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https://issues.apache.org/jira/browse/HDFS-10980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15556513#comment-15556513
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Hudson commented on HDFS-10980:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10571 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10571/])
HDFS-10980. Optimize check for existence of parent directory. (kihwal: rev
e57fa81d9559a93d77fd724f7792326c31a490be)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSDirectory.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirWriteFileOp.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirMkdirOp.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirSymlinkOp.java
> Optimize check for existence of parent directory
> ------------------------------------------------
>
> Key: HDFS-10980
> URL: https://issues.apache.org/jira/browse/HDFS-10980
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.8.0, 3.0.0-alpha2
>
> Attachments: HDFS-10980.patch
>
>
> {{FSDirectory.verifyParentDir()}} uses a {{Path}} object to parse and return
> the parent path. This is very expensive compared to using the path within
> the IIP.
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