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https://issues.apache.org/jira/browse/GRIFFIN-295?focusedWorklogId=337315&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-337315
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ASF GitHub Bot logged work on GRIFFIN-295:
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Author: ASF GitHub Bot
Created on: 01/Nov/19 13:56
Start Date: 01/Nov/19 13:56
Worklog Time Spent: 10m
Work Description: asfgit commented on pull request #546:
[GRIFFIN-295]Limit the memory used by test case
URL: https://github.com/apache/griffin/pull/546
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Issue Time Tracking
-------------------
Worklog Id: (was: 337315)
Time Spent: 1h 40m (was: 1.5h)
> Limit the memory used by test case
> ----------------------------------
>
> Key: GRIFFIN-295
> URL: https://issues.apache.org/jira/browse/GRIFFIN-295
> Project: Griffin
> Issue Type: Improvement
> Reporter: Wan Kun
> Priority: Major
> Attachments: 1.png, 2.png, 3.png, 4.png
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> The container memory size is 3G in travis, but out test cases always uses
> more than 3G memory, so `Cannot allocate memory` will be thrown.
>
> {code:java}
> Java HotSpot(TM) 64-Bit Server VM warning: INFO:
> os::commit_memory(0x00000000fe980000, 23592960, 0) failed; error='Cannot
> allocate memory' (errno=12)
> #
> # There is insufficient memory for the Java Runtime Environment to continue.
> # Native memory allocation (mmap) failed to map 23592960 bytes for committing
> reserved memory.
> # An error report file with more information is saved as:
> # /home/travis/build/apache/griffin/measure/hs_err_pid11948.log
> # [ timer expired, abort... ]
> {code}
>
> There are two kind of programs in our tests, the maven main program and the
> tests run by maven-surefire-plugin and scalatest-maven-plugin.
> If the memory is not limited, test cases will occupy as much memory as
> possible especially spark jobs.
> Spark jobs will not free the memory until a full GC occurs , even if we have
> stopped the spark context .so we need to limit the momery used by test cases.
> We can limit the maven memory used by set export MAVEN_OPTS=" -Xmx1024m
> -XX:ReservedCodeCacheSize=128m" , and we can limit the memory used by spark
> job tests by configuring the maven-surefire-plugin and scalatest-maven-plugin.
>
> For example:
> Before we limit the memory used, maven program occupy 1.5G memory and spark
> job occupy 1.8G memory.
> !1.png!
> !2.png!
>
> After we limit the memory used, maven program occupy 1G memory and spark job
> occupy 1G memory.
>
> !3.png!
>
> !4.png!
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