HBASE-28816: The description of "hbase.superuser" is confusing

[eubnara]

https://issues.apache.org/jira/browse/HBASE-28816

[eubnara]

• https://github.com/apache/hbase/blob/rel/2.5.10/hbase-common/src/main/java/org/apache/hadoop/hbase/security/Superusers.java#L71
• https://github.com/apache/hbase/blob/rel/2.5.10/hbase-common/src/main/java/org/apache/hadoop/hbase/security/Superusers.java#L102
• https://github.com/apache/hbase/blob/rel/2.5.10/hbase-common/src/main/java/org/apache/hadoop/hbase/AuthUtil.java#L83

@ is being used as GROUP_PREFIX.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 27s		Docker mode activated.
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+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ master Compile Tests _
+0 🆗	mvndep	0m 9s		Maven dependency ordering for branch
+1 💚	mvninstall	3m 1s		master passed
+0 🆗	refguide	2m 14s		branch has no errors when building the reference guide. See footer for rendered docs, which you should manually inspect.
+1 💚	spotless	0m 43s		branch has no errors when running spotless:check.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 10s		Maven dependency ordering for patch
+1 💚	mvninstall	2m 53s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	xmllint	0m 0s		No new issues.
+0 🆗	refguide	1m 55s		patch has no errors when building the reference guide. See footer for rendered docs, which you should manually inspect.
+1 💚	spotless	0m 44s		patch has no errors when running spotless:check.
			_ Other Tests _
+1 💚	asflicense	0m 19s		The patch does not generate ASF License warnings.
		14m 3s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6206/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#6206
JIRA Issue	HBASE-28816
Optional Tests	dupname asflicense javac codespell detsecrets xmllint refguide spotless
uname	Linux c139b5cbbb40 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / 704e435
Default Java	Eclipse Adoptium-17.0.11+9
refguide	https://nightlies.apache.org/hbase/HBase-PreCommit-GitHub-PR/PR-6206/1/yetus-general-check/output/branch-site/book.html
refguide	https://nightlies.apache.org/hbase/HBase-PreCommit-GitHub-PR/PR-6206/1/yetus-general-check/output/patch-site/book.html
Max. process+thread count	81 (vs. ulimit of 30000)
modules	C: hbase-common . U: .
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versions	git=2.34.1 maven=3.9.8 xmllint=20913
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[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 44s		Docker mode activated.
-0 ⚠️	yetus	0m 3s		Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --author-ignore-list --blanks-eol-ignore-file --blanks-tabs-ignore-file --quick-hadoopcheck
			_ Prechecks _
			_ master Compile Tests _
+0 🆗	mvndep	0m 10s		Maven dependency ordering for branch
+1 💚	mvninstall	4m 16s		master passed
+1 💚	javadoc	2m 49s		master passed
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 11s		Maven dependency ordering for patch
+1 💚	mvninstall	3m 49s		the patch passed
+1 💚	javadoc	3m 6s		the patch passed
			_ Other Tests _
-1 ❌	unit	336m 8s	/patch-unit-root.txt	root in the patch failed.
		357m 56s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6206/1/artifact/yetus-jdk17-hadoop3-check/output/Dockerfile
GITHUB PR	#6206
JIRA Issue	HBASE-28816
Optional Tests	javac javadoc unit
uname	Linux 0b54bc068590 5.4.0-186-generic #206-Ubuntu SMP Fri Apr 26 12:31:10 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / 704e435
Default Java	Eclipse Adoptium-17.0.11+9
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6206/1/testReport/
Max. process+thread count	7961 (vs. ulimit of 30000)
modules	C: hbase-common . U: .
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6206/1/console
versions	git=2.34.1 maven=3.9.8
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