[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329062#comment-16329062
]
Manoj Govindassamy commented on HDFS-11847:
---
[~jlowe],
My bad. My intention was only to use branch-3.0 and not create a new branch.
Will check my scripts. Thanks for spotting this. Please let me know the
corrective actions and I will follow them.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
>Priority: Major
> Fix For: 3.1.0, 3.0.1
>
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328942#comment-16328942
]
Jason Lowe commented on HDFS-11847:
---
I recently noticed the new {{branch-3}} branch and tracked it back to here.
branch-3.0 is for tracking 3.0.x releases, currently 3.0.1-SNAPSHOT. Was the
creation of {{branch-3}} intentional, and if so, how is it different than
branch-3.0?
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
>Priority: Major
> Fix For: 3.1.0, 3.0.1
>
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16324606#comment-16324606
]
Manoj Govindassamy commented on HDFS-11847:
---
Given that HDFS-10480 is available in 3.0, back ported both HDFS-11847 and
HDFS-11848 to branch-3.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Fix For: 3.1.0, 3.0.1
>
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16308884#comment-16308884
]
Manoj Govindassamy commented on HDFS-11847:
---
Thanks for the review [~xiaochen]. Took care of the checkstyle and javadoc
issues. Committed to trunk.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16308878#comment-16308878
]
Hudson commented on HDFS-11847:
---
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13433 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13433/])
HDFS-11847. Enhance dfsadmin listOpenFiles command to list files (manojpec: rev
42a1c98597e6dba2e371510a6b2b6b1fb94e4090)
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/AdminStatesBaseTest.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsAdmin.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/OpenFilesIterator.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/ClientNamenodeProtocol.proto
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManagerTestUtil.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcServer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHdfsAdmin.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestListOpenFiles.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/ClientProtocol.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSCommands.md
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDecommission.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestLeaseManager.java
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16308809#comment-16308809
]
Xiao Chen commented on HDFS-11847:
--
Thanks [~manojg]! Happy to see that we prepared things pretty well for
HDFS-12969.
+1 to patch 05 pending 2 tiny things (and the checkstyle) that I'm okay if you
fix at commit time:
- {{DatanodeDescriptor#getOpenFiles}} javadoc should say "@return the
collection of under-replicated blocks in open files", not "the number of"
- {{DFSClient#listOpenFiles}} javadoc @param goes before @throws.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
--
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16306635#comment-16306635
]
genericqa commented on HDFS-11847:
--
| (x) *{color:red}-1 overall{color}* |
\\
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 22m
7s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
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0s{color} | {color:green} The patch does not contain any @author tags. {color} |
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0s{color} | {color:green} The patch appears to include 6 new or modified test
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|| || || || {color:brown} trunk Compile Tests {color} ||
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|| || || || {color:brown} Patch Compile Tests {color} ||
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| {color:black}{color} | {color:black} {color} | {color:black}194m 56s{color} |
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\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HDFS-11847 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12904047/HDFS-11847.05.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
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| uname | Linux ed5c2efac78c 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18
11:55:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personal
[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301802#comment-16301802
]
Xiao Chen commented on HDFS-11847:
--
Thanks Manoj for revving and the comments!
Looks good overall. Some additional comments:
- I'm okay for splitting to another jira about the DN and type changes. Please
create the jira and add a comment in {{FSN#listOpenFiles}} to point to that.
Looks like for the new stuff we don't need to change APIs, which is great.
- Sorry I wasn't clear in the earlier comment #1. Our [compat
policy|http://hadoop.apache.org/docs/r3.0.0/hadoop-project-dist/hadoop-common/Compatibility.html]
has different aspects. HDFS-10480 is in 2.9.0 and 2.8.3, so I think we need to
keep the old APIs for API and wire compat, and add the new one. (e.g.
HDFSAdmin.java is public evolving, DFS.java is LimitedPrivate). [~andrew.wang]
am I correct?
- We should respect {{maxListOpenFilesResponses}} in
{{FSN#getFilesBlockingDecom}}, to make the batchedlist indeed batched. :)
- Adding an extra tab to the middle of CLI output format is usually frowned
upon by admins - imagine there's a script that parses the output with a \t
delimiter.
- {{HDFSCommands.md}} has an unnecessary change in the first line
{{+
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch,
> HDFS-11847.03.patch, HDFS-11847.04.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
--
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16300643#comment-16300643
]
genericqa commented on HDFS-11847:
--
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
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| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 6 new or modified test
files. {color} |
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1m 51s{color} | {color:orange} hadoop-hdfs-project: The patch generated 1 new +
810 unchanged - 1 fixed = 811 total (was 811) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m
30s{color} | {color:green} the patch passed {color} |
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17m 37s{color} | {color:green} patch has no errors when building and testing
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26s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}120m 32s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
21s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}190m 12s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
| | hadoop.hdfs.qjournal.server.TestJournalNodeSync |
| | hadoop.hdfs.web.TestWebHdfsTimeouts |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | hadoop.hdfs.server.datanode.TestDataNodeUUID |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HDFS-11847 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12903299/HDFS-11847.04.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall m
[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16299505#comment-16299505
]
genericqa commented on HDFS-11847:
--
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
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39s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 6 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
22s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 15m
18s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
27s{color} | {color:green} trunk passed {color} |
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45s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
30s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
10m 55s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m
50s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 1 extant
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8s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
7s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 1m
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| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
26s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 43s{color} | {color:orange} hadoop-hdfs-project: The patch generated 1 new +
810 unchanged - 1 fixed = 811 total (was 811) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
9m 17s{color} | {color:green} patch has no errors when building and testing our
client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
29s{color} | {color:green} the patch passed {color} |
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26s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}123m 59s{color}
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{color} |
| {color:black}{color} | {color:black} {color} | {color:black}179m 35s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
| | hadoop.hdfs.web.TestWebHdfsTimeouts |
| | hadoop.hdfs.protocol.TestAnnotations |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | hadoop.hdfs.TestDFSStripedInputStreamWithRandomECPolicy |
| | hadoop.hdfs.server.namenode.TestReconstructStripedBlocks |
| | hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
| | hadoop.hdfs.TestRollingUpgrade |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.0
[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296254#comment-16296254
]
Xiao Chen commented on HDFS-11847:
--
Thanks for working on this Manoj! This will be a nice tool for troubleshooting
decommissioning.
