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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 Mon, 21 Nov 2016 23:53:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15685149#comment-15685149
] 

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}  0m 14s{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}  7m 59s{color}
| {color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 48s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 28s{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 53s{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 48s{color} |
{color:green} HDFS-7240 passed {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 26s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  0m 24s{color}
| {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch generated 1 new + 2 unchanged
- 0 fixed = 3 total (was 2) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-hdfs in the patch failed. {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:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 45s{color} | {color:red}
hadoop-hdfs-project_hadoop-hdfs generated 3 new + 8 unchanged - 0 fixed = 11 total (was 8)
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 26s{color} | {color:red}
hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 15s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 18m  7s{color} | {color:black}
{color} |
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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/12839907/HDFS-11154-HDFS-7240.004.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 7fd44dfd0df2 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18 21:21:05 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/17619/artifact/patchprocess/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html
|
| mvninstall | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
|
| compile | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
|
| javac | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/patch-compile-hadoop-hdfs-project_hadoop-hdfs.txt
|
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| mvnsite | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/patch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
|
| javadoc | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/diff-javadoc-javadoc-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/17619/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
>
>
> 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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