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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15390) Unnecessary MetaCache evictions cause elevated number of requests to meta
Date Tue, 15 Mar 2016 18:16:33 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mikhail Antonov updated HBASE-15390:
------------------------------------
    Description: 
 - In ClientExceptionsUtil#findException() we don't unwrap correctly all remote exceptions
but a few selected ones
 - In AsyncProcess#receiveGlobalFailure() we don't check for #isMetaClearingException() if
tableName is null
 - We don't have metric on client side to track number of cache drops

  was:
 -  In ClientExceptionsUtil#findException() we don't unwrap correctly all remote exceptions
but a few selected ones
 -  In AsyncProcess#receiveGlobalFailure() we don't check for #isMs


> Unnecessary MetaCache evictions cause elevated number of requests to meta
> -------------------------------------------------------------------------
>
>                 Key: HBASE-15390
>                 URL: https://issues.apache.org/jira/browse/HBASE-15390
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>    Affects Versions: 1.2.0
>            Reporter: Mikhail Antonov
>            Assignee: Mikhail Antonov
>            Priority: Blocker
>             Fix For: 1.3.0, 1.2.1
>
>
>  - In ClientExceptionsUtil#findException() we don't unwrap correctly all remote exceptions
but a few selected ones
>  - In AsyncProcess#receiveGlobalFailure() we don't check for #isMetaClearingException()
if tableName is null
>  - We don't have metric on client side to track number of cache drops



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