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Posted to hdfs-issues@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2017/07/01 06:03:01 UTC
[jira] [Commented] (HDFS-12063) Ozone: Ozone shell: Multiple RPC
calls for put/get key
[ https://issues.apache.org/jira/browse/HDFS-12063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16071026#comment-16071026 ]
Anu Engineer commented on HDFS-12063:
-------------------------------------
[~linyiqun] Thanks for fixing this issue. [~vagarychen] Thanks for committing this. [~nandakumar131] Thanks for filing this issue.
Since this is a performance improvement, I am curious how much this change improves the performance by .. Say for 4KB files, 8KB and say 1MB files. I am just curious to see the improvement, Would any of you have this number which you can share ?
> Ozone: Ozone shell: Multiple RPC calls for put/get key
> ------------------------------------------------------
>
> Key: HDFS-12063
> URL: https://issues.apache.org/jira/browse/HDFS-12063
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Nandakumar
> Assignee: Yiqun Lin
> Attachments: HDFS-12063-HDFS-7240.001.patch, HDFS-12063-HDFS-7240.002.patch
>
>
> With current implementation multiple RPC calls are made for each put/get key ozone shell call
> {code:title=org.apache.hadoop.ozone.web.ozShell.keys.PutKeyHandler#execute}
> OzoneVolume vol = client.getVolume(volumeName);
> OzoneBucket bucket = vol.getBucket(bucketName);
> bucket.putKey(keyName, dataFile);
> {code}
> {code:title=org.apache.hadoop.ozone.web.ozShell.keys.GetKeyHandler#execute}
> OzoneVolume vol = client.getVolume(volumeName);
> OzoneBucket bucket = vol.getBucket(bucketName);
> bucket.getKey(keyName, dataFilePath);
> {code}
> This can be optimized.
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