uction data and if you have
more to share, for sure it will help!
Regards,
Cristofer
-Mensagem original-
De: AnandaVelMurugan Chandra Mohan [mailto:ananthu2...@gmail.com]
Enviada em: segunda-feira, 16 de julho de 2012 02:30
Para: user@hbase.apache.org
Assunto: Rowkey hashing to avoid hotsp
and a lot of questions, so by now I feel I
> started to shoot in the dark. Try to understand your production data and if
> you have more to share, for sure it will help!
>
> Regards,
> Cristofer
>
> -Mensagem original-
> De: AnandaVelMurugan Chandra Mohan [mailto:ananthu
ing. It's not for free.
> >
> > There's a lot of words here and a lot of questions, so by now I feel I
> > started to shoot in the dark. Try to understand your production data and
> if
> > you have more to share, for sure it will help!
> >
> > Regards,
>
a String.format("%03x", hashValue)
>>>
>>> In both cases, you still have to split your regions in advance, and it
>>> will be better to work your splitting before starting to feed your table
>>> with production data.
>>>
>>> Also, y
tion must be your rowkey prefix to ensure a kind of
> >>> balanced distribution over something (where something is your region
> >>> servers). I'm working with a case that is a bit similar to yours, and
> >> what
> >>> I'm doing right now is
lly a
serial number is unique. But, of course, it's just curiosity. :-)
Regards,
Cristofer
-Mensagem original-
De: Alex Baranau [mailto:alex.barano...@gmail.com]
Enviada em: terça-feira, 17 de julho de 2012 12:53
Para: user@hbase.apache.org
Assunto: Re: Rowkey hashing to avoid h
reate a hex string to prepend to my
> > > rowkey. Something like a String.format("%03x", hashValue)
> > >
> > > In both cases, you still have to split your regions in advance, and
> > > it will be better to work your splitting before starting to feed
>
;s my curiosity asking again!
Thanks for sharing!
Regards,
Cristofer
-Mensagem original-
De: AnandaVelMurugan Chandra Mohan [mailto:ananthu2...@gmail.com]
Enviada em: quarta-feira, 18 de julho de 2012 13:04
Para: user@hbase.apache.org
Assunto: Re: Rowkey hashing to avoid hotspottin
om]
> Enviada em: quarta-feira, 18 de julho de 2012 13:04
> Para: user@hbase.apache.org
> Assunto: Re: Rowkey hashing to avoid hotspotting
>
> Hi Cristofer,
>
> Data i store is test cell reports about a component. I have many test cell
> reports for each model number + seria
> > De: AnandaVelMurugan Chandra Mohan [mailto:ananthu2...@gmail.com]
> > Enviada em: quarta-feira, 18 de julho de 2012 13:04
> > Para: user@hbase.apache.org
> > Assunto: Re: Rowkey hashing to avoid hotspotting
> >
> > Hi Cristofer,
> >
> > Data i store is test
; > > > Also, two other things got my attention here...
> > > > > > 1 - Why are you filtering with regex? If your queries are over
> > > > > > model
> > > > no.
> > > > > +
> > > > > > serial no., why don&
pliting your table will balance your load over
> > your
> > > > Region Servers.
> > > > > Also, you will be able to recalculate your hash for your model#
> > before
> > > > > scanning for it, allowing for a scan over specific rowkey while
>
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