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https://issues.apache.org/jira/browse/HDFS-12204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17427517#comment-17427517
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Hadoop QA commented on HDFS-12204:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 12s{color}
| {color:red}{color} | {color:red} HDFS-12204 does not apply to branch-2.7.
Rebase required? Wrong Branch? See
https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute for help.
{color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-12204 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/13034821/HDFS-12204.branch-2.7.001.patch
|
| Console output |
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/723/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> Dfsclient Do not close file descriptor when using shortcircuit
> --------------------------------------------------------------
>
> Key: HDFS-12204
> URL: https://issues.apache.org/jira/browse/HDFS-12204
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.7.3, 3.1.4
> Environment: HDFS 2.7.3, HBASE 1.2.6, centOS 6.8
> Reporter: HanRyong,Jung
> Priority: Major
> Attachments: HDFS-12204.branch-2.7.001.patch,
> HDFS-12204.branch-3.1.001.patch, HDFS-12204.branch-3.1.002.patch
>
>
> I am a user using HDFS 2.7.3, HBASE 1.2.6, centOS 6.8.
> The regionserver uses 11 hard disks(jbod) and uses the hbase short circuit.
> At this time, when one disk fails in HDFS, I found a phenomenon that I did a
> hotswap but did not close file descriptor in hbase.
> And the fd path on the umount disk is changed to an incorrect path.
> If I check /proc/regionserver_pid/fd, if I used /data1/volumn and umounted
> data1, the path changed to /volumn.
> And many file descriptors used in shortcircuit are in the delete state.
> example )
> ls -al /proc/regionserver_pid/fd
> lr-x------ 1 dragonboy dragonboy 64 2017-07-26 20:54 946 ->
> /data8/volumn/hdfs/datanode/current/BP-199986352-10.114.243.73-1490077615453/current/finalized/subdir111/subdir21/blk_1215239490
> (deleted)
> lr-x------ 1 dragonboy dragonboy 64 2017-07-26 20:54 947 ->
> /data8/volumn/hdfs/datanode/current/BP-199986352-10.114.243.73-1490077615453/current/finalized/subdir111/subdir21/blk_1215239490_141511919.meta
> (deleted)
> lr-x------ 1 dragonboy dragonboy 64 2017-07-26 20:54 948 ->
> /data7/volumn/hdfs/datanode/current/BP-199986352-10.114.243.73-1490077615453/current/finalized/subdir111/subdir27/blk_1215241080
> (deleted)
> lr-x------ 1 dragonboy dragonboy 64 2017-07-26 20:54 949 ->
> /data7/volumn/hdfs/datanode/current/BP-199986352-10.114.243.73-1490077615453/current/finalized/subdir111/subdir27/blk_1215241080_141513509.meta
> (deleted)
> lr-x------ 1 dragonboy dragonboy 64 2017-07-26 20:54 *192 ->
> /volumn/hdfs/datanode/current/BP-199986352-10.114.243.73-1490077615453/current/finalized/subdir244/subdir160/blk_1257545757
> (deleted)*
> .
> .
> .
> .
>
> when data4 fails, execute fuser)
> /sbin/fuser -cu /data4
> Cannot stat file /proc/regionserver_pid/fd/*192*: input/output error
> Cannot stat file /proc/regionserver_pid/fd/1282: input/output error
> Cannot stat file /proc/regionserver_pid/fd/1283: input/output error
> .
> .
> .
> .
> .
>
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