Jean-Marc Spaggiari 2012-12-03, 15:04
Kevin Odell 2012-12-03, 15:08
Jean-Marc Spaggiari 2012-12-03, 15:16
-Re: Data Locality, HBase? Or Hadoop?
Kevin O'dell 2012-12-03, 15:19
I would argue to running a major compact on the individual region. Should
be quick seeing as how you are on .94.
On Mon, Dec 3, 2012 at 10:16 AM, Jean-Marc Spaggiari <
[EMAIL PROTECTED]> wrote:
> 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.
> Got it.
> 2012/12/3, Kevin O'dell <[EMAIL PROTECTED]>:
> > JM,
> > If you have disabled the balancer and are manually moving regions, you
> > will need to run a compaction on those regions. That is the
> > way of bringing the data local. HDFS does not have a concept of HBase
> > locality. HBase locality is all managed through major and minor
> > compactions.
> > On Mon, Dec 3, 2012 at 10:04 AM, Jean-Marc Spaggiari <
> > [EMAIL PROTECTED]> wrote:
> >> Hi,
> >> I'm wondering who is taking care of the data locality. Is it hadoop? Or
> >> hbase?
> >> 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
> >> Thanks,
> >> JM
> > --
> > Kevin O'Dell
> > Customer Operations Engineer, Cloudera
Customer Operations Engineer, Cloudera
Doug Meil 2012-12-03, 15:45
Jean-Marc Spaggiari 2012-12-03, 15:53
Anoop Sam John 2012-12-04, 03:37