HDFS-16335. Fix HDFSCommands.md

[tomscut]

JIRA: HDFS-16335.

Fix HDFSCommands.md.

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	1m 2s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+0 🆗	markdownlint	0m 1s		markdownlint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+1 💚	mvninstall	39m 4s		trunk passed
+1 💚	mvnsite	1m 43s		trunk passed
+1 💚	shadedclient	60m 52s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 33s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	mvnsite	1m 36s		the patch passed
+1 💚	shadedclient	25m 40s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 36s		The patch does not generate ASF License warnings.
		91m 34s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3681/1/artifact/out/Dockerfile
GITHUB PR	#3681
Optional Tests	dupname asflicense mvnsite codespell markdownlint
uname	Linux ed8efbe739b0 4.15.0-147-generic #151-Ubuntu SMP Fri Jun 18 19:21:19 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
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Max. process+thread count	560 (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-3681/1/console
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[tomscut]

@aajisaka @tasanuma Please take a look at this. Thanks a lot.

[tasanuma]

+1.

[GuoPhilipse]

idleiterations is one of the balancer command paramter ,which is defined as 5 by default in DEFAULT_MAX_IDLE_ITERATIONS, if we change from idleiterations(5) to be idle iterations(5) ,will we miss something?

[tomscut]

idleiterations is one of the balancer command paramter ,which is defined as 5 by default in DEFAULT_MAX_IDLE_ITERATIONS, if we change from idleiterations(5) to be idle iterations(5) ,will we miss something?

Thanks @GuoPhilipse for your review. This change may cause some misunderstanding.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 58s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	markdownlint	0m 0s		markdownlint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+1 💚	mvninstall	34m 53s		trunk passed
+1 💚	mvnsite	1m 27s		trunk passed
+1 💚	shadedclient	59m 3s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 19s		the patch passed
-1 ❌	blanks	0m 0s	/blanks-eol.txt	The patch has 1 line(s) that end in blanks. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply
+1 💚	mvnsite	1m 17s		the patch passed
+1 💚	shadedclient	22m 59s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 31s		The patch does not generate ASF License warnings.
		86m 14s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3681/2/artifact/out/Dockerfile
GITHUB PR	#3681
Optional Tests	dupname asflicense mvnsite codespell markdownlint
uname	Linux 57b713d7223f 4.15.0-147-generic #151-Ubuntu SMP Fri Jun 18 19:21:19 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / f44946d
Max. process+thread count	622 (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-3681/2/console
versions	git=2.25.1 maven=3.6.3
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[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 48s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	markdownlint	0m 0s		markdownlint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+1 💚	mvninstall	32m 16s		trunk passed
+1 💚	mvnsite	1m 27s		trunk passed
+1 💚	shadedclient	49m 49s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 14s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	mvnsite	1m 16s		the patch passed
+1 💚	shadedclient	20m 15s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 34s		The patch does not generate ASF License warnings.
		74m 16s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3681/3/artifact/out/Dockerfile
GITHUB PR	#3681
Optional Tests	dupname asflicense mvnsite codespell markdownlint
uname	Linux 8baf335c38b8 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 9672232
Max. process+thread count	544 (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-3681/3/console
versions	git=2.25.1 maven=3.6.3
Powered by	Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org

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[tasanuma]

I merged it. Thanks for your contribution, @tomscut. Thanks for your careful review, @GuoPhilipse.

[tomscut]

Thanks @tasanuma for the merge.