HDFS-16242. JournalMetrics should add JournalId MetricTag. #3494

Neilxzn · 2021-09-28T10:33:18Z

Description of PR

https://issues.apache.org/jira/browse/HDFS-16242
JournalMetrics should add JournalId MetricTag to distinguish different nameservice journal metrics when JournalNode use ganglia sink or prometheus sink.

JMX

Before this patch, journal' jmx :

// jmx json { "name" : "Hadoop:service=JournalNode,name=Journal-nntest1", "Syncs60sNumOps" : 0, ... }, { "name" : "Hadoop:service=JournalNode,name=Journal-nntest2", "Syncs60sNumOps" : 0, ... }

After this patch, journal' jmx :

// jmx json { "name" : "Hadoop:service=JournalNode,name=Journal-nntest1", "tag.JournalId" : "nntest1", // add this tag "Syncs60sNumOps" : 0, ... }, { "name" : "Hadoop:service=JournalNode,name=Journal-nntest2", "tag.JournalId" : "nntest2", "Syncs60sNumOps" : 0, ... }

PrometheusSink

Before this patch, journal' prometheus export :

journal_node_syncs60s_num_ops{context="dfs",hostname="host"} 2

After this patch, journal' prometheus export :

journal_node_syncs60s_num_ops{context="dfs",journalid="nntest2",hostname="host"} 2 journal_node_syncs60s_num_ops{context="dfs",journalid="nntest1",hostname="host"} 75

How was this patch tested?

add test testJournalMetricTags

For code changes:

add JournalMetrics$getJournalId

hadoop-yetus · 2021-09-28T18:04:40Z

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 47s		Docker mode activated.
			_ Prechecks _
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+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 appears to include 2 new or modified test files.
			_ trunk Compile Tests _
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			_ Patch Compile Tests _
+0 🆗	mvndep	0m 27s		Maven dependency ordering for patch
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+1 💚	shadedclient	22m 8s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
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+1 💚	unit	225m 5s		hadoop-hdfs in the patch passed.
+1 💚	asflicense	1m 10s		The patch does not generate ASF License warnings.
		449m 58s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/1/artifact/out/Dockerfile
GITHUB PR	#3494
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/1/testReport/
Max. process+thread count	3106 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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Neilxzn · 2021-09-29T02:28:50Z

cc @aajisaka @adamantal . Would you take some time to review this patch? Thank you.

adamantal

The implementation looks good. Two whitespace errors

...project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalMetrics.java

...roject/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java

1. remove empty space

Neilxzn · 2021-09-29T09:06:32Z

Thank you for your review. @adamantal

I commit it again to fix checkstyle error.

hadoop-yetus · 2021-09-29T15:02:58Z

💔 -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 _
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			_ Other Tests _
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-1 ❌	unit	98m 9s	/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt	hadoop-hdfs in the patch passed.
+0 🆗	asflicense	0m 47s		ASF License check generated no output?
		362m 46s

Reason	Tests
Failed junit tests	hadoop.hdfs.TestEncryptionZonesWithKMS
	hadoop.hdfs.TestDecommission
	hadoop.hdfs.web.TestWebHdfsFileSystemContract
	hadoop.hdfs.TestReconstructStripedFileWithValidator

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/3/artifact/out/Dockerfile
GITHUB PR	#3494
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/3/testReport/
Max. process+thread count	3143 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/3/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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hadoop-yetus · 2021-09-29T18:15:41Z

💔 -1 overall

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			_ Other Tests _
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-1 ❌	asflicense	1m 5s	/results-asflicense.txt	The patch generated 11 ASF License warnings.
		558m 50s

Reason	Tests
Failed junit tests	hadoop.hdfs.TestFileCreationClient
	hadoop.hdfs.TestFileConcurrentReader
	hadoop.hdfs.server.balancer.TestBalancer
	hadoop.hdfs.server.balancer.TestBalancerRPCDelay
	hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy
	hadoop.hdfs.TestHDFSFileSystemContract

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/2/artifact/out/Dockerfile
GITHUB PR	#3494
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/2/testReport/
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modules	C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/2/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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Neilxzn · 2021-09-30T02:50:17Z

The fail tests is due to java.lang.OutOfMemoryError. It is unrelated.

 java.lang.OutOfMemoryError: unable to create new native thread

...roject/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java

adamantal

+1. Thanks! Will commit this if no objections.

hadoop-yetus · 2021-09-30T16:12:23Z

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
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			_ Prechecks _
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			_ trunk Compile Tests _
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		439m 19s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/4/artifact/out/Dockerfile
GITHUB PR	#3494
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Max. process+thread count	3104 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/4/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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hadoop-yetus · 2021-09-30T18:08:36Z

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
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			_ Prechecks _
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			_ trunk Compile Tests _
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+1 💚	asflicense	0m 58s		The patch does not generate ASF License warnings.
		551m 34s

Reason	Tests
Failed junit tests	hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3494/5/artifact/out/Dockerfile
GITHUB PR	#3494
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adamantal · 2021-10-01T07:36:46Z

Merged to trunk, thanks for the contribution @Neilxzn

Contributed by Max Xie

add journalNode Id for metrics.

84f3331

adamantal reviewed Sep 29, 2021

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...project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalMetrics.java Outdated Show resolved Hide resolved

...roject/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java Show resolved Hide resolved

Neilxzn added 3 commits September 29, 2021 16:53

fix checkstyle

573de69

1. remove empty space

readd the empty line

f98cb22

remove the empty line

1d4e1b1

adamantal reviewed Sep 30, 2021

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...roject/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNode.java Outdated Show resolved Hide resolved

Neilxzn added 2 commits September 30, 2021 16:51

fix some empty line checkstyle.

06babcb

fix some empty line checkstyle.

fcfc7e7

adamantal approved these changes Sep 30, 2021

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adamantal merged commit bf9106c into apache:trunk Oct 1, 2021

HarshitGupta11 pushed a commit to HarshitGupta11/hadoop that referenced this pull request Nov 28, 2022

HDFS-16242. JournalMetrics should add JournalId MetricTag. (apache#3494)

b292a45

Contributed by Max Xie

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HDFS-16242. JournalMetrics should add JournalId MetricTag. #3494

HDFS-16242. JournalMetrics should add JournalId MetricTag. #3494

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HDFS-16242. JournalMetrics should add JournalId MetricTag. #3494

HDFS-16242. JournalMetrics should add JournalId MetricTag. #3494

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