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Vinayakumar B commented on HDFS-3405: ------------------------------------- Thanks Andrew for taking a detailed look into patch. I will try to address your comments and post a patch soon. > 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 > > > 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. -- This message was sent by Atlassian JIRA (v6.1.5#6160)