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MapReduce >> mail # user >> question about data block replicator number


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Re: question about data block replicator number
Yup that's the responsibility of namenode to control under and over
replicated blocks automatically, However you can you balancer script any
time.

Thanks
On Fri, Aug 16, 2013 at 2:09 PM, bharath vissapragada <
[EMAIL PROTECTED]> wrote:

> No, namenode deletes over-replicated blocks after some time.!
>
>
> On Fri, Aug 16, 2013 at 2:03 PM, ch huang <[EMAIL PROTECTED]> wrote:
>
>> hi,all:
>> if i have three data node, and data block replicator number is 2, one of
>> data node failed,so it's data block on it will move to another alive DN,the
>> replicator still be
>> 3 ,what if the failed DN recover ,the replicator will become 4?
>>
>
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB