[jira] [Commented] (HDFS-14187) Make warning message more clear when there are not enough data nodes for EC write
[
https://issues.apache.org/jira/browse/HDFS-14187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16757826#comment-16757826
]
Hudson commented on HDFS-14187:
---
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15863 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15863/])
HDFS-14187. Make warning message more clear when there are not enough (weichiu:
rev 0ab7fc92009fec2f0ab341f3d878e1b8864b8ea9)
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSStripedOutputStream.java
> Make warning message more clear when there are not enough data nodes for EC
> write
> -
>
> Key: HDFS-14187
> URL: https://issues.apache.org/jira/browse/HDFS-14187
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
>Affects Versions: 3.1.1
>Reporter: Kitti Nanasi
>Assignee: Kitti Nanasi
>Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14187.001.patch
>
>
> When setting an erasure coding policy for which there are not enough racks or
> data nodes, write will fail with the following message:
> {code:java}
> [root@oks-upgrade6727-1 ~]# sudo -u systest hdfs dfs -mkdir
> /user/systest/testdir
> [root@oks-upgrade6727-1 ~]# sudo -u hdfs hdfs ec -setPolicy -path
> /user/systest/testdir
> Set default erasure coding policy on /user/systest/testdir
> [root@oks-upgrade6727-1 ~]# sudo -u systest hdfs dfs -put /tmp/file1
> /user/systest/testdir
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Cannot allocate parity
> block(index=3, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[]
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Cannot allocate parity
> block(index=4, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[]
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Block group <1> failed to write
> 2 blocks. It's at high risk of losing data.
> {code}
> I suggest to log a more descriptive message suggesting to use hdfs ec
> -verifyCluster command to verify the cluster setup against the ec policies.
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[jira] [Commented] (HDFS-14187) Make warning message more clear when there are not enough data nodes for EC write
[
https://issues.apache.org/jira/browse/HDFS-14187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16757827#comment-16757827
]
Kitti Nanasi commented on HDFS-14187:
-
Thanks for reviewing and committing it [~jojochuang]!
> Make warning message more clear when there are not enough data nodes for EC
> write
> -
>
> Key: HDFS-14187
> URL: https://issues.apache.org/jira/browse/HDFS-14187
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
>Affects Versions: 3.1.1
>Reporter: Kitti Nanasi
>Assignee: Kitti Nanasi
>Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14187.001.patch
>
>
> When setting an erasure coding policy for which there are not enough racks or
> data nodes, write will fail with the following message:
> {code:java}
> [root@oks-upgrade6727-1 ~]# sudo -u systest hdfs dfs -mkdir
> /user/systest/testdir
> [root@oks-upgrade6727-1 ~]# sudo -u hdfs hdfs ec -setPolicy -path
> /user/systest/testdir
> Set default erasure coding policy on /user/systest/testdir
> [root@oks-upgrade6727-1 ~]# sudo -u systest hdfs dfs -put /tmp/file1
> /user/systest/testdir
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Cannot allocate parity
> block(index=3, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[]
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Cannot allocate parity
> block(index=4, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[]
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Block group <1> failed to write
> 2 blocks. It's at high risk of losing data.
> {code}
> I suggest to log a more descriptive message suggesting to use hdfs ec
> -verifyCluster command to verify the cluster setup against the ec policies.
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[jira] [Commented] (HDFS-14187) Make warning message more clear when there are not enough data nodes for EC write
[
https://issues.apache.org/jira/browse/HDFS-14187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16757780#comment-16757780
]
Wei-Chiu Chuang commented on HDFS-14187:
+1
> Make warning message more clear when there are not enough data nodes for EC
> write
> -
>
> Key: HDFS-14187
> URL: https://issues.apache.org/jira/browse/HDFS-14187
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: erasure-coding
>Affects Versions: 3.1.1
>Reporter: Kitti Nanasi
>Assignee: Kitti Nanasi
>Priority: Major
> Attachments: HDFS-14187.001.patch
>
>
> When setting an erasure coding policy for which there are not enough racks or
> data nodes, write will fail with the following message:
> {code:java}
> [root@oks-upgrade6727-1 ~]# sudo -u systest hdfs dfs -mkdir
> /user/systest/testdir
> [root@oks-upgrade6727-1 ~]# sudo -u hdfs hdfs ec -setPolicy -path
> /user/systest/testdir
> Set default erasure coding policy on /user/systest/testdir
> [root@oks-upgrade6727-1 ~]# sudo -u systest hdfs dfs -put /tmp/file1
> /user/systest/testdir
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Cannot allocate parity
> block(index=3, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[]
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Cannot allocate parity
> block(index=4, policy=RS-3-2-1024k). Not enough datanodes? Exclude nodes=[]
> 18/11/12 05:41:26 WARN hdfs.DFSOutputStream: Block group <1> failed to write
> 2 blocks. It's at high risk of losing data.
> {code}
> I suggest to log a more descriptive message suggesting to use hdfs ec
> -verifyCluster command to verify the cluster setup against the ec policies.
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[jira] [Commented] (HDFS-14187) Make warning message more clear when there are not enough data nodes for EC write
[
https://issues.apache.org/jira/browse/HDFS-14187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16751317#comment-16751317
]
Hadoop QA commented on HDFS-14187:
--
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
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|| || || || {color:brown} trunk Compile Tests {color} ||
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
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|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
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14m 49s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
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|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HDFS-14187 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12956162/HDFS-14187.001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux bc9d7604da40 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct
5 08:56:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / f3d8265 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/26042/testReport/ |
| Max. process+thread count | 332 (vs. ulimit of 1) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client U:
hadoop-hdfs-project/hadoop-hdfs-client |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/26042/console |
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> Make warning message more
