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https://issues.apache.org/jira/browse/HDFS-3405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13924557#comment-13924557
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Andrew Wang commented on HDFS-3405:
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I ran the failed test locally and it worked. Will commit shortly, nice work
Vinay.
> 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
> 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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