bq. On a 3000 region cluster Balancing is per-table. Meaning total number of regions doesn't come into play.
On Tue, Feb 19, 2013 at 7:55 PM, Liu, Raymond <raymond....@intel.com> wrote: > Hmm, in order to have the 96 region table be balanced within 20% On a 3000 > region cluster when all other table is balanced. > > the slop will need to be around 20%/30, say 0.006? won't it be too small? > > > > > Yes, Raymond. > > You should lower sloppiness. > > > > On Tue, Feb 19, 2013 at 7:48 PM, Liu, Raymond <raymond....@intel.com> > > wrote: > > > > > I mean region number is small. > > > > > > Overall I have say 3000 region on 4 node, while this table only have > > > 96 region. It won't be 24 for each region server, instead , will be > > > something like 19/30/23/21 etc. > > > > > > This means that I need to limit the slop to 0.02 etc? so that the > > > balancer actually run on this table? > > > > > > Best Regards, > > > Raymond Liu > > > > > > From: Marcos Ortiz [mailto:mlor...@uci.cu] > > > Sent: Wednesday, February 20, 2013 11:44 AM > > > To: user@hbase.apache.org > > > Cc: Liu, Raymond > > > Subject: Re: Is there any way to balance one table? > > > > > > What is the size of your table? > > > On 02/19/2013 10:40 PM, Liu, Raymond wrote: > > > Hi > > > > > > I do call balancer, while it seems it doesn't work. Might due to this > > > table is small and overall region number difference is within > threshold? > > > > > > -----Original Message----- > > > From: Jean-Marc Spaggiari [mailto:jean-m...@spaggiari.org] > > > Sent: Wednesday, February 20, 2013 10:59 AM > > > To: user@hbase.apache.org > > > Subject: Re: Is there any way to balance one table? > > > > > > Hi Liu, > > > > > > Why did not you simply called the balancer? If other tables are > > > already balanced, it should not touch them and will only balance the > > > table which is not balancer? > > > > > > JM > > > > > > 2013/2/19, Liu, Raymond <raymond....@intel.com>: > > > I choose to move region manually. Any other approaching? > > > > > > > > > 0.94.1 > > > > > > Any cmd in shell? Or I need to change balance threshold to 0 an run > > > global balancer cmd in shell? > > > > > > > > > > > > Best Regards, > > > Raymond Liu > > > > > > -----Original Message----- > > > From: Ted Yu [mailto:yuzhih...@gmail.com] > > > Sent: Wednesday, February 20, 2013 9:09 AM > > > To: user@hbase.apache.org > > > Subject: Re: Is there any way to balance one table? > > > > > > What version of HBase are you using ? > > > > > > 0.94 has per-table load balancing. > > > > > > Cheers > > > > > > On Tue, Feb 19, 2013 at 5:01 PM, Liu, Raymond <raymond....@intel.com> > > > wrote: > > > > > > Hi > > > > > > Is there any way to balance just one table? I found one of my table is > > > not balanced, while all the other table is balanced. So I want to fix > > > this table. > > > > > > Best Regards, > > > Raymond Liu > > > > > > > > > > > > > > > -- > > > Marcos Ortiz Valmaseda, > > > Product Manager && Data Scientist at UCI > > > Blog: http://marcosluis2186.posterous.com > > > Twitter: @marcosluis2186 > > > >
