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From Shushant Arora <shushantaror...@gmail.com>
Subject Re: disable major compaction per table
Date Thu, 18 Feb 2016 11:16:15 GMT
Thanks!

does hbase compress repeated values in keys and  columns :location say
(ASIA). will that be repeated with each key or hbase snappy compression
will handle that.

same applies for repeated values of a column?

Thanks!

On Wed, Feb 17, 2016 at 7:14 AM, Ted Yu <yuzhihong@gmail.com> wrote:

> bq. hbase.hregion.majorcompaction = 0 per table/column family
>
> I searched code base but didn't find relevant test case for the above.
> Mind giving me some pointer ?
>
> Thanks
>
> On Tue, Feb 16, 2016 at 5:38 PM, Vladimir Rodionov <vladrodionov@gmail.com
> >
> wrote:
>
> > 1.does major compaction in hbase runs per table basis.
> >
> > Per Region
> >
> > 2.By default every 24 hours?
> >
> > In older versions - yes. Current  (1.x+) - 7 days
> >
> > 3.Can I disable automatic major compaction for few tables while keep it
> > enable for rest of tables?
> >
> > yes, you can. You can set
> >
> > hbase.hregion.majorcompaction = 0 per table/column family
> >
> > 4.Does hbase put ,get and delete are blocked while major compaction and
> are
> > working in minor compaction?
> >
> > No, they are not.
> >
> > -Vlad
> >
> > On Tue, Feb 16, 2016 at 4:51 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> >
> > > For #2, see http://hbase.apache.org/book.html#managed.compactions
> > >
> > > For #3, I don't think so.
> > >
> > > On Tue, Feb 16, 2016 at 4:46 PM, Shushant Arora <
> > shushantarora09@gmail.com
> > > >
> > > wrote:
> > >
> > > > Hi
> > > >
> > > > 1.does major compaction in hbase runs per table basis.
> > > > 2.By default every 24 hours?
> > > > 3.Can I disable automatic major compaction for few tables while keep
> it
> > > > enable for rest of tables?
> > > >
> > > > 4.Does hbase put ,get and delete are blocked while major compaction
> and
> > > are
> > > > working in minor compaction?
> > > >
> > > > Thanks
> > > >
> > >
> >
>

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