[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17364369#comment-17364369 ] Kihwal Lee commented on HDFS-15618: --- +1 The 2.10 patch looks good. Thanks, Ahmed for working on the port. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Fix For: 3.2.2, 3.3.1, 3.4.0, 3.2.3 > > Attachments: HDFS-15618-branch-2.10.001.patch, > HDFS-15618-branch-2.10.002.patch, HDFS-15618-branch-2.10.003.patch, > HDFS-15618-branch-3.3.004.patch, HDFS-15618.001.patch, HDFS-15618.002.patch, > HDFS-15618.003.patch, HDFS-15618.004.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17363910#comment-17363910
]
Ahmed Hussein commented on HDFS-15618:
--
spotbugs errors can be ignored. Later, some suppress jiras like HADOOP-17138
need to be backported from trunk to 2.10 to avoid those errors.
The junit tests are flaky on branch-2.10. They are not related to the patch. I
filed two new jiras for {{TestBlockRecovery}} and
{{TestJournalNodeRespectsBindHostKeys}}.
[~kihwal], this patch is ready to be merged to branch-2.10 whenever you get the
time to check it out.
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Fix For: 3.2.2, 3.3.1, 3.4.0, 3.2.3
>
> Attachments: HDFS-15618-branch-2.10.001.patch,
> HDFS-15618-branch-2.10.002.patch, HDFS-15618-branch-2.10.003.patch,
> HDFS-15618-branch-3.3.004.patch, HDFS-15618.001.patch, HDFS-15618.002.patch,
> HDFS-15618.003.patch, HDFS-15618.004.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
--
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17363892#comment-17363892
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Hadoop QA commented on HDFS-15618:
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17363765#comment-17363765
]
Hadoop QA commented on HDFS-15618:
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17363692#comment-17363692
]
Ahmed Hussein commented on HDFS-15618:
--
Submitted [^HDFS-15618-branch-2.10.002.patch] to fix the error in spotbugs .
It looks like {{TestJournalNodeRespectsBindHostKeys}} and {{TestBlockRecovery}}
were failing for several Months. I will track those failures and submit new
tickets if necessary.
There were some minor conflicts backporting the changes to 2.10:
* guava shading
* use of Lambda
* Use of concurrent Sets supported in JDK1.8+
[~kihwal]Can you please take a look at the [^HDFS-15618-branch-2.10.002.patch]?
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Fix For: 3.2.2, 3.3.1, 3.4.0, 3.2.3
>
> Attachments: HDFS-15618-branch-2.10.001.patch,
> HDFS-15618-branch-2.10.002.patch, HDFS-15618-branch-3.3.004.patch,
> HDFS-15618.001.patch, HDFS-15618.002.patch, HDFS-15618.003.patch,
> HDFS-15618.004.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
--
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
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https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17363293#comment-17363293
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Hadoop QA commented on HDFS-15618:
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17223513#comment-17223513 ] Xiaoqiao He commented on HDFS-15618: cherry-pick to branch-3.2.2 and verify at local, Thanks [~ahussein] and [~kihwal]. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Fix For: 3.2.2, 3.3.1, 3.4.0, 3.1.5, 3.2.3 > > Attachments: HDFS-15618-branch-3.3.004.patch, HDFS-15618.001.patch, > HDFS-15618.002.patch, HDFS-15618.003.patch, HDFS-15618.004.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17218578#comment-17218578
]
Hadoop QA commented on HDFS-15618:
--
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
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|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | | {color:green} The patch does not contain any @author tags.
{color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | | {color:green} The patch appears to include 2 new or modified
test files. {color} |
|| || || || {color:brown} branch-3.3 Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 36m
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| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m
1s{color} | | {color:green} branch-3.3 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
34s{color} | | {color:green} branch-3.3 passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
20m 47s{color} | | {color:green} branch has no errors when building and
testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
43s{color} | | {color:green} branch-3.3 passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 3m
39s{color} | | {color:blue} Used deprecated FindBugs config; considering
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
36s{color} | | {color:green} branch-3.3 passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
33s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
29s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
29s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} blanks {color} | {color:green} 0m
0s{color} | | {color:green} The patch has no blanks issues. {color} |
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33s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m
1s{color} | | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
17m 46s{color} | | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
18s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
2s{color} | | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}110m 19s{color}
|
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/252/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt]
| {color:red} hadoop-hdfs in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
44s{color} | | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}241m 41s{color} |
| {color:black}{color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.ha.TestEditLogTailer |
| | hadoop.hdfs.server.namenode.TestAddOverReplicatedStripedBlocks |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base:
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/252/artifact/out/Dockerfile
|
| JIRA Issue | HDFS-15618 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13013941/HDFS-15618-branch-3.3.004.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite
unit
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17218375#comment-17218375
]
Ahmed Hussein commented on HDFS-15618:
--
[~kihwal], HDFS-15618.004.patch can be applied to branch-3.3. I assume that
error "{{annotations does not exist}}" comes along cherry-picking because of
the shading done in trunk.
