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https://issues.apache.org/jira/browse/HDFS-3438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13279528#comment-13279528
]
Hudson commented on HDFS-3438:
------------------------------
Integrated in Hadoop-Hdfs-trunk #1050 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1050/])
HDFS-3438. BootstrapStandby should not require a rollEdits on active node.
Contributed by Todd Lipcon. (Revision 1340343)
Result = SUCCESS
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1340343
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/NamenodeProtocolServerSideTranslatorPB.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/NamenodeProtocolTranslatorPB.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/BootstrapStandby.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/protocol/NamenodeProtocol.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/proto/NamenodeProtocol.proto
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestBootstrapStandby.java
> BootstrapStandby should not require a rollEdits on active node
> --------------------------------------------------------------
>
> Key: HDFS-3438
> URL: https://issues.apache.org/jira/browse/HDFS-3438
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ha
> Affects Versions: 2.0.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 2.0.1
>
> Attachments: hdfs-3438.txt
>
>
> Currently, BootstrapStandby uses a rollEdits() call on the active NN in order
> to determine the most recent checkpoint and transaction ID. However, this
> means that you cannot bootstrap a standby when the active NN is in safe mode
> -- i.e you have to start the whole cluster before you can bootstrap a new
> standby. This makes the workflow to convert an existing cluster to HA more
> complicated. We should allow BootstrapStandby to work even when the NN is in
> safe mode.
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