TEZ-4334: Fix deadlock in ShuffleScheduler between ShuffleScheduler.close() and the ShufflePenaltyReferee thread by abstractdog · Pull Request #273 · apache/tez

abstractdog · 2023-02-28T14:14:06Z

This patch resolved a deadlock between different parts of ShuffleSheduler:

tez/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/shuffle/orderedgrouped/ShuffleScheduler.java
Line 1062 in 6bd6f9c
exceptionReporter.reportException(newIOException(errorMsg, fetchFailure.getCause()));
tez/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/common/shuffle/orderedgrouped/ShuffleScheduler.java
Line 1336 in 6bd6f9c
synchronized (ShuffleScheduler.this) {

The patch
a) removed synchronized keyword from copyFailed method, but let parts of that method remain sync
b) removed the boolean return mess from methods that called from copyFailed and introduced a clearer IOException pattern and let the exceptionReporter be called from a non-sync part, at one single place

…lose() and the ShufflePenaltyReferee thread

tez-yetus · 2023-03-03T10:04:25Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	25m 21s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1 💚	mvninstall	15m 47s	master passed
+1 💚	compile	0m 38s	master passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	compile	0m 29s	master passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+1 💚	checkstyle	1m 2s	master passed
+1 💚	javadoc	0m 38s	master passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	javadoc	0m 27s	master passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+0 🆗	spotbugs	1m 22s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	1m 18s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	0m 22s	the patch passed
+1 💚	compile	0m 23s	the patch passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	javac	0m 23s	the patch passed
+1 💚	compile	0m 21s	the patch passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+1 💚	javac	0m 21s	the patch passed
+1 💚	checkstyle	0m 14s	tez-runtime-library: The patch generated 0 new + 37 unchanged - 2 fixed = 37 total (was 39)
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	javadoc	0m 18s	the patch passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	javadoc	0m 17s	the patch passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+1 💚	findbugs	0m 59s	the patch passed
		_ Other Tests _
+1 💚	unit	5m 30s	tez-runtime-library in the patch passed.
+1 💚	asflicense	0m 14s	The patch does not generate ASF License warnings.
		55m 11s

Subsystem	Report/Notes
Docker	ClientAPI=1.42 ServerAPI=1.42 base: https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-273/3/artifact/out/Dockerfile
GITHUB PR	#273
JIRA Issue	TEZ-4334
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs checkstyle compile
uname	Linux 7d957bdff81b 4.15.0-200-generic #211-Ubuntu SMP Thu Nov 24 18:16:04 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/tez.sh
git revision	master / `6bd6f9c`
Default Java	Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
Test Results	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-273/3/testReport/
Max. process+thread count	2090 (vs. ulimit of 5500)
modules	C: tez-runtime-library U: tez-runtime-library
Console output	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-273/3/console
versions	git=2.34.1 maven=3.6.3 findbugs=3.0.1
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tez-yetus · 2023-03-03T10:13:27Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 42s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1 💚	mvninstall	16m 7s	master passed
+1 💚	compile	0m 36s	master passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	compile	0m 30s	master passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+1 💚	checkstyle	0m 59s	master passed
+1 💚	javadoc	0m 39s	master passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	javadoc	0m 25s	master passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+0 🆗	spotbugs	1m 28s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	1m 25s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	0m 21s	the patch passed
+1 💚	compile	0m 24s	the patch passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	javac	0m 24s	the patch passed
+1 💚	compile	0m 20s	the patch passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+1 💚	javac	0m 20s	the patch passed
+1 💚	checkstyle	0m 13s	tez-runtime-library: The patch generated 0 new + 37 unchanged - 2 fixed = 37 total (was 39)
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	javadoc	0m 17s	the patch passed with JDK Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04
+1 💚	javadoc	0m 16s	the patch passed with JDK Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
+1 💚	findbugs	0m 58s	the patch passed
		_ Other Tests _
+1 💚	unit	5m 15s	tez-runtime-library in the patch passed.
+1 💚	asflicense	0m 14s	The patch does not generate ASF License warnings.
		30m 32s

Subsystem	Report/Notes
Docker	ClientAPI=1.42 ServerAPI=1.42 base: https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-273/4/artifact/out/Dockerfile
GITHUB PR	#273
JIRA Issue	TEZ-4334
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs checkstyle compile
uname	Linux 302f69617d1e 4.15.0-200-generic #211-Ubuntu SMP Thu Nov 24 18:16:04 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/tez.sh
git revision	master / `6bd6f9c`
Default Java	Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.18+10-post-Ubuntu-0ubuntu122.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_362-8u362-ga-0ubuntu1~22.04-b09
Test Results	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-273/4/testReport/
Max. process+thread count	2091 (vs. ulimit of 5500)
modules	C: tez-runtime-library U: tez-runtime-library
Console output	https://ci-hadoop.apache.org/job/tez-multibranch/job/PR-273/4/console
versions	git=2.34.1 maven=3.6.3 findbugs=3.0.1
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

rbalamohan · 2023-03-06T14:52:28Z

Good catch. This should happen more in clusters with bad nodes (in exception codepath).

LGTM. +1

…lose() and the ShufflePenaltyReferee thread (apache#273) (Laszlo Bodor, Sungwoo Park, reviewed by Rajesh Balamohan) (cherry picked from commit 25a9536)

…lose() and the ShufflePenaltyReferee thread (apache#273) (Laszlo Bodor, Sungwoo Park, reviewed by Rajesh Balamohan) (cherry picked from commit 25a9536) (cherry picked from commit 6b5355a)

…cheduler.close() and the ShufflePenaltyReferee thread (apache#273) (Laszlo Bodor, Sungwoo Park, reviewed by Rajesh Balamohan) (#17) (cherry picked from commit 25a9536) (cherry picked from commit 6b5355a) Co-authored-by: Bodor Laszlo <bodorlaszlo0202@gmail.com>

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abstractdog force-pushed the TEZ-4334 branch from 6a679e4 to f9630d7Compare February 28, 2023 16:18

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abstractdog force-pushed the TEZ-4334 branch from f9630d7 to 32d0771Compare March 3, 2023 09:08

abstractdog requested a review from rbalamohan March 3, 2023 09:11

abstractdog changed the title ~~TEZ-4334: Fix deadlock in ShuffleScheduler - wip~~TEZ-4334: Fix deadlock in ShuffleSchedulerMar 3, 2023

abstractdog changed the title ~~TEZ-4334: Fix deadlock in ShuffleScheduler~~TEZ-4334: Fix deadlock in ShuffleScheduler between ShuffleScheduler.close() and the ShufflePenaltyReferee threadMar 3, 2023

TEZ-4334: Fix deadlock in ShuffleScheduler between ShuffleScheduler.c…
05f1c7a
…lose() and the ShufflePenaltyReferee thread

abstractdog force-pushed the TEZ-4334 branch from 32d0771 to 05f1c7aCompare March 3, 2023 09:42

abstractdog mentioned this pull request Mar 3, 2023
TEZ-4334: Resolve deadlock in ShuffleScheduler which occurs when ShufflePenaltyReferee waits for the lock of ShuffleScheduler #150
Closed

abstractdog merged commit 25a9536 into apache:masterMar 6, 2023

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TEZ-4334: Fix deadlock in ShuffleScheduler between ShuffleScheduler.close() and the ShufflePenaltyReferee thread - #273

TEZ-4334: Fix deadlock in ShuffleScheduler between ShuffleScheduler.close() and the ShufflePenaltyReferee thread#273
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