Do still you want me to provide a separate patch for branch-3.3?
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Fix For: 3.4.0
>
> Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch,
> HDFS-15618.003.patch, HDFS-15618.004.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17218362#comment-17218362 ] Ahmed Hussein commented on HDFS-15618: -- Oh! that's because HADOOP-17288. Moving forward, all patches won't be backward compatible. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Fix For: 3.4.0 > > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch, > HDFS-15618.003.patch, HDFS-15618.004.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17218127#comment-17218127
]
Kihwal Lee commented on HDFS-15618:
---
I've committed this to trunk, but the patch does not work in branch-3.3 and so
on.
{noformat}
org.apache.hadoop.thirdparty.com.google.common.annotations does not exist
{noformat}
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Fix For: 3.4.0
>
> Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch,
> HDFS-15618.003.patch, HDFS-15618.004.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
--
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17218120#comment-17218120 ] Kihwal Lee commented on HDFS-15618: --- +1 the version 4 of the patch looks good. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch, > HDFS-15618.003.patch, HDFS-15618.004.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17216873#comment-17216873 ] Ahmed Hussein commented on HDFS-15618: -- Those are liras filed for the failing test cases. HDFS-15461: TestDFSClientRetries#testGetFileChecksum fails intermittently HDFS-15643: TestFileChecksumCompositeCrc fails on trunk HDFS-15308: TestReconstructStripedFile.testNNSendsErasureCodingTasks is flaky HDFS-12449: TestReconstructStripedFile.testNNSendsErasureCodingTasks randomly cannot finish in 60s HADOOP-16780: Track unstable tests according to aarch CI due to OOM . It seems this Mira should be reopened. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch, > HDFS-15618.003.patch, HDFS-15618.004.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17216855#comment-17216855 ] Ahmed Hussein commented on HDFS-15618: -- HDFS-15461TestDFSClientRetries#testGetFileChecksum fails intermittently > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch, > HDFS-15618.003.patch, HDFS-15618.004.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17215697#comment-17215697
]
Ahmed Hussein commented on HDFS-15618:
--
I checked the failing Junit tests. They are unrelated to the patch.
I will file new Jiras for those tests that seem to be broken for sometime. On
multiple occasions, I started to notice "Dominos effect" in HDFS tests. A test
fails or times out causes other tests to fail because they could not bind to a
port or they could not get enough resources.
An example was that in the testRead() between TestBlockTokenWithDFSStriped and
TestBlockTokenWithDFS where port 19870 is used by the two test cases.
The following is the stack trace of TestDeadNodeDetection failure reported by
hadoopQA.
{code:bash}
java.net.BindException: Problem binding to [localhost:44881]
java.net.BindException: Address already in use; For more details see:
http://wiki.apache.org/hadoop/BindException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:908)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:809)
at org.apache.hadoop.ipc.Server.bind(Server.java:640)
at org.apache.hadoop.ipc.Server$Listener.(Server.java:1210)
at org.apache.hadoop.ipc.Server.(Server.java:3103)
at org.apache.hadoop.ipc.RPC$Server.(RPC.java:1039)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2$Server.(ProtobufRpcEngine2.java:430)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2.getServer(ProtobufRpcEngine2.java:350)
at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:848)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.initIpcServer(DataNode.java:1031)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1452)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.(DataNode.java:513)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2868)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2774)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2818)
at
org.apache.hadoop.hdfs.MiniDFSCluster.restartDataNode(MiniDFSCluster.java:2494)
at
org.apache.hadoop.hdfs.TestDeadNodeDetection.testDeadNodeDetectionDeadNodeRecovery(TestDeadNodeDetection.java:226)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
at
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17215691#comment-17215691
]
Hadoop QA commented on HDFS-15618:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
58s{color} | | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} || ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m
0s{color} | | {color:green} No case conflicting files found. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | | {color:green} The patch does not contain any @author tags.
