commented on KYLIN-3499:
---------------------------------------

momoxixi commented on issue #198: KYLIN-3499 Update HBaseResourceStore.java
URL: https://github.com/apache/kylin/pull/198#issuecomment-415633716
 
 
   Hi shaofengshi,
   You get my point, and here is my opinion for two comments,:
   1. I consider Embedded `try-catch` is a compromise plan, or it would modify more code.
   2. `IOException` maybe a more smarter choice, but after reading hbase source code `RetriesExhaustedException`
is the one exception that need to recheck.

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> resource inconsistent caused by hbase rpc timeout
> -------------------------------------------------
>
>                 Key: KYLIN-3499
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3499
>             Project: Kylin
>          Issue Type: Bug
>          Components: Storage - HBase
>    Affects Versions: all
>            Reporter: ulysses you
>            Priority: Major
>             Fix For: Future
>
>         Attachments: ca7a61b2fdbfc321e7c896c3d34fd4d4c48e3eed.patch, error.png
>
>
> KYLIN use hbase to persist resouce metadata. When hbase rpc timeout, kylin would rollback
the resource timestamp. It caused resource inconsistent between kylin's memory and hbase if
hbase already put the resource.



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