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Re: Checking major compaction
Kiran,

  I don't believe you can.   If you have a sane region count/region size it
should be over soon.

On Fri, Oct 19, 2012 at 11:37 AM, kiran <[EMAIL PROTECTED]> wrote:

> Hi all,
>
> I mistakenly execution major compaction on the entire table instead of
> region by region. It is causing so much delay in the write performance,
> also on the disk and networkI/O. How can i stop major compaction now ?
>
> Thanks
> Kiran
>
> On Thu, Oct 18, 2012 at 2:55 PM, Ramkrishna.S.Vasudevan <
> [EMAIL PROTECTED]> wrote:
>
> > >A simple test would be to just right some 10 rows
> > I meant to say write some 10 rows.(not right)
> >
> > Regards
> > Ram
> >
> > > -----Original Message-----
> > > From: Ramkrishna.S.Vasudevan [mailto:[EMAIL PROTECTED]]
> > > Sent: Thursday, October 18, 2012 2:05 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: RE: Checking major compaction
> > >
> > > Hi
> > >
> > > Yes Kiran you can go thro the logs also.
> > >
> > > You will see some logs like
> > > 'Start major compaction for ..............
> > > 'Compacting file  ................
> > > 'Compacting file ................
> > > And finally 'Completed major/minor compaction.....'
> > >
> > > I just don have some exact logs with me right now.  But you can see log
> > > msgs
> > > but all comes in debug mode.  So ensure you enable debug mode for your
> > > logs.
> > >
> > > A simple test would be to just right some 10 rows. In between do some 4
> > > to 5
> > > flushes.
> > >
> > > Just give major_compact(tableName) from the shell.   You can see the
> > > logs.
> > > :)
> > >
> > > Regards
> > > Ram
> > >
> > > > -----Original Message-----
> > > > From: kiran [mailto:[EMAIL PROTECTED]]
> > > > Sent: Thursday, October 18, 2012 12:03 PM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: Checking major compaction
> > > >
> > > > Thanks ram,
> > > >
> > > > Is there a way can I check it through region server logs. If it is
> > > > possible
> > > > what are the statements that I need to look for ??
> > > >
> > > > Thanks
> > > > Kiran
> > > >
> > > > On Thu, Oct 18, 2012 at 11:55 AM, Ramkrishna.S.Vasudevan <
> > > > [EMAIL PROTECTED]> wrote:
> > > >
> > > > > HBASE-6033 does the work that you ask for.  It is currently in
> > > Trunk
> > > > > version
> > > > > of HBase.
> > > > >
> > > > > Regards
> > > > > Ram
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: kiran [mailto:[EMAIL PROTECTED]]
> > > > > > Sent: Thursday, October 18, 2012 11:43 AM
> > > > > > To: [EMAIL PROTECTED]
> > > > > > Subject: Checking major compaction
> > > > > >
> > > > > > Hi all,
> > > > > >
> > > > > > Is there a way to check if major compaction is running or not on
> > > a
> > > > > > table.
> > > > > >
> > > > > > --
> > > > > > Thank you
> > > > > > Kiran Sarvabhotla
> > > > > >
> > > > > > -----Even a correct decision is wrong when it is taken late
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Thank you
> > > > Kiran Sarvabhotla
> > > >
> > > > -----Even a correct decision is wrong when it is taken late
> >
> >
>
>
> --
> Thank you
> Kiran Sarvabhotla
>
> -----Even a correct decision is wrong when it is taken late
>

--
Kevin O'Dell
Customer Operations Engineer, Cloudera