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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10929) Ozone:SCM: explore if we need 3 maps for tracking the state of nodes
Date Thu, 29 Sep 2016 17:10:20 GMT
Anu Engineer created HDFS-10929:
-----------------------------------

             Summary: Ozone:SCM: explore if we need 3 maps for tracking the state of nodes
                 Key: HDFS-10929
                 URL: https://issues.apache.org/jira/browse/HDFS-10929
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
    Affects Versions: HDFS-7240
            Reporter: Anu Engineer
             Fix For: HDFS-7240


Based on comments from [~jingzhao], This jira tracks if we really need 3 maps in the SCMNodeManager
class or if we should collapse them to a single one. The reason why we have 3 maps is to reduce
lock contention.  We might be able to collapse this into a single map. This JIRA is to track
that action item.



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