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From ch huang <justlo...@gmail.com>
Subject Re: unbalance number fo region in cluster
Date Fri, 05 Jul 2013 02:19:08 GMT
No regions in transition.
region is default size 256MB

On Thu, Jul 4, 2013 at 9:16 PM, Jean-Marc Spaggiari <jean-marc@spaggiari.org
> wrote:

> Can you please also checked on the HBase Web UI?
> Do you have regions in transition?
>
> Maybe the balancer already gave te balance plan, and regions are
> moving, slowly, to their destinations? How big are those regions? I
> mean, size in MB/GB and number of rows?
>
>
> JM
>
> 2013/7/4 Ted Yu <yuzhihong@gmail.com>:
>  > Can you check load balancer related log lines in master log and put
> them on pastebin so that root cause can be diagnosed ?
> >
> > Which HBase version are you using ?
> >
> > Thanks
> >
> > On Jul 3, 2013, at 11:44 PM, ch huang <justlooks@gmail.com> wrote:
> >
> >> the load balancer process as i see is very slow i have a big table
>  ,it's
> >> region distrabute is  node1: 5 ,node2: 22 ,node3: 5 ,after 4 hours ,it's
> >> became
> >> node1: 6  ,node2: 20 ,node1: 6, change is very very slow!
> >>
> >> On Thu, Jul 4, 2013 at 1:54 PM, Azuryy Yu <azuryyyu@gmail.com> wrote:
> >>
> >>> I supposed load balancer is enabled and there is no pre-split.
> >>>
> >>> LB run periodicly, (5 mininutes by default), so after insert bulk data
> into
> >>> HBase, the table is unbalance but there will be balanced eventually
> after
> >>> round-robin load balancer running.
> >>>
> >>>
> >>> On Thu, Jul 4, 2013 at 1:25 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> >>>
> >>>> Did you presplit your table ?
> >>>>
> >>>> Was load balancer enabled ?
> >>>>
> >>>> What HBase version do you use ?
> >>>>
> >>>> Thanks
> >>>>
> >>>> On Jul 3, 2013, at 10:21 PM, ch huang <justlooks@gmail.com> wrote:
> >>>>
> >>>>> i insert 2GB data into my hbase cluster ,but i find the region is
not
> >>>>> balance,is insert operation always cause the region number different
> on
> >>>>> region server?
> >>>>>
> >>>>> here is my 60010 output
> >>>>>
> >>>>> Table Regions  Name Region Server Start Key End Key
> >>>>> demo2,,1372914631698.f42281ec44d113df3e644d5ecdb35366.
> >>>>> CH36:60030<http://ch36:60030/>
> >>>>> rows23703
> >>> demo2,rows23703,1372914684582.c3373791daec95b849ba2908c517e045.
> >>>>> CH35:60030 <http://ch35:60030/> rows23703 rows347161
> >>>>> demo2,rows347161,1372914714248.dd9a6c39f65ad4a879638e1bfec76016.
> >>>>> CH34:60030<http://ch34:60030/>
> >>>>> rows347161 rows428378
> >>>>> demo2,rows428378,1372914745946.41a4669f36bc99ef1592b2df13c0a948.
> >>>>> CH36:60030<http://ch36:60030/>
> >>>>> rows428378 rows512589
> >>>>> demo2,rows512589,1372914776151.a4363bdd7403633c5775931ab32a7da8.
> >>>>> CH36:60030<http://ch36:60030/>
> >>>>> rows512589 rows598644
> >>>>> demo2,rows598644,1372914806469.729f52018aac909e8080f00b8d698e2d.
> >>>>> CH36:60030<http://ch36:60030/>
> >>>>> rows598644 rows684871
> >>>>> demo2,rows684871,1372914836812.d9cb1760fe3302500034913ff813e0f8.
> >>>>> CH35:60030<http://ch35:60030/>
> >>>>> rows684871 rows771559
> >>>>> demo2,rows771559,1372914836812.ac16ff1404cff5c0db3d2e3b0661ffcd.
> >>>>> CH36:60030<http://ch36:60030/>
> >>>>> rows771559 Regions by Region Server  Region Server Region Count
> >>>>> http://CH35:60030/ <http://ch35:60030/> <http://ch35:60030/>
2
> http://CH36:60030/ <http://ch36:60030/><http://ch36:60030/>5
> >>> http://CH34:60030/ <http://ch34:60030/> <http://ch34:60030/>
1
> >>>
>

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