{color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | | {color:green} The patch appears to include 2 new or modified
test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 19m
2s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
17s{color} | | {color:green} trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
11s{color} | | {color:green} trunk passed with JDK Private
Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
52s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
15s{color} | | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
16m 4s{color} | | {color:green} branch has no errors when building and
testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
50s{color} | | {color:green} trunk passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
22s{color} | | {color:green} trunk passed with JDK Private
Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 2m
58s{color} | | {color:blue} Used deprecated FindBugs config; considering
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
55s{color} | | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} || ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
9s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
8s{color} | | {color:green} the patch passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
8s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
4s{color} | | {color:green} the patch passed with JDK Private
Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
4s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} blanks {color} | {color:green} 0m
0s{color} | | {color:green} The patch has no blanks issues. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
43s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
10s{color} | | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m
1s{color} | | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 45s{color} | | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
45s{color} | | {color:green} the patch passed with JDK
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
20s{color} | | {color:green} the patch passed with JDK Private
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
1s{color} | | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17215646#comment-17215646
]
Ahmed Hussein commented on HDFS-15618:
--
Thanks [~kihwal]! I thinks that's a good idea to have a default value for the
MiniDFSCluster.
I added a default value in the {{MiniDFSCluster builder}}.
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch,
> HDFS-15618.003.patch, HDFS-15618.004.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17215454#comment-17215454
]
Kihwal Lee commented on HDFS-15618:
---
It can be as fancy as adding a builder method for setting it (for exceptional
cases) with a default value of 30 seconds. Or simply set it to 30 in places
like {{startDataNodes()}}.
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch,
> HDFS-15618.003.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
--
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17215452#comment-17215452 ] Kihwal Lee commented on HDFS-15618: --- In production, there is no harm in exiting after waiting for 5 seconds. But in junit, as you pointed out, it might cause more failures when the environment is slow. We can set the timeout to something like 30 seconds in the mini dfs cluster's base config. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch, > HDFS-15618.003.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17215153#comment-17215153
]
Hadoop QA commented on HDFS-15618:
--
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17214754#comment-17214754 ] Ahmed Hussein commented on HDFS-15618: -- I will try to set it is a smaller value. Last thing I tried was 500ms and that caused some Junits to fail. since the production configurations can be set a small value (5 seconds), I will try to investigate all the affected JUnits to see if something can be done to fix that. > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[ https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17214271#comment-17214271 ] Kihwal Lee commented on HDFS-15618: --- The patch looks okay. Although it is better than the previous value of 5 minutes, the default timeout of 60 seconds seems still excessive. How about making it 5 seconds? > Improve datanode shutdown latency > - > > Key: HDFS-15618 > URL: https://issues.apache.org/jira/browse/HDFS-15618 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode >Reporter: Ahmed Hussein >Assignee: Ahmed Hussein >Priority: Major > Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch > > > The shutdown of Datanode is a very long latency. A block scanner waits for 5 > minutes to join on each VolumeScanner thread. > Since the scanners are daemon threads and do not alter the block content, it > is safe to ignore such conditions on shutdown of Datanode. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17212636#comment-17212636
]
Hadoop QA commented on HDFS-15618:
--
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
[
https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17212526#comment-17212526
]
Ahmed Hussein commented on HDFS-15618:
--
{\{hadoop.tools.TestHdfsConfigFields}} was the only related JUnit test. I added
a fix to it.
All other tests passed. I saw same JUnits failing in other Jiras as well.
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Attachments: HDFS-15618.001.patch, HDFS-15618.002.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
--
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[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
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https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17211241#comment-17211241
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Hadoop QA commented on HDFS-15618:
--
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[/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt|https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/222/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt]
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14s{color} | | {color:green} the patch passed
[jira] [Commented] (HDFS-15618) Improve datanode shutdown latency
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https://issues.apache.org/jira/browse/HDFS-15618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17211046#comment-17211046
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Ahmed Hussein commented on HDFS-15618:
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I added a configuration key {{dfs.block.scanner.volume.join.timeout.ms}} that
controls the duration the thread times out waiting to join on a
{{VolumeScanner}} thread. This value is only used within
{{BlockScanner.removeAllVolumeScanners()}}.
This parameter can be used to switch between "fast mode" vs "slow mode".
A small value guarantees that the {{Datanode}} will proceed to shutdown without
waiting for the {{VolumeScanner}} to finish.
> Improve datanode shutdown latency
> -
>
> Key: HDFS-15618
> URL: https://issues.apache.org/jira/browse/HDFS-15618
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
>Reporter: Ahmed Hussein
>Assignee: Ahmed Hussein
>Priority: Major
> Attachments: HDFS-15618.001.patch
>
>
> The shutdown of Datanode is a very long latency. A block scanner waits for 5
> minutes to join on each VolumeScanner thread.
> Since the scanners are daemon threads and do not alter the block content, it
> is safe to ignore such conditions on shutdown of Datanode.
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