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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4120) Add a new "-skipSharedEditsCheck" option for BootstrapStandby
Date Fri, 18 Jul 2014 10:43:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14066259#comment-14066259
] 

Hudson commented on HDFS-4120:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #616 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/616/])
HDFS-4120. Add a new "-skipSharedEditsCheck" option for BootstrapStandby ( Contributed by
Liang Xie and Rakesh R ) (vinayakumarb: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611562)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/TestBootstrapStandbyWithBKJM.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/BootstrapStandby.java
reverted
HDFS-4120. Add a new "-skipSharedEditsCheck" option for BootstrapStandby ( Contributed by
Rakesh R )
........ (vinayakumarb: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611560)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/TestBootstrapStandbyWithBKJM.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/BootstrapStandby.java
HDFS-4120. Add a new "-skipSharedEditsCheck" option for BootstrapStandby ( Contributed by
Rakesh R ) (vinayakumarb: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611556)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/test/java/org/apache/hadoop/contrib/bkjournal/TestBootstrapStandbyWithBKJM.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/BootstrapStandby.java


> Add a new "-skipSharedEditsCheck" option for BootstrapStandby
> -------------------------------------------------------------
>
>                 Key: HDFS-4120
>                 URL: https://issues.apache.org/jira/browse/HDFS-4120
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ha, namenode
>    Affects Versions: 3.0.0, 2.0.2-alpha
>            Reporter: Liang Xie
>            Assignee: Rakesh R
>            Priority: Minor
>             Fix For: 2.6.0
>
>         Attachments: HDFS-4120.patch, HDFS-4120.patch, HDFS-4120.patch, HDFS-4120.txt
>
>
> Per https://issues.apache.org/jira/browse/HDFS-3752?focusedCommentId=13449466&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13449466
, let's introduce a new option, it should be very safe, but really useful for some corner
case.  e.g. when SNN losts local storage, we need to reset SNN, but in current trunk, it'll
always get a FATAL msg and could never be successful.     Another workaroud for this case,
is full-sync the "current" directory from ANN, but it'll be cost more disk-space & net
bandwidth, IMHO.



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