Re: Region balancing question

2012-08-02 Thread Elliott Clark
Even when balancing by table the current default balancer does not take into account region size, request rate, or memory usage. If you want those things there's a new balancer in trunk (slated for 0.96) that gives these things. However that patch is a little bit more involved and applying it to

Re: Region balancing question

2012-08-02 Thread Kevin O'dell
Bryan, https://issues.apache.org/jira/browse/HBASE-3373 did not make it into CDH4, there is not a real easy way to do this on your own. I have attached some sample code to get your started with writing your own(a colleague of mine wrote it). On Thu, Aug 2, 2012 at 1:20 PM, Bryan Keller wrot

Re: Region balancing question

2012-08-02 Thread Bryan Keller
I'm using 0.92 (Cloudera CDH4). Yes I definitely do not want to balance all regions across all tables together, as some tables are much more active than others and thus some regions are barely being used. I was thinking this might be what the balancer was doing. The regions are balanced in terms

Re: Region balancing question

2012-08-02 Thread Ted Yu
.@huawei.com] > Sent: Thursday, August 02, 2012 3:24 PM > To: user@hbase.apache.org > Subject: RE: Region balancing question > > Hi > Which version you are using? > From 0.94 in the balancer there are 2 ways of balancing. One is by table > balancing in which balancer will make

RE: Region balancing question

2012-08-02 Thread Ramkrishna.S.Vasudevan
hbase.master.loadbalance.bytable - By default it is true. Regards Ram > -Original Message- > From: Anoop Sam John [mailto:anoo...@huawei.com] > Sent: Thursday, August 02, 2012 3:32 PM > To: user@hbase.apache.org > Subject: RE: Region balancing question > > Seems t

RE: Region balancing question

2012-08-02 Thread Anoop Sam John
Seems this is available from 0.92 version.. See HBASE-3373 -Anoop- From: Anoop Sam John [anoo...@huawei.com] Sent: Thursday, August 02, 2012 3:24 PM To: user@hbase.apache.org Subject: RE: Region balancing question Hi Which version you are using? >F

RE: Region balancing question

2012-08-02 Thread Anoop Sam John
Hi Which version you are using? >From 0.94 in the balancer there are 2 ways of balancing. One is by table >balancing in which balancer will make sure the regions for one table is >balanced across the RSs. But in the other way of balancing in generic way it >will consider all the regions acros