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https://issues.apache.org/jira/browse/HDFS-3405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13925022#comment-13925022
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Hudson commented on HDFS-3405:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #5293 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/5293/])
HDFS-3405. Checkpointing should use HTTP POST or PUT instead of GET-GET to send
merged fsimages. Contributed by Vinayakumar B. (wang:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1575611)
* /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/DFSConfigKeys.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/GetJournalEditServlet.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/Checkpointer.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ImageServlet.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeHttpServer.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/TransferFsImage.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/StandbyCheckpointer.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestCheckpoint.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestGetImageServlet.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestTransferFsImage.java
> Checkpointing should use HTTP POST or PUT instead of GET-GET to send merged
> fsimages
> ------------------------------------------------------------------------------------
>
> Key: HDFS-3405
> URL: https://issues.apache.org/jira/browse/HDFS-3405
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 1.0.0, 3.0.0, 2.0.5-alpha
> Reporter: Aaron T. Myers
> Assignee: Vinayakumar B
> Fix For: 3.0.0
>
> Attachments: HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch,
> HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch,
> HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch,
> HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch,
> HDFS-3405.patch, HDFS-3405.patch, HDFS-3405.patch
>
>
> As Todd points out in [this
> comment|https://issues.apache.org/jira/browse/HDFS-3404?focusedCommentId=13272986&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13272986],
> the current scheme for a checkpointing daemon to upload a merged fsimage
> file to an NN is to issue an HTTP get request to tell the target NN to issue
> another GET request back to the checkpointing daemon to retrieve the merged
> fsimage file. There's no fundamental reason the checkpointing daemon can't
> just use an HTTP POST or PUT to send back the merged fsimage file, rather
> than the double-GET scheme.
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