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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11154) Block Storage : store server state to persistent storage
Date Wed, 23 Nov 2016 01:13:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15688505#comment-15688505
] 

Hadoop QA commented on HDFS-11154:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  3m 51s{color} | {color:blue}
Docker mode activated. {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 2 new or modified test files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m  2s{color}
| {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  0s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 29s{color}
| {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 55s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 13s{color}
| {color:green} HDFS-7240 passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 55s{color} | {color:red}
hadoop-hdfs-project/hadoop-hdfs in HDFS-7240 has 10 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 49s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 58s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 47s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 47s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 23s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 51s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 10s{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} findbugs {color} | {color:green}  1m 56s{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:red}-1{color} | {color:red} unit {color} | {color:red} 59m 13s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 21s{color} | {color:red}
The patch generated 3 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 83m 51s{color} | {color:black}
{color} |
\\
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|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.tools.TestDelegationTokenFetcher |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:e809691 |
| JIRA Issue | HDFS-11154 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12840158/HDFS-11154-HDFS-7240.007.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux d63a8d9d42ae 3.13.0-95-generic #142-Ubuntu SMP Fri Aug 12 17:00:09 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh |
| git revision | HDFS-7240 / 334113a |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/17641/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/17641/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/17641/testReport/ |
| asflicense | https://builds.apache.org/job/PreCommit-HDFS-Build/17641/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/17641/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Block Storage : store server state to persistent storage
> --------------------------------------------------------
>
>                 Key: HDFS-11154
>                 URL: https://issues.apache.org/jira/browse/HDFS-11154
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>         Attachments: HDFS-11154-HDFS-7240.001.patch, HDFS-11154-HDFS-7240.002.patch,
HDFS-11154-HDFS-7240.003.patch, HDFS-11154-HDFS-7240.004.patch, HDFS-11154-HDFS-7240.005.patch,
HDFS-11154-HDFS-7240.005.patch, HDFS-11154-HDFS-7240.006.patch, HDFS-11154-HDFS-7240.007.patch
>
>
> Currently, all the storage state are kept in server memory. If server crashes, we would
lose all the volume information. This JIRA stores server internal state into its local disk.
Such that on server failure, we can simply restart server and restore volume information from
disk.
> More specifically, the internal state written to disk is mainly the mapping from volume
to its underlying containers, plus some meta information such as volume size, block size,
etc.
> Note that this is only a simple, minimum set mechanism for persistence. It is more like
a counterpart of fsimage in HDFS, but without edit logs.



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