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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5208) Only clear network location cache on specific nodes if invalid NetworkTopology happens
Date Sat, 14 Sep 2013 14:24:51 GMT
Junping Du created HDFS-5208:
--------------------------------

             Summary: Only clear network location cache on specific nodes if invalid NetworkTopology
happens
                 Key: HDFS-5208
                 URL: https://issues.apache.org/jira/browse/HDFS-5208
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Junping Du
            Assignee: Junping Du


After HDFS-4521, once a DN is registered with invalid networktopology, all cached rack info
in DNSToSwitchMapping will be cleared. We should only clear cache on specific nodes.

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