HBASE-27437 TestHeapSize is flaky

[Apache9]

No description provided.

[Apache9]

@saintstack PTAL.

I changed to count the total time of calculating all the overhead of classes 100 times, I think this could smooth the rare spikes when executing the UT.

Thanks.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 46s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ master Compile Tests _
+1 💚	mvninstall	3m 9s	master passed
+1 💚	compile	2m 44s	master passed
+1 💚	checkstyle	0m 38s	master passed
+1 💚	spotless	0m 50s	branch has no errors when running spotless:check.
+1 💚	spotbugs	1m 39s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 44s	the patch passed
+1 💚	compile	2m 49s	the patch passed
+1 💚	javac	2m 49s	the patch passed
+1 💚	checkstyle	0m 37s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	9m 13s	Patch does not cause any errors with Hadoop 3.2.4 3.3.4.
+1 💚	spotless	0m 49s	patch has no errors when running spotless:check.
+1 💚	spotbugs	1m 38s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 10s	The patch does not generate ASF License warnings.
		34m 12s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4841/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#4841
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
uname	Linux c8949290d532 5.4.0-1081-aws #88~18.04.1-Ubuntu SMP Thu Jun 23 16:29:17 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / c881eb1
Default Java	Temurin-1.8.0_345-b01
Max. process+thread count	66 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4841/1/console
versions	git=2.17.1 maven=3.6.3 spotbugs=4.7.2
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 20s	Docker mode activated.
-0 ⚠️	yetus	0m 3s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	2m 48s	master passed
+1 💚	compile	0m 41s	master passed
+1 💚	shadedjars	4m 24s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 29s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 20s	the patch passed
+1 💚	compile	0m 39s	the patch passed
+1 💚	javac	0m 39s	the patch passed
+1 💚	shadedjars	4m 25s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 25s	the patch passed
		_ Other Tests _
+1 💚	unit	215m 24s	hbase-server in the patch passed.
		235m 56s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4841/1/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#4841
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux ffdc7d27cfc8 5.4.0-1081-aws #88~18.04.1-Ubuntu SMP Thu Jun 23 16:29:17 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / c881eb1
Default Java	Temurin-1.8.0_345-b01
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4841/1/testReport/
Max. process+thread count	2903 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4841/1/console
versions	git=2.17.1 maven=3.6.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

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[GeorryHuang]

LGTM