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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-3706) On node crash (RS+DN), the replication of blocks can up latency
Date Mon, 28 Mar 2011 17:40:05 GMT
On node crash (RS+DN), the replication of blocks can up latency
---------------------------------------------------------------

                 Key: HBASE-3706
                 URL: https://issues.apache.org/jira/browse/HBASE-3706
             Project: HBase
          Issue Type: Bug
            Reporter: stack


HDFS is kinda dumb regards rereplication in that if it notices missing replicas, its crass
in the way it goes about making redress; there is no facility for limiting the rate of rereplication
(HDFS-1195).  We've seen the case where hdfs is rereplicating at such a rate after DN crash,
it fills the network hampering data serving.  This issue is about noting this prob. and helping
out/keeping an eye on HDFS-1195.

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