Prevent OOM on array size over VM limit #414

yingsu00 · 2018-09-10T09:51:42Z

When we try to read text file line over the VM limit (current Hotspot
VM limit is 2^31-m where m is a small number ), the VM throws
java.lang.OutOfMemoryError: Requested array size exceeds VM limit.
This commit is to avoid this error by throwing IOException instead so
that the caller can handle.

Reference: https://plumbr.io/outofmemoryerror/requested-array-size-exceeds-vm-limit

When we try to read text file line over the VM limit (current Hotspot VM limit is 2^31-5), the VM throws java.lang.OutOfMemoryError: Requested array size exceeds VM limit. This commit is to avoid this error by throwing IOException instead so that the caller can handle.

hadoop-yetus · 2019-07-19T16:53:37Z

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		_ trunk Compile Tests _
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Subsystem	Report/Notes
Docker	Client=18.09.8 Server=18.09.8 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-414/1/artifact/out/Dockerfile
GITHUB PR	#414
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hadoop-yetus · 2019-07-26T18:05:11Z

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GITHUB PR	#414
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hadoop-yetus · 2019-08-02T04:46:19Z

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hadoop-yetus · 2019-08-08T06:30:42Z

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hadoop-yetus · 2019-08-16T20:22:58Z

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hadoop-yetus · 2019-08-20T17:46:06Z

💔 -1 overall

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		5828

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hadoop-yetus · 2019-08-22T17:14:24Z

💔 -1 overall

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Reason	Tests
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hadoop-yetus · 2019-08-27T14:04:42Z

💔 -1 overall

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hadoop-yetus · 2019-09-03T05:34:14Z

💔 -1 overall

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		6104

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-414/9/artifact/out/Dockerfile
GITHUB PR	#414
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux a95487025ef1 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / `915cbc9`
Default Java	1.8.0_222
checkstyle	https://builds.apache.org/job/hadoop-multibranch/job/PR-414/9/artifact/out/diff-checkstyle-hadoop-common-project_hadoop-common.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-414/9/testReport/
Max. process+thread count	1400 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-414/9/console
versions	git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1
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Author: Prateek Maheshwari <[email protected]> Reviewers: Jagadish<[email protected]> Closes apache#414 from prateekm/print-container-info

github-actions · 2025-12-27T00:24:31Z

We're closing this stale PR because it has been open for 100 days with no activity. This isn't a judgement on the merit of the PR in any way. It's just a way of keeping the PR queue manageable.
If you feel like this was a mistake, or you would like to continue working on it, please feel free to re-open it and ask for a committer to remove the stale tag and review again.
Thanks all for your contribution.

yingsu00 mentioned this pull request Sep 10, 2018

Line reader prestodb/presto-hadoop-apache#30

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github-actions bot added the Stale label Dec 27, 2025

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Prevent OOM on array size over VM limit #414

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