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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12357) Let NameNode to bypass external attribute provider for special user
Date Wed, 06 Sep 2017 18:03:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16155802#comment-16155802
] 

Hadoop QA commented on HDFS-12357:
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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 15s{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} 15m 50s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 58s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 46s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  3s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 56s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 44s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 59s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 57s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 57s{color} | {color:green}
the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 44s{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 4 new + 466 unchanged
- 0 fixed = 470 total (was 466) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m  1s{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} xml {color} | {color:green}  0m  1s{color} | {color:green}
The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m  5s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 43s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 98m 29s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 17s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}128m 19s{color} | {color:black}
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure060 |
|   | hadoop.tools.TestHdfsConfigFields |
|   | hadoop.hdfs.TestFileAppendRestart |
|   | hadoop.hdfs.tools.TestDFSAdminWithHA |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure180 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure050 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure110 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure190 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure210 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure070 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure020 |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure090 |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure120 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure150 |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure030 |
| Timed out junit tests | org.apache.hadoop.hdfs.TestWriteReadStripedFile |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:71bbb86 |
| JIRA Issue | HDFS-12357 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12885507/HDFS-12357.006.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  xml  |
| uname | Linux 704820cea650 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 / 1f3bc63 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/21022/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/21022/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/21022/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/21022/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Let NameNode to bypass external attribute provider for special user
> -------------------------------------------------------------------
>
>                 Key: HDFS-12357
>                 URL: https://issues.apache.org/jira/browse/HDFS-12357
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HDFS-12357.001a.patch, HDFS-12357.001b.patch, HDFS-12357.001.patch,
HDFS-12357.002.patch, HDFS-12357.003.patch, HDFS-12357.004.patch, HDFS-12357.005.patch, HDFS-12357.006.patch
>
>
> This is a third proposal to solve the problem described in HDFS-12202.
> The problem is, when we do distcp from one cluster to another (or within the same cluster),
in addition to copying file data, we copy the metadata from source to target. If external
attribute provider is enabled, the metadata may be read from the provider, thus provider data
read from source may be saved to target HDFS. 
> We want to avoid saving metadata from external provider to HDFS, so we want to bypass
external provider when doing the distcp (or hadoop fs -cp) operation.
> Two alternative approaches were proposed earlier, one in HDFS-12202, the other in HDFS-12294.
The proposal here is the third one.
> The idea is, we introduce a new config, that specifies a special user (or a list of users),
and let NN bypass external provider when the current user is a special user.
> If we run applications as the special user that need data from external attribute provider,
then it won't work. So the constraint on this approach is, the special users here should not
run applications that need data from external provider.
> Thanks [~asuresh] for proposing this idea and [~chris.douglas], [~daryn], [~manojg] for
the discussions in the other jiras. 
> I'm creating this one to discuss further.



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