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https://issues.apache.org/jira/browse/HDFS-2092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054184#comment-13054184
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Bharath Mundlapudi commented on HDFS-2092:
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I am going to create umbrella jira for this. Link these Jira's to that soon.
Thanks for asking.
Regarding how much we save in memory is a context dependent meaning clients
usage. From my past studies on this shows the following distribution.
Cluster1:
Quantile (Size in Bytes):
1% 50% 90% 95% 99% 100%
20958.0 27277.0 115043.4 150415.7 273566.7 82323144.0
Cluster2:
Quantile (Size in Bytes):
1% 50% 90% 95% 99% 100%
21087.0 46540.0 153724.0 240260.0 386204.8 7885728.0
> Remove configuration object reference in DFSClient
> --------------------------------------------------
>
> Key: HDFS-2092
> URL: https://issues.apache.org/jira/browse/HDFS-2092
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Affects Versions: 0.23.0
> Reporter: Bharath Mundlapudi
> Assignee: Bharath Mundlapudi
> Fix For: 0.23.0
>
> Attachments: HDFS-2092-1.patch, HDFS-2092-2.patch
>
>
> At present, DFSClient stores reference to configuration object. Since, these
> configuration objects are pretty big at times can blot the processes which
> has multiple DFSClient objects like in TaskTracker. This is an attempt to
> remove the reference of conf object in DFSClient.
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