HBASE-25339 Method parameter and member variable are duplicated in ch…

[GeorryHuang]

…eckSplittable() of SplitTableRegionProcedure

We input a this.bestSplitRow as splitRow of checkSplittable()

private void checkSplittable(final MasterProcedureEnv env,
    final RegionInfo regionToSplit, final byte[] splitRow)

But this private method could use 'bestSplitRow' directly

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	2m 44s	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.
		_ branch-2 Compile Tests _
+1 💚	mvninstall	4m 48s	branch-2 passed
+1 💚	checkstyle	1m 25s	branch-2 passed
+1 💚	spotbugs	2m 27s	branch-2 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	4m 9s	the patch passed
+1 💚	checkstyle	1m 17s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	13m 9s	Patch does not cause any errors with Hadoop 3.1.2 3.2.1.
+1 💚	spotbugs	2m 15s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 13s	The patch does not generate ASF License warnings.
		40m 14s

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#2722
Optional Tests	dupname asflicense spotbugs hadoopcheck hbaseanti checkstyle
uname	Linux f013f0330789 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	branch-2 / d6d0a20
Max. process+thread count	84 (vs. ulimit of 12500)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/console
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 12s	Docker mode activated.
-0 ⚠️	yetus	0m 6s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ branch-2 Compile Tests _
+1 💚	mvninstall	4m 15s	branch-2 passed
+1 💚	compile	1m 6s	branch-2 passed
+1 💚	shadedjars	6m 43s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 42s	branch-2 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 58s	the patch passed
+1 💚	compile	1m 7s	the patch passed
+1 💚	javac	1m 7s	the patch passed
+1 💚	shadedjars	6m 41s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 40s	the patch passed
		_ Other Tests _
+1 💚	unit	135m 58s	hbase-server in the patch passed.
		164m 42s

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#2722
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 708a337c5aa2 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	branch-2 / d6d0a20
Default Java	AdoptOpenJDK-11.0.6+10
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/testReport/
Max. process+thread count	4095 (vs. ulimit of 12500)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/console
versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 35s	Docker mode activated.
-0 ⚠️	yetus	0m 7s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ branch-2 Compile Tests _
+1 💚	mvninstall	3m 41s	branch-2 passed
+1 💚	compile	0m 56s	branch-2 passed
+1 💚	shadedjars	5m 57s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 39s	branch-2 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 20s	the patch passed
+1 💚	compile	0m 56s	the patch passed
+1 💚	javac	0m 56s	the patch passed
+1 💚	shadedjars	5m 58s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 35s	the patch passed
		_ Other Tests _
+1 💚	unit	153m 51s	hbase-server in the patch passed.
		178m 37s

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#2722
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 9ad5e4b3385e 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2 / d6d0a20
Default Java	AdoptOpenJDK-1.8.0_232-b09
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/testReport/
Max. process+thread count	3888 (vs. ulimit of 12500)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2722/1/console
versions	git=2.17.1 maven=3.6.3
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