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https://issues.apache.org/jira/browse/HBASE-4785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159779#comment-13159779
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Hudson commented on HBASE-4785:
-------------------------------

Integrated in HBase-0.92 #163 (See 
[https://builds.apache.org/job/HBase-0.92/163/])
    HBASE-4785 Improve recovery time of HBase client when a region server dies

stack : 
Files : 
* /hbase/branches/0.92/CHANGES.txt
* 
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
* 
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/util/SoftValueSortedMap.java

                
> Improve recovery time of HBase client when a region server dies.
> ----------------------------------------------------------------
>
>                 Key: HBASE-4785
>                 URL: https://issues.apache.org/jira/browse/HBASE-4785
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Nicolas Spiegelberg
>            Assignee: Nicolas Spiegelberg
>            Priority: Minor
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4785.patch, HBASE-4785.patch
>
>
> When a region server dies, the HBase client waits until the RPC timesout 
> before learning that it needs to check META to find the new location of the 
> region. And it incurs this *timeout* cost for every region being served by 
> the dead region server. Remove this overhead by clearing the entries in cache 
> that have the dead region server as their values.

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