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https://issues.apache.org/jira/browse/HADOOP-19743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18038956#comment-18038956
]
ASF GitHub Bot commented on HADOOP-19743:
-----------------------------------------
steveloughran opened a new pull request, #8087:
URL: https://github.com/apache/hadoop/pull/8087
Contributed by Steve Loughran
### How was this patch tested?
running ITestS3ACommitterMRJob from IDE and CLI.
Saw a new error message coming from #8061 ; reported it on the JIRA.
```
[INFO] Running
org.apache.hadoop.fs.s3a.commit.integration.ITestS3ACommitterMRJob
WARNING: A terminally deprecated method in java.lang.System has been called
WARNING: System::setSecurityManager has been called by
org.apache.hadoop.security.authentication.util.SubjectUtil
(file:/Users/stevel/.m2/repository/org/apache/hadoop/hadoop-auth/3.5.0-SNAPSHOT/hadoop-auth-3.5.0-SNAPSHOT.jar)
WARNING: Please consider reporting this to the maintainers of
org.apache.hadoop.security.authentication.util.SubjectUtil
WARNING: System::setSecurityManager will be removed in a future release
```
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [X] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> S3A: ITestS3ACommitterMRJob MR process OOM on java17
> ----------------------------------------------------
>
> Key: HADOOP-19743
> URL: https://issues.apache.org/jira/browse/HADOOP-19743
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3, test
> Affects Versions: 3.5.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
>
> MR AppMaster launched by S3ACommitterMRJob can OOM on java17 while launching
> because the heap size is set for all forked processes to 128M.
> {code}
> ava.lang.OutOfMemoryError: Java heap space
> at
> java.base/java.io.BufferedOutputStream.<init>(BufferedOutputStream.java:75)
> at
> org.apache.hadoop.fs.statistics.BufferedIOStatisticsOutputStream.<init>(BufferedIOStatisticsOutputStream.java:78)
> at
> org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:629)
> at
> org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:660)
> {code}
> Fix: double it. Why not larger? increases memory footprint and in parallel
> test runs with many junit threads running there's a lot of load on memory
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