HBASE-26210 HBase Write should be doomed to hang when cell size excee…

[comnetwork]

…ds InmemoryFlushSize for CompactingMemStore

[Apache-HBase]

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[Apache9]

Could you please explain a bit on the approach here? We just skip adding the size?

[comnetwork]

@Apache9 , My PR not skip adding the size，it still add the size before really adding the cell to currActive , but it just change checking currActive size logic in CompactingMemStore.shouldFlushInMemory a little to make it similar to normal DefaultMemStore flushing to disk : it not make sure the size of currActive strictly less than inmemoryFlushSize any more, instead, it can tolerate the size of currActive just crossing the inmemoryFlushSize boundary at most one cell. Before adding the cell size, we make sure currActive size less than inmemoryFlushSize , and after adding cell size to the currActive size, we check whether its size exceeding inmemoryFlushSize , if it is , we flush the currActive in memory.

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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 33s	Docker mode activated.
-0 ⚠️	yetus	0m 4s	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 48s	master passed
+1 💚	compile	1m 4s	master passed
+1 💚	shadedjars	8m 35s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 38s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 54s	the patch passed
+1 💚	compile	1m 5s	the patch passed
+1 💚	javac	1m 5s	the patch passed
+1 💚	shadedjars	8m 29s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 36s	the patch passed
		_ Other Tests _
+1 💚	unit	149m 43s	hbase-server in the patch passed.
		180m 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-3604/4/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#3604
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 257c9947372c 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / 735bcf8
Default Java	AdoptOpenJDK-1.8.0_282-b08
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3604/4/testReport/
Max. process+thread count	5691 (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-3604/4/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 7s	Docker mode activated.
-0 ⚠️	yetus	0m 3s	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	5m 7s	master passed
+1 💚	compile	1m 18s	master passed
+1 💚	shadedjars	9m 7s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 45s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	4m 54s	the patch passed
+1 💚	compile	1m 18s	the patch passed
+1 💚	javac	1m 18s	the patch passed
+1 💚	shadedjars	9m 7s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 41s	the patch passed
		_ Other Tests _
+1 💚	unit	208m 48s	hbase-server in the patch passed.
		244m 11s

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-3604/4/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#3604
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux f122ee2eb68f 4.15.0-153-generic #160-Ubuntu SMP Thu Jul 29 06:54:29 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / 735bcf8
Default Java	AdoptOpenJDK-11.0.10+9
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3604/4/testReport/
Max. process+thread count	3477 (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-3604/4/console
versions	git=2.17.1 maven=3.6.3
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[comnetwork]

@Apache9 ， Would you please help me have a review again at your convenience？ Thank you very much.

[Apache9]

Need sometime to dive into the code...

Code with concurrent is always the most difficult to review...

Let me read your reply carefully first to see if I can get insight.

Sorry for the delay, really not familiar with this part of code :(

[comnetwork]

@Apache9 , thank you very much for reply, never mind.