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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12567) BlockPlacementPolicyRackFaultTolerant fails with racks with very few nodes
Date Thu, 05 Oct 2017 03:03:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16192408#comment-16192408
] 

Hadoop QA commented on HDFS-12567:
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| (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 19s{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 1 new or modified test files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m 48s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  1s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 42s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  6s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 10m 42s{color}
| {color:green} branch has no errors when building and testing our client artifacts. {color}
|
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 44s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 42s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 52s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 46s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 46s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 33s{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 6 new + 9 unchanged
- 0 fixed = 15 total (was 9) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 52s{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 10s{color}
| {color:green} patch has no errors when building and testing our client artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 54s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 42s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}114m 47s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 23s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}161m 36s{color} | {color:black}
{color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestEncryptionZones |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HDFS-12567 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12890458/HDFS-12567.002.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  shadedclient
 findbugs  checkstyle  |
| uname | Linux 0ec94a228efd 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26 18:04:35 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / cae1c73 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/21527/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/21527/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/21527/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/21527/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> BlockPlacementPolicyRackFaultTolerant fails with racks with very few nodes
> --------------------------------------------------------------------------
>
>                 Key: HDFS-12567
>                 URL: https://issues.apache.org/jira/browse/HDFS-12567
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: erasure-coding
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-12567.001.patch, HDFS-12567.002.patch, HDFS-12567.repro.patch
>
>
> Found this while doing some testing on an internal cluster with an unusual setup. We
have a rack with ~20 nodes, then a few more with just a few nodes. It would fail to get (#
data blocks) datanodes even though there were plenty of DNs on the rack with 20 DNs.
> I managed to reproduce this same issue in a unit test, stack trace like this:
> {noformat}
> java.io.IOException: File /testfile0 could only be written to 5 of the 6 required nodes
for RS-6-3-1024k. There are 9 datanode(s) running and no node(s) are excluded in this operation.
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:2083)
> 	at org.apache.hadoop.hdfs.server.namenode.FSDirWriteFileOp.chooseTargetForNewBlock(FSDirWriteFileOp.java:286)
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2609)
> 	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:863)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:548)
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
> 	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
> 	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
> {noformat}
> This isn't a very critical bug since it's an unusual rack configuration, but it can easily
happen during testing.



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