HBASE-27379 fix numOpenConnections metric is one less than the actual

[zhaomoran]

https://issues.apache.org/jira/browse/HBASE-27379

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 38s	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	2m 47s	master passed
+1 💚	compile	2m 22s	master passed
+1 💚	checkstyle	0m 32s	master passed
+1 💚	spotless	0m 39s	branch has no errors when running spotless:check.
+1 💚	spotbugs	1m 20s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 22s	the patch passed
+1 💚	compile	2m 17s	the patch passed
+1 💚	javac	2m 17s	the patch passed
+1 💚	checkstyle	0m 31s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	8m 49s	Patch does not cause any errors with Hadoop 3.2.4 3.3.4.
+1 💚	spotless	0m 36s	patch has no errors when running spotless:check.
+1 💚	spotbugs	1m 26s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 9s	The patch does not generate ASF License warnings.
		30m 10s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4884/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#4884
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
uname	Linux 1e3a7dd13cbb 5.4.0-1085-aws #92~18.04.1-Ubuntu SMP Wed Aug 31 17:21:08 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / e5463e8
Default Java	Eclipse Adoptium-11.0.17+8
Max. process+thread count	79 (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-4884/1/console
versions	git=2.34.1 maven=3.8.6 spotbugs=4.7.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 38s	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	2m 22s	master passed
+1 💚	compile	0m 35s	master passed
+1 💚	shadedjars	4m 3s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 23s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 7s	the patch passed
+1 💚	compile	0m 36s	the patch passed
+1 💚	javac	0m 36s	the patch passed
+1 💚	shadedjars	4m 1s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 20s	the patch passed
		_ Other Tests _
+1 💚	unit	203m 16s	hbase-server in the patch passed.
		222m 44s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4884/1/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#4884
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 3f025eeafeb5 5.4.0-1088-aws #96~18.04.1-Ubuntu SMP Mon Oct 17 02:57:48 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / e5463e8
Default Java	Temurin-1.8.0_352-b08
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4884/1/testReport/
Max. process+thread count	2402 (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-4884/1/console
versions	git=2.34.1 maven=3.8.6
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 8s	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	2m 48s	master passed
+1 💚	compile	0m 45s	master passed
+1 💚	shadedjars	3m 50s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 27s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 37s	the patch passed
+1 💚	compile	0m 48s	the patch passed
+1 💚	javac	0m 48s	the patch passed
+1 💚	shadedjars	3m 50s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 25s	the patch passed
		_ Other Tests _
+1 💚	unit	213m 18s	hbase-server in the patch passed.
		234m 16s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4884/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#4884
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux bff8f4054250 5.4.0-131-generic #147-Ubuntu SMP Fri Oct 14 17:07:22 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / e5463e8
Default Java	Eclipse Adoptium-11.0.17+8
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4884/1/testReport/
Max. process+thread count	2505 (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-4884/1/console
versions	git=2.34.1 maven=3.8.6
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.