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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10768) Optimize mkdir ops
Date Fri, 19 Aug 2016 13:39:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15428198#comment-15428198
] 

Hadoop QA commented on HDFS-10768:
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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  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  7s{color} | {color:red}
HDFS-10768 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12824008/HDFS-10768.patch
|
| JIRA Issue | HDFS-10768 |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/16482/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Optimize mkdir ops
> ------------------
>
>                 Key: HDFS-10768
>                 URL: https://issues.apache.org/jira/browse/HDFS-10768
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HDFS-10768.patch
>
>
> Directory creation causes excessive object allocation: ex. an immutable list builder,
containing the string of components converted from the IIP's byte[]s, sublist views of the
string list, iterable, followed by string to byte[] conversion.  This can all be eliminated
by accessing the component's byte[] in the IIP.



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