HDFS-15895 : Remove redundant String#format in DFSAdmin#printOpenFiles

[virajjasani]

Jira: https://issues.apache.org/jira/browse/HDFS-15895

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 53s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell 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 45s		trunk passed
+1 💚	compile	1m 21s		trunk passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04
+1 💚	compile	1m 11s		trunk passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08
+1 💚	checkstyle	1m 0s		trunk passed
+1 💚	mvnsite	1m 21s		trunk passed
+1 💚	javadoc	0m 54s		trunk passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04
+1 💚	javadoc	1m 26s		trunk passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08
+1 💚	spotbugs	3m 14s		trunk passed
+1 💚	shadedclient	18m 43s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 13s		the patch passed
+1 💚	compile	1m 14s		the patch passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04
+1 💚	javac	1m 14s		the patch passed
+1 💚	compile	1m 6s		the patch passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08
+1 💚	javac	1m 6s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 54s		the patch passed
+1 💚	mvnsite	1m 14s		the patch passed
+1 💚	javadoc	0m 46s		the patch passed with JDK Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04
+1 💚	javadoc	1m 21s		the patch passed with JDK Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08
+1 💚	spotbugs	3m 18s		the patch passed
+1 💚	shadedclient	4m 25s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
-1 ❌	unit	334m 25s	/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt	hadoop-hdfs in the patch passed.
+1 💚	asflicense	0m 32s		The patch does not generate ASF License warnings.
		412m 35s

Reason	Tests
Failed junit tests	hadoop.hdfs.server.namenode.ha.TestBootstrapStandby
	hadoop.hdfs.server.namenode.snapshot.TestNestedSnapshots
	hadoop.hdfs.server.namenode.ha.TestEditLogTailer
	hadoop.hdfs.TestPersistBlocks
	hadoop.hdfs.TestDFSShell
	hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped
	hadoop.hdfs.server.datanode.TestDirectoryScanner
	hadoop.hdfs.server.namenode.TestDecommissioningStatusWithBackoffMonitor
	hadoop.hdfs.server.namenode.TestDecommissioningStatus
	hadoop.hdfs.server.datanode.TestBlockScanner
	hadoop.hdfs.server.balancer.TestBalancer

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2772/1/artifact/out/Dockerfile
GITHUB PR	#2772
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
uname	Linux 62278bcb8521 4.15.0-126-generic #129-Ubuntu SMP Mon Nov 23 18:53:38 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 61f66dc
Default Java	Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.10+9-Ubuntu-0ubuntu1.20.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2772/1/testReport/
Max. process+thread count	2148 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2772/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.

[tasanuma]

The failed tests are not related.

[tasanuma]

Merged to trunk, and cherry-picked to branch-3.3, branch-3.2, branch-3.1, branch-2.10.
Thanks for your contribution, @virajjasani.