HDFS-17785. DFSAdmin supports setting the bandwidth for DataNode.

[fuchaohong]

Currently, bandwidth can only be configured for individual DataNodes through the reconfig command. It is expected that bandwidth settings for all DataNodes could be managed centrally via dfsadmin.

hdfs dfsadmin -setDataNodeBandwidth 100000000 -type <transfer|write|read>

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
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			_ Prechecks _
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			_ trunk Compile Tests _
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			_ Patch Compile Tests _
+0 🆗	mvndep	0m 32s		Maven dependency ordering for patch
+1 💚	mvninstall	2m 28s		the patch passed
+1 💚	compile	6m 12s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
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-0 ⚠️	checkstyle	1m 22s	/results-checkstyle-hadoop-hdfs-project.txt	hadoop-hdfs-project: The patch generated 7 new + 593 unchanged - 0 fixed = 600 total (was 593)
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-1 ❌	javadoc	0m 38s	/results-javadoc-javadoc-hadoop-hdfs-project_hadoop-hdfs-client-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt	hadoop-hdfs-project_hadoop-hdfs-client-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 generated 5 new + 1161 unchanged - 0 fixed = 1166 total (was 1161)
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+1 💚	spotbugs	7m 21s		the patch passed
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			_ Other Tests _
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+1 💚	unit	16m 1s		hadoop-hdfs in the patch passed.
+1 💚	unit	49m 37s		hadoop-hdfs-rbf in the patch passed.
+1 💚	asflicense	0m 39s		The patch does not generate ASF License warnings.
		271m 56s

Subsystem	Report/Notes
Docker	ClientAPI=1.49 ServerAPI=1.49 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7705/1/artifact/out/Dockerfile
GITHUB PR	#7705
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7705/1/testReport/
Max. process+thread count	2782 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs hadoop-hdfs-project/hadoop-hdfs-rbf U: hadoop-hdfs-project
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7705/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 51s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 1s		No case conflicting files found.
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+0 🆗	markdownlint	0m 0s		markdownlint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 6 new or modified test files.
			_ trunk Compile Tests _
+0 🆗	mvndep	7m 6s		Maven dependency ordering for branch
+1 💚	mvninstall	36m 49s		trunk passed
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+1 💚	javadoc	2m 43s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
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+1 💚	spotbugs	7m 9s		trunk passed
+1 💚	shadedclient	40m 36s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 33s		Maven dependency ordering for patch
+1 💚	mvninstall	2m 28s		the patch passed
+1 💚	compile	6m 18s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	cc	6m 18s		the patch passed
+1 💚	javac	6m 18s		the patch passed
+1 💚	compile	5m 29s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	cc	5m 29s		the patch passed
+1 💚	javac	5m 29s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	1m 21s		the patch passed
+1 💚	mvnsite	2m 37s		the patch passed
-1 ❌	javadoc	1m 4s	/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.txt	hadoop-hdfs in the patch failed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04.
+1 💚	javadoc	2m 30s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	7m 16s		the patch passed
+1 💚	shadedclient	40m 30s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	2m 39s		hadoop-hdfs-client in the patch passed.
+1 💚	unit	16m 3s		hadoop-hdfs in the patch passed.
+1 💚	unit	49m 35s		hadoop-hdfs-rbf in the patch passed.
+1 💚	asflicense	0m 40s		The patch does not generate ASF License warnings.
		257m 37s

Subsystem	Report/Notes
Docker	ClientAPI=1.49 ServerAPI=1.49 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7705/2/artifact/out/Dockerfile
GITHUB PR	#7705
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets cc buflint bufcompat markdownlint
uname	Linux 29ca9c12d2de 5.15.0-139-generic #149-Ubuntu SMP Fri Apr 11 22:06:13 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / a33f405
Default Java	Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7705/2/testReport/
Max. process+thread count	2842 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs hadoop-hdfs-project/hadoop-hdfs-rbf U: hadoop-hdfs-project
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7705/2/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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