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https://issues.apache.org/jira/browse/HDFS-16146?focusedWorklogId=632302&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-632302
]
ASF GitHub Bot logged work on HDFS-16146:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Aug/21 12:24
Start Date: 02/Aug/21 12:24
Worklog Time Spent: 10m
Work Description: hadoop-yetus commented on pull request #3247:
URL: https://github.com/apache/hadoop/pull/3247#issuecomment-890983486
:broken_heart: **-1 overall**
| Vote | Subsystem | Runtime | Logfile | Comment |
|:----:|----------:|--------:|:--------:|:-------:|
| +0 :ok: | reexec | 0m 40s | | Docker mode activated. |
|||| _ Prechecks _ |
| +1 :green_heart: | dupname | 0m 0s | | No case conflicting files
found. |
| +0 :ok: | codespell | 0m 0s | | codespell was not available. |
| +1 :green_heart: | @author | 0m 0s | | The patch does not contain
any @author tags. |
| +1 :green_heart: | test4tests | 0m 0s | | The patch appears to
include 1 new or modified test files. |
|||| _ trunk Compile Tests _ |
| +0 :ok: | mvndep | 11m 24s | | Maven dependency ordering for branch |
| +1 :green_heart: | mvninstall | 20m 20s | | trunk passed |
| +1 :green_heart: | compile | 4m 54s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | compile | 4m 34s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | checkstyle | 1m 14s | | trunk passed |
| +1 :green_heart: | mvnsite | 2m 23s | | trunk passed |
| +1 :green_heart: | javadoc | 1m 38s | | trunk passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 2m 11s | | trunk passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 5m 35s | | trunk passed |
| +1 :green_heart: | shadedclient | 16m 22s | | branch has no errors
when building and testing our client artifacts. |
|||| _ Patch Compile Tests _ |
| +0 :ok: | mvndep | 0m 28s | | Maven dependency ordering for patch |
| +1 :green_heart: | mvninstall | 2m 15s | | the patch passed |
| +1 :green_heart: | compile | 4m 56s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javac | 4m 56s | | the patch passed |
| +1 :green_heart: | compile | 4m 33s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | javac | 4m 33s | | the patch passed |
| +1 :green_heart: | blanks | 0m 0s | | The patch has no blanks
issues. |
| +1 :green_heart: | checkstyle | 1m 5s | | the patch passed |
| +1 :green_heart: | mvnsite | 2m 6s | | the patch passed |
| +1 :green_heart: | javadoc | 1m 23s | | the patch passed with JDK
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 |
| +1 :green_heart: | javadoc | 1m 54s | | the patch passed with JDK
Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| +1 :green_heart: | spotbugs | 5m 51s | | the patch passed |
| +1 :green_heart: | shadedclient | 16m 2s | | patch has no errors
when building and testing our client artifacts. |
|||| _ Other Tests _ |
| +1 :green_heart: | unit | 2m 22s | | hadoop-hdfs-client in the patch
passed. |
| -1 :x: | unit | 277m 10s |
[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3247/3/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
| hadoop-hdfs in the patch passed. |
| +1 :green_heart: | asflicense | 0m 47s | | The patch does not
generate ASF License warnings. |
| | | 390m 17s | | |
| Reason | Tests |
|-------:|:------|
| Failed junit tests | hadoop.hdfs.TestDeadNodeDetection |
| | hadoop.hdfs.TestLeaseRecovery |
| | hadoop.hdfs.TestUnsetAndChangeDirectoryEcPolicy |
| | hadoop.hdfs.TestListFilesInDFS |
| | hadoop.hdfs.TestCrcCorruption |
| | hadoop.hdfs.TestViewDistributedFileSystem |
| | hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy |
| | hadoop.hdfs.TestFileCreationDelete |
| | hadoop.hdfs.client.impl.TestBlockReaderLocal |
| | hadoop.hdfs.shortcircuit.TestShortCircuitCache |
| | hadoop.hdfs.TestHFlush |
| | hadoop.hdfs.TestClientReportBadBlock |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | hadoop.hdfs.TestDecommissionWithStriped |
| Subsystem | Report/Notes |
|----------:|:-------------|
| Docker | ClientAPI=1.41 ServerAPI=1.41 base:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3247/3/artifact/out/Dockerfile
|
| GITHUB PR | https://github.com/apache/hadoop/pull/3247 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 818d1f1400d7 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28
05:20:47 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/bin/hadoop.sh |
| git revision | trunk / 6f1ad05cd9cd5738f527fd58573046adf1ca2f2a |
| Default Java | Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| Multi-JDK versions |
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
/usr/lib/jvm/java-8-openjdk-amd64:Private
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| Test Results |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3247/3/testReport/ |
| Max. process+thread count | 3006 (vs. ulimit of 5500) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-client
hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project |
| Console output |
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3247/3/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
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Issue Time Tracking
-------------------
Worklog Id: (was: 632302)
Time Spent: 1h 10m (was: 1h)
> All three replicas are lost due to not adding a new DataNode in time
> --------------------------------------------------------------------
>
> Key: HDFS-16146
> URL: https://issues.apache.org/jira/browse/HDFS-16146
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, hdfs
> Reporter: Shuyan Zhang
> Assignee: Shuyan Zhang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> We have a three-replica file, and all replicas of a block are lost when the
> default datanode replacement strategy is used. It happened like this:
> 1. addBlock() applies for a new block and successfully connects three
> datanodes (dn1, dn2 and dn3) to build a pipeline;
> 2. Write data;
> 3. dn1 has an error and was kicked out. At this time, the remaining datanodes
> in the pipeline > 1, according to the replacement strategy, there is no need
> to add a new datanode;
> 4. After writing is completed, enter PIPELINE_CLOSE;
> 5. dn2 has an error and was kicked out. But because it is already in the
> close phase, addDatanode2ExistingPipeline() decides to hand over the task of
> transfering the replica to the NameNode. At this time, there is only one
> datanode left in the pipeline;
> 6. dn3 error, all replicas are lost.
> If we add a new datanode in step 5, we can avoid losing all replicas in this
> case. I think error in PIPELINE_CLOSE and error in DATA_STREAMING have the
> same risk of losing replicas, we should not skip adding a new datanode
> during PIPELINE_CLOSE.
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