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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11244) [SPS]: Limit the number satisfyStoragePolicy items at Namenode
Date Wed, 14 Dec 2016 10:10:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rakesh R updated HDFS-11244:
----------------------------
    Summary: [SPS]: Limit the number satisfyStoragePolicy items at Namenode  (was: Limit the
number satisfyStoragePolicy items at Namenode)

> [SPS]: Limit the number satisfyStoragePolicy items at Namenode
> --------------------------------------------------------------
>
>                 Key: HDFS-11244
>                 URL: https://issues.apache.org/jira/browse/HDFS-11244
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>
> This JIRA is to provide a provision to limit the number storagePolisySatisfy pending
queues. If we don't limit this number and if users keep calling more and more and if DNs are
slow processing machines, then NN sides queues can grow up. So, it may be good to have an
option to limit incoming requests for satisfyStoragePolicy. May be default 10K?  



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