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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12603) Enable async edit logging by default
Date Mon, 16 Oct 2017 17:22:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206235#comment-16206235
] 

Hudson commented on HDFS-12603:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13089 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/13089/])
HDFS-12603. Enable async edit logging by default. Contributed by Andrew (xiao: rev 035c6ee587e444550af6420676e4cee049e09869)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java


> Enable async edit logging by default
> ------------------------------------
>
>                 Key: HDFS-12603
>                 URL: https://issues.apache.org/jira/browse/HDFS-12603
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.8.0, 2.9.0, 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: 2.9.0, 2.8.3, 3.0.0
>
>         Attachments: HDFS-12603.001.patch, HDFS-12603.002.patch, HDFS-12603.003.patch,
HDFS-12603.004.patch, HDFS-12603.branch-2.01.patch, HDFS-12603.branch-2.02.patch, HDFS-12603.injectors-not-working.patch
>
>
> HDFS-7964 added support for async edit logging. Based on further discussion in that JIRA,
we think it's safe to turn this on by default for better out-of-the-box performance.



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