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Posted to dev@hbase.apache.org by "Mike Drob (JIRA)" <ji...@apache.org> on 2017/10/03 22:24:01 UTC

[jira] [Resolved] (HBASE-3706) On node crash (RS+DN), the replication of blocks can up latency

     [ https://issues.apache.org/jira/browse/HBASE-3706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Drob resolved HBASE-3706.
------------------------------
    Resolution: Cannot Reproduce

Stale issue; please reopen and tag with appropriate "affectsVersion" if still relevant

> 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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