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From Jake Maes <jma...@apache.org>
Subject Re: Review Request 52492: Adding monitor to clean up stale local stores of jobs/tasks.
Date Tue, 25 Oct 2016 21:28:13 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/52492/#review153824
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Fix it, then Ship it!





samza-rest/src/main/java/org/apache/samza/monitor/LocalStoreMonitor.java (line 81)
<https://reviews.apache.org/r/52492/#comment223300>

    I wasn't specific enough. Not just the word/acronym "Yarn", but all Yarn-related terminology
should be removed. No "NodeManager", "ResourceManager" or any other yarn component or concept
should be referenced.


- Jake Maes


On Oct. 25, 2016, 8:14 p.m., Shanthoosh Venkataraman wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/52492/
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> 
> (Updated Oct. 25, 2016, 8:14 p.m.)
> 
> 
> Review request for samza.
> 
> 
> Repository: samza
> 
> 
> Description
> -------
> 
> This patch contains the samza-rest monitor that periodically cleans up the stale local
stores of dead jobs/tasks. It performs the store deletion in two phases. Initially it deletes
the offset file in the local task stores if the following condition is true. ((jobIsNotRunning
|| preferedHost != nmHost) && offsetFilelastModifiedTime is greater than deleteRetention).
During the subsequent run, it deletes the local task stores if it does not contain offset
file. Please refer to the design doc of SAMZA-656 (https://issues.apache.org/jira/secure/attachment/12828083/DESIGN-SAMZA-656.pdf)
for more details.
> 
> 
> Diffs
> -----
> 
>   build.gradle 2bea27b75288d3103178bc3762b9556f6e69cdd1 
>   samza-rest/src/main/java/org/apache/samza/monitor/LocalStoreMonitor.java PRE-CREATION

>   samza-rest/src/main/java/org/apache/samza/monitor/LocalStoreMonitorConfig.java PRE-CREATION

>   samza-rest/src/main/java/org/apache/samza/monitor/LocalStoreMonitorFactory.java PRE-CREATION

>   samza-rest/src/main/java/org/apache/samza/rest/resources/ResourceConstants.java PRE-CREATION

>   samza-rest/src/test/java/org/apache/samza/monitor/TestLocalStoreMonitor.java PRE-CREATION

> 
> Diff: https://reviews.apache.org/r/52492/diff/
> 
> 
> Testing
> -------
> 
> Unit testing and manual testing are done to verify the functionality.
> 
> 
> Thanks,
> 
> Shanthoosh Venkataraman
> 
>


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