Some comments:
- Since HDFS-10480 is released, we cannot change the APIs unfortunately. It
seems to me we'd have to provide an overload of {{listOpenFiles}}. I like the
use of enums though, maybe we should deprecate the existing API to encourage
the new API to always be used.
- From API, do we support {{BLOCKING_DECOMMISSION}} and {{ALL_OPEN_FILES}} both
specified? Implementation in {{FSN#listOpenFiles}} doesn't look like so, but
I'm also wondering how we plan to support them on the same
{{OpenFilesIterator}}. Do we want to have types on {{OpenFileEntry}}?
- Usage perspective, it may also be useful if we print out DataNodes.
- {{DatanodeAdminManager#processBlocksInternal}}, maybe we can skip if a block
and inode is inconsistent instead of throw from preconditions? Could log in NN
to help debugging, but from hdfsadmin we can still see other openfiles.
- {{DatanodeAdminManager#processBlocksInternal}}, can we simply use
{{lowRedundancyOpenFiles.size()}} and get rid of
{{lowRedundancyBlocksInOpenFiles}}?
- {{LeavingServiceStatus}} similar to above, do we need both the counter and
the set of openfiles?
(Holding all inode id would consume more memory, but since this only happens
when decommissioning + open files, which hopefully would be a tiny portion of
all files, I think we're okay)
Nits:
- {{LeavingServiceStatus}} trivial and pre-existing: comment at the end of this
class should say {{End of class LeavingServiceStatus}}, not
{{DecommissioningStatus}}
- {{FSN#getFilesBlockingDecom}} suggest to add {{assert hasReadLock();}} to
safeguard future changes
- {{TestDecommission#verifyOpenFilesBlockingDecommission}}: Should save the
previous {{System.out}} as a local var, and set back when we're done.
{{System.setOut(System.out);}} won't restore to the old out. Also the restore
logic should be in a finally block.
- {{TestDecommission}}, can we set the
{{DFS_NAMENODE_REDUNDANCY_INTERVAL_SECONDS_KEY}} as {{Integer.MAX_VALUE}}?
1-second may not be robust enough.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296068#comment-16296068
]
genericqa commented on HDFS-11847:
--
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 10m
36s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 6 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
27s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 19m
46s{color} | {color:red} root in trunk failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
57s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 33s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m
19s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 1 extant
Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
31s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
11s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m
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| {color:green}+1{color} | {color:green} cc {color} | {color:green} 2m
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m
6s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 57s{color} | {color:orange} hadoop-hdfs-project: The patch generated 3 new +
810 unchanged - 1 fixed = 813 total (was 811) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
10m 38s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
37s{color} | {color:green} the patch passed {color} |
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11s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
21s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 52m 24s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
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{color} |
| {color:black}{color} | {color:black} {color} | {color:black}130m 26s{color} |
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\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
| | hadoop.hdfs.server.namenode.TestReencryptionWithKMS |
| | hadoop.hdfs.qjournal.server.TestJournalNodeSync |
| | hadoop.hdfs.server.namenode.TestAuditLogs |
| | hadoop.hdfs.server.namenode.TestReencryption |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HDFS-11847 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12902737/HDFS-11847.02.patch |
| Optional Tests | asflicense compile javac javadoc mv
[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16291589#comment-16291589
]
Xiao Chen commented on HDFS-11847:
--
HDFS-4449 may also benefit by the new command here.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode
> decommissioning
> --
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
>Affects Versions: 3.0.0-alpha1
>Reporter: Manoj Govindassamy
>Assignee: Manoj Govindassamy
> Attachments: HDFS-11847.01.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list
> all the open files in the system.
> Additionally, it would be very useful to only list open files that are
> blocking the DataNode decommissioning. With thousand+ node clusters, where
> there might be machines added and removed regularly for maintenance, any
> option to monitor and debug decommissioning status is very helpful. Proposal
> here is to add suboptions to {{listOpenFiles}} for the above case.
--
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[jira] [Commented] (HDFS-11847) Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
[
https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16290320#comment-16290320
]
genericqa commented on HDFS-11847:
--
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
34s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 3 new or modified test
files. {color} |
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| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
47s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
35s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
12m 40s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m
1s{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs in trunk has 1 extant
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15s{color} | {color:green} trunk passed {color} |
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
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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} cc {color} | {color:green} 1m
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0m 47s{color} | {color:orange} hadoop-hdfs-project: The patch generated 5 new +
650 unchanged - 1 fixed = 655 total (was 651) {color} |
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our client artifacts. {color} |
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| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
29s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}186m 20s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.TestNameNodeMXBean |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
| |
hadoop.hdfs.server.blockmanagement.TestReconstructStripedBlocksWithRackAwareness
|
| | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:5b98639 |
| JIRA Issue | HDFS-11847 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12901972/HDFS-11847.01.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mv
