HBASE-25626 Possible Resource Leak in HeterogeneousRegionCountCostFunction

[Nargeshdb]

This PR fixes the issue mentioned here.

[shahrs87]

+1 non-binding.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 27s	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 50s	master passed
+1 💚	compile	3m 13s	master passed
+1 💚	checkstyle	1m 4s	master passed
+1 💚	spotbugs	2m 3s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 26s	the patch passed
+1 💚	compile	3m 15s	the patch passed
+1 💚	javac	3m 15s	the patch passed
+1 💚	checkstyle	1m 3s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	17m 27s	Patch does not cause any errors with Hadoop 3.1.2 3.2.1 3.3.0.
+1 💚	spotbugs	2m 9s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 15s	The patch does not generate ASF License warnings.
		45m 31s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3007/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#3007
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile
uname	Linux e1dd38000a80 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / b522d2a
Default Java	AdoptOpenJDK-1.8.0_282-b08
Max. process+thread count	96 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3007/1/console
versions	git=2.17.1 maven=3.6.3 spotbugs=3.1.12
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[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 27s	Docker mode activated.
-0 ⚠️	yetus	0m 2s	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	3m 52s	master passed
+1 💚	compile	0m 58s	master passed
+1 💚	shadedjars	6m 39s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 40s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 30s	the patch passed
+1 💚	compile	0m 59s	the patch passed
+1 💚	javac	0m 59s	the patch passed
+1 💚	shadedjars	6m 39s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 39s	the patch passed
		_ Other Tests _
-1 ❌	unit	142m 43s	hbase-server in the patch failed.
		169m 20s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3007/1/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#3007
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 71fd09a6f4fc 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / b522d2a
Default Java	AdoptOpenJDK-1.8.0_282-b08
unit	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3007/1/artifact/yetus-jdk8-hadoop3-check/output/patch-unit-hbase-server.txt
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3007/1/testReport/
Max. process+thread count	3909 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3007/1/console
versions	git=2.17.1 maven=3.6.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.