Jean-Marc Spaggiari 2012-12-03, 15:04
Kevin O'dell 2012-12-03, 15:08
-Re: Data Locality, HBase? Or Hadoop?
Jean-Marc Spaggiari 2012-12-03, 15:16
Ok. So each time I move a region manually, I'm better to run a minor
compaction to make sure data is moved locally too.
2012/12/3, Kevin O'dell <[EMAIL PROTECTED]>:
> If you have disabled the balancer and are manually moving regions, you
> will need to run a compaction on those regions. That is the only(logical)
> way of bringing the data local. HDFS does not have a concept of HBase
> locality. HBase locality is all managed through major and minor
> On Mon, Dec 3, 2012 at 10:04 AM, Jean-Marc Spaggiari <
> [EMAIL PROTECTED]> wrote:
>> I'm wondering who is taking care of the data locality. Is it hadoop? Or
>> Let's say I have disabled the load balancer and I'm manually moving a
>> region to a specific server. Who is going to take care that the data
>> is going to be on the same datanode as the regionserver I moved the
>> region to? Is hadoop going to see that my region is now on this region
>> server and make sure my data is moved there too? Or is hbase going to
>> ask hadoop to do it?
>> Or, since I moved it manually, there is not any data locality guaranteed?
> Kevin O'Dell
> Customer Operations Engineer, Cloudera
Kevin O'dell 2012-12-03, 15:19
Doug Meil 2012-12-03, 15:45
Jean-Marc Spaggiari 2012-12-03, 15:53
Anoop Sam John 2012-12-04, 03:37