YARN-11747. Skip the empty requests with specified scheduling key in RegularContainerAllocator

[zuston]

Description of PR

For multl node placement, it's better to fast skip empty request with specified scheduling key to avoid entering the multi node candidates loop to improve performance

How was this patch tested?

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[zuston]

Could you help review this? @TaoYang526 @slfan1989

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	11m 55s		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 ❌	test4tests	0m 0s		The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
			_ trunk Compile Tests _
+1 💚	mvninstall	34m 18s		trunk passed
+1 💚	compile	0m 59s		trunk passed with JDK Ubuntu-11.0.25+9-post-Ubuntu-1ubuntu120.04
+1 💚	compile	0m 52s		trunk passed with JDK Private Build-1.8.0_432-8u432-gaus1-0ubuntu220.04-ga
+1 💚	checkstyle	0m 52s		trunk passed
+1 💚	mvnsite	0m 56s		trunk passed
+1 💚	javadoc	0m 56s		trunk passed with JDK Ubuntu-11.0.25+9-post-Ubuntu-1ubuntu120.04
+1 💚	javadoc	0m 47s		trunk passed with JDK Private Build-1.8.0_432-8u432-gaus1-0ubuntu220.04-ga
+1 💚	spotbugs	1m 54s		trunk passed
+1 💚	shadedclient	33m 21s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 45s		the patch passed
+1 💚	compile	0m 51s		the patch passed with JDK Ubuntu-11.0.25+9-post-Ubuntu-1ubuntu120.04
+1 💚	javac	0m 51s		the patch passed
+1 💚	compile	0m 43s		the patch passed with JDK Private Build-1.8.0_432-8u432-gaus1-0ubuntu220.04-ga
+1 💚	javac	0m 43s		the patch passed
+1 💚	blanks	0m 1s		The patch has no blanks issues.
+1 💚	checkstyle	0m 42s		the patch passed
+1 💚	mvnsite	0m 47s		the patch passed
+1 💚	javadoc	0m 42s		the patch passed with JDK Ubuntu-11.0.25+9-post-Ubuntu-1ubuntu120.04
+1 💚	javadoc	0m 42s		the patch passed with JDK Private Build-1.8.0_432-8u432-gaus1-0ubuntu220.04-ga
+1 💚	spotbugs	1m 50s		the patch passed
+1 💚	shadedclient	33m 25s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	104m 18s		hadoop-yarn-server-resourcemanager in the patch passed.
+1 💚	asflicense	0m 47s		The patch does not generate ASF License warnings.
		232m 12s

Subsystem	Report/Notes
Docker	ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7246/1/artifact/out/Dockerfile
GITHUB PR	#7246
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux 350a024e96a4 5.15.0-126-generic #136-Ubuntu SMP Wed Nov 6 10:38:22 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 991100b
Default Java	Private Build-1.8.0_432-8u432-gaus1-0ubuntu220.04-ga
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.25+9-post-Ubuntu-1ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_432-8u432-gaus1-0ubuntu220.04-ga
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7246/1/testReport/
Max. process+thread count	993 (vs. ulimit of 5500)
modules	C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7246/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[slfan1989]

@zuston Thanks for the contribution!

[slfan1989]

@zuston Can we add some unit tests?