HBASE-29075 Balancer conditionals should support system table isolation

[rmdmattingly]

In HBASE-28513 we are adding support for "balancer conditionals", and in HBASE-29074 we added support for isolating each meta replica on its own server.

This takes that work a step further, and provides the ability to isolate all system tables (excluding meta, if meta has its own isolation configured) to particular servers when the cluster is balanced. You can turn this on by setting hbase.master.balancer.stochastic.conditionals.isolateSystemTables to true.

This change can help to isolate any problematic system table workloads from user-facing tables, or vice versa

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 27s		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 _
+1 💚	mvninstall	3m 18s		master passed
+1 💚	compile	0m 20s		master passed
+1 💚	javadoc	0m 14s		master passed
+1 💚	shadedjars	5m 59s		branch has no errors when building our shaded downstream artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	3m 5s		the patch passed
+1 💚	compile	0m 15s		the patch passed
+1 💚	javac	0m 15s		the patch passed
+1 💚	javadoc	0m 11s		the patch passed
+1 💚	shadedjars	5m 50s		patch has no errors when building our shaded downstream artifacts.
			_ Other Tests _
+1 💚	unit	7m 39s		hbase-balancer in the patch passed.
		28m 13s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6746/3/artifact/yetus-jdk17-hadoop3-check/output/Dockerfile
GITHUB PR	#6746
Optional Tests	javac javadoc unit compile shadedjars
uname	Linux 78153f666e03 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 / 1c33144
Default Java	Eclipse Adoptium-17.0.11+9
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6746/3/testReport/
Max. process+thread count	268 (vs. ulimit of 30000)
modules	C: hbase-balancer U: hbase-balancer
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6746/3/console
versions	git=2.34.1 maven=3.9.8
Powered by	Apache Yetus 0.15.0 https://yetus.apache.org

This message was automatically generated.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 37s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+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.
+1 💚	hbaseanti	0m 0s		Patch does not have any anti-patterns.
			_ master Compile Tests _
+1 💚	mvninstall	3m 36s		master passed
+1 💚	compile	0m 32s		master passed
+1 💚	checkstyle	0m 11s		master passed
+1 💚	spotbugs	0m 30s		master passed
+1 💚	spotless	0m 50s		branch has no errors when running spotless:check.
			_ Patch Compile Tests _
+1 💚	mvninstall	3m 54s		the patch passed
+1 💚	compile	0m 29s		the patch passed
+1 💚	javac	0m 29s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 15s		the patch passed
+1 💚	spotbugs	0m 47s		the patch passed
+1 💚	hadoopcheck	13m 42s		Patch does not cause any errors with Hadoop 3.3.6 3.4.0.
+1 💚	spotless	1m 0s		patch has no errors when running spotless:check.
			_ Other Tests _
+1 💚	asflicense	0m 12s		The patch does not generate ASF License warnings.
		35m 6s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6746/3/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#6746
Optional Tests	dupname asflicense javac spotbugs checkstyle codespell detsecrets compile hadoopcheck hbaseanti spotless
uname	Linux 929f544f8271 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 / 1c33144
Default Java	Eclipse Adoptium-17.0.11+9
Max. process+thread count	82 (vs. ulimit of 30000)
modules	C: hbase-balancer U: hbase-balancer
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6746/3/console
versions	git=2.34.1 maven=3.9.8 spotbugs=4.7.3
Powered by	Apache Yetus 0.15.0 https://yetus.apache.org

This message was automatically generated.