YARN-10058. Handle uncaught exception for async-scheduling threads to prevent scheduler hangs #7129

TaoYang526 · 2024-10-25T04:57:53Z

Description of PR

Handle uncaught exception for async-scheduling threads to prevent scheduler hangs.

How was this patch tested?

Includes 2 unit tests:
(1) HA-disabled: RM should be shutdown after async-scheduling thread exit.
(2) HA-enabled: RM1 should be transitioned from active to standby after async-scheduling thread exit, and this RM should work once it is activated again.

For code changes:

Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
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?
If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

TaoYang526 · 2024-10-25T05:00:14Z

@shameersss1 @slfan1989 Could you help to review this PR please? Thanks.

hadoop-yetus · 2024-10-25T08:55:55Z

💔 -1 overall

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			_ Other Tests _
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+1 💚	asflicense	0m 37s		The patch does not generate ASF License warnings.
		236m 41s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/1/artifact/out/Dockerfile
GITHUB PR	#7129
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modules	C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/1/console
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hadoop-yetus · 2024-10-25T09:06:04Z

💔 -1 overall

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			_ trunk Compile Tests _
+1 💚	mvninstall	44m 51s		trunk passed
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			_ Patch Compile Tests _
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+1 💚	compile	0m 49s		the patch passed with JDK Private Build-1.8.0_422-8u422-b05-1~20.04-b05
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			_ Other Tests _
+1 💚	unit	105m 42s		hadoop-yarn-server-resourcemanager in the patch passed.
+1 💚	asflicense	0m 38s		The patch does not generate ASF License warnings.
		236m 48s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/2/artifact/out/Dockerfile
GITHUB PR	#7129
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slfan1989 · 2024-10-25T09:30:40Z

@TaoYang526 I'm sorry I've been busy this past week. I'll take a look at the PR you submitted over the weekend.

shameersss1

Thanks for taking this up quickly.
The changes look good to me +1

…o prevent scheduler hangs.

TaoYang526 · 2024-10-30T03:02:51Z

Thanks for taking this up quickly. The changes look good to me +1

Thanks @shameersss1 for the review.

I'll merge and then force-push to trigger testing for the patch.

hadoop-yetus · 2024-10-30T07:16:21Z

🎊 +1 overall

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			_ Other Tests _
+1 💚	unit	105m 33s		hadoop-yarn-server-resourcemanager in the patch passed.
+1 💚	asflicense	0m 37s		The patch does not generate ASF License warnings.
		248m 45s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/3/artifact/out/Dockerfile
GITHUB PR	#7129
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versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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shameersss1 · 2024-10-31T08:58:59Z

@slfan1989 - Could you please review this as well ? (This is a minor change)

hadoop-yetus · 2024-11-05T06:21:05Z

🎊 +1 overall

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			_ Other Tests _
+1 💚	unit	105m 33s		hadoop-yarn-server-resourcemanager in the patch passed.
+1 💚	asflicense	0m 38s		The patch does not generate ASF License warnings.
		248m 50s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/4/artifact/out/Dockerfile
GITHUB PR	#7129
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/4/testReport/
Max. process+thread count	940 (vs. ulimit of 5500)
modules	C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7129/4/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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github-actions bot added YARN trunk labels Oct 25, 2024

shameersss1 approved these changes Oct 25, 2024

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[YARN-10058] Handle uncaught exception for async-scheduling threads t…

edf8db8

…o prevent scheduler hangs.

TaoYang526 force-pushed the YARN-10058 branch from 808208b to edf8db8 Compare October 30, 2024 03:06

shameersss1 mentioned this pull request Nov 4, 2024

YARN-7237: Enable asynchronous scheduling by default for capacity scheduler #7138

Open

4 tasks

Imporve UT: use GenericTestUtils#waitFor and avoid intermittent failure.

8bcfd73

TaoYang526 changed the title ~~[YARN-10058] Handle uncaught exception for async-scheduling threads to prevent scheduler hangs~~ YARN-10058. Handle uncaught exception for async-scheduling threads to prevent scheduler hangs Nov 5, 2024

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YARN-10058. Handle uncaught exception for async-scheduling threads to prevent scheduler hangs #7129

YARN-10058. Handle uncaught exception for async-scheduling threads to prevent scheduler hangs #7129

TaoYang526 commented Oct 25, 2024 •

edited

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TaoYang526 commented Oct 25, 2024

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hadoop-yetus commented Nov 5, 2024

YARN-10058. Handle uncaught exception for async-scheduling threads to prevent scheduler hangs #7129

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YARN-10058. Handle uncaught exception for async-scheduling threads to prevent scheduler hangs #7129

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TaoYang526 commented Oct 25, 2024 • edited Loading

Description of PR

How was this patch tested?

For code changes:

TaoYang526 commented Oct 25, 2024

hadoop-yetus commented Oct 25, 2024

hadoop-yetus commented Oct 25, 2024

slfan1989 commented Oct 25, 2024

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TaoYang526 commented Oct 30, 2024

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shameersss1 commented Oct 31, 2024

hadoop-yetus commented Nov 5, 2024

TaoYang526 commented Oct 25, 2024 •

edited

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