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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9503) Remove sleep between IPC client connect timeouts
Date Thu, 25 Apr 2013 21:10:16 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HADOOP-9503:
-------------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.5-beta
           Status: Resolved  (was: Patch Available)

I have committed this.  Thanks, Varun!
                
> Remove sleep between IPC client connect timeouts
> ------------------------------------------------
>
>                 Key: HADOOP-9503
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9503
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 2.0.5-beta
>            Reporter: Varun Sharma
>            Assignee: Varun Sharma
>            Priority: Minor
>             Fix For: 2.0.5-beta
>
>         Attachments: 9503.patch
>
>
> HADOOP-9106 introduced a configurable retry timeout when there are socket timeouts errors.
> Since the IPC client is used by a wide variety of applications including realtime/online
ones (like hbase + hdfs), we sometimes need fast fail timeouts which are < 3 seconds. Achieving
such a timeout for connect is very difficult with a 1 second sleep in b/w retries. It would
be good to remove this sleep. 

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