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From "Myroslav Papirkovskyy" <mpapyrkovs...@hortonworks.com>
Subject Re: Review Request 29765: Change retry settings in Ambari installer for nm connect retry
Date Fri, 09 Jan 2015 15:57:19 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/29765/#review67443
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Ship it!


Ship It!

- Myroslav Papirkovskyy


On Січ. 9, 2015, 5:43 після полудня, Dmitro Lisnichenko wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/29765/
> -----------------------------------------------------------
> 
> (Updated Січ. 9, 2015, 5:43 після полудня)
> 
> 
> Review request for Ambari and Myroslav Papirkovskyy.
> 
> 
> Bugs: AMBARI-9064
>     https://issues.apache.org/jira/browse/AMBARI-9064
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> we need to change the nm retry settings to resolve the bug. The proposed new settings
in yarn-site.xml are:
> yarn.client.nodemanager-connect.max-wait-ms = 60,000
> yarn.client.nodemanager-connect.retry-interval-ms = 10,000
> If the underlying rpc retry takes 1 sec * 50 times to finish (50 secs), this will make
each round of retry to be 10 + 50 secs = 1 minute. From the code, there will be 60,000 / 10,000
= 6 times of retries. So, in total, if the node manager accidentally crashed and never goes
up, we well retry 1 minute * 6 times = 6 minutes. The whole calculation is based on the rpc
settings (50 times, 1 sec sleep time),
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/stacks/HDP/2.2.GlusterFS/services/YARN/configuration/yarn-site.xml
2eb1bcc 
>   ambari-server/src/main/resources/stacks/HDP/2.2/services/YARN/configuration/yarn-site.xml
847711a 
>   ambari-server/src/main/resources/stacks/HDPWIN/2.2/services/YARN/configuration/yarn-site.xml
847711a 
> 
> Diff: https://reviews.apache.org/r/29765/diff/
> 
> 
> Testing
> -------
> 
> [INFO] ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO] 
> [INFO] Ambari Views ...................................... SUCCESS [4.585s]
> [INFO] Ambari Server ..................................... SUCCESS [33.352s]
> [INFO] Ambari Agent ...................................... SUCCESS [15.611s]
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 56.009s
> [INFO] Finished at: Fri Jan 09 18:43:37 FET 2015
> [INFO] Final Memory: 38M/381M
> [INFO] ------------------------------------------------------------------------
> 
> 
> Thanks,
> 
> Dmitro Lisnichenko
> 
>


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