Backport "HBASE-25513 When the table is turned on normalize, the first region may not be merged even the size is 0 (#2887)"

[ndimiduk]

Signed-off-by: Nick Dimiduk ndimiduk@apache.org

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	2m 9s	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-2.4 Compile Tests _
+1 💚	mvninstall	5m 1s	branch-2.4 passed
+1 💚	compile	4m 2s	branch-2.4 passed
+1 💚	checkstyle	1m 34s	branch-2.4 passed
+1 💚	spotbugs	2m 14s	branch-2.4 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 40s	the patch passed
+1 💚	compile	3m 18s	the patch passed
+1 💚	javac	3m 18s	the patch passed
+1 💚	checkstyle	1m 14s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	19m 7s	Patch does not cause any errors with Hadoop 2.10.0 or 3.1.2 3.2.1.
+1 💚	spotbugs	2m 20s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 13s	The patch does not generate ASF License warnings.
		53m 2s

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-2895/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#2895
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile
uname	Linux 34aa931be5e6 4.15.0-101-generic #102-Ubuntu SMP Mon May 11 10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2.4 / 52aa1cb
Default Java	AdoptOpenJDK-1.8.0_232-b09
Max. process+thread count	86 (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-2895/1/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 47s	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-2.4 Compile Tests _
+1 💚	mvninstall	5m 50s	branch-2.4 passed
+1 💚	compile	1m 28s	branch-2.4 passed
+1 💚	shadedjars	9m 3s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 54s	branch-2.4 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	5m 18s	the patch passed
+1 💚	compile	1m 26s	the patch passed
+1 💚	javac	1m 26s	the patch passed
+1 💚	shadedjars	6m 59s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 38s	the patch passed
		_ Other Tests _
+1 💚	unit	130m 30s	hbase-server in the patch passed.
		165m 25s

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-2895/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#2895
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 22c7b8c76957 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-2.4 / 52aa1cb
Default Java	AdoptOpenJDK-11.0.6+10
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2895/1/testReport/
Max. process+thread count	4431 (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-2895/1/console
versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 35s	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-2.4 Compile Tests _
+1 💚	mvninstall	3m 45s	branch-2.4 passed
+1 💚	compile	0m 59s	branch-2.4 passed
+1 💚	shadedjars	5m 58s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 39s	branch-2.4 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 18s	the patch passed
+1 💚	compile	0m 59s	the patch passed
+1 💚	javac	0m 59s	the patch passed
+1 💚	shadedjars	6m 5s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 36s	the patch passed
		_ Other Tests _
+1 💚	unit	151m 30s	hbase-server in the patch passed.
		177m 47s

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-2895/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#2895
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 6364f2ee284d 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	branch-2.4 / 52aa1cb
Default Java	AdoptOpenJDK-1.8.0_232-b09
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2895/1/testReport/
Max. process+thread count	3511 (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-2895/1/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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