HBASE-25932: Ensure replication reads the trailer bytes from WAL. (#3…

[bharathv]

…332)

This bug was exposed by the test from HBASE-25924. Since this wal
implementations close the wal asynchronously, replication can potentially
miss the trailer bytes. (see jira comment for detailed analysis).

While this is not a correctness problem (since trailer does not have any entry data),
it erroneously bumps a metric that is used to track skipped bytes in WAL resulting
in false alarms which is something we should avoid.

Reviewed-by: Rushabh Shah rushabh.shah@salesforce.com
Signed-off-by: Viraj Jasani vjasani@apache.org
Signed-off-by Anoop Sam John anoopsamjohn@apache.org
(cherry picked from commit b04c3c7)

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
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		_ branch-2.4 Compile Tests _
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		_ Patch Compile Tests _
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+1 💚	compile	3m 22s	the patch passed
+1 💚	javac	3m 22s	the patch passed
-0 ⚠️	checkstyle	1m 12s	hbase-server: The patch generated 2 new + 15 unchanged - 0 fixed = 17 total (was 15)
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+1 💚	spotbugs	2m 21s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 13s	The patch does not generate ASF License warnings.
		50m 39s

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-3346/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#3346
JIRA Issue	HBASE-25932
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
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-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	4m 23s	branch-2.4 passed
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		_ Patch Compile Tests _
+1 💚	mvninstall	3m 58s	the patch passed
+1 💚	compile	1m 6s	the patch passed
+1 💚	javac	1m 6s	the patch passed
+1 💚	shadedjars	6m 48s	patch has no errors when building our shaded downstream artifacts.
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		_ Other Tests _
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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-3346/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#3346
JIRA Issue	HBASE-25932
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 1be39224e3c8 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-2.4 / 1972261
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Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3346/1/testReport/
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modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3346/1/console
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 14s	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	4m 2s	branch-2.4 passed
+1 💚	compile	0m 59s	branch-2.4 passed
+1 💚	shadedjars	6m 32s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 39s	branch-2.4 passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 41s	the patch passed
+1 💚	compile	0m 58s	the patch passed
+1 💚	javac	0m 58s	the patch passed
+1 💚	shadedjars	6m 33s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 35s	the patch passed
		_ Other Tests _
+1 💚	unit	206m 21s	hbase-server in the patch passed.
		233m 40s

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-3346/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#3346
JIRA Issue	HBASE-25932
Optional Tests	javac javadoc unit shadedjars compile
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Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	branch-2.4 / 1972261
Default Java	AdoptOpenJDK-1.8.0_282-b08
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3346/1/testReport/
Max. process+thread count	2530 (vs. ulimit of 12500)
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Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3346/1/console
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