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From "Tianying Chang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17453) add Ping into HBase server for deprecated GetProtocolVersion
Date Sat, 11 Mar 2017 15:54:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15906231#comment-15906231
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Tianying Chang commented on HBASE-17453:
----------------------------------------

[~ted_yu] Thanks a lot for the url link! Will read that. I found hbase-protocol-shaded/README.txt
and followed that to regenerate the patch. Now it is passing those errors on my box. I have
re-resubmitted the patch. Thanks again for your fast response!  

> add Ping into HBase server for deprecated GetProtocolVersion
> ------------------------------------------------------------
>
>                 Key: HBASE-17453
>                 URL: https://issues.apache.org/jira/browse/HBASE-17453
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 1.2.2
>            Reporter: Tianying Chang
>            Assignee: Tianying Chang
>            Priority: Minor
>         Attachments: HBASE-17453-1.2.patch, HBASE-17453-master.patch
>
>
> Our HBase service is hosted in AWS. We saw cases where the connection between the client
(Asynchbase in our case) and server stop working but did not throw any exception, therefore
traffic stuck. So we added a "Ping" feature in AsyncHBase 1.5 by utilizing the GetProtocolVersion()
API provided at RS side, if no traffic for given time, we send the "Ping", if no response
back for "Ping", we assume the connect is bad and reconnect. 
> Now we are upgrading cluster from 94 to 1.2. However, GetProtocolVersion() is deprecated.
To be able to support same detect/reconnect feature, we added Ping() in our internal HBase
1.2 branch, and also patched accordingly in Asynchbase 1.7.
> We would like to open source this feature since it is useful for use case in AWS environment.




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