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From Vaibhav Puranik <vpura...@gmail.com>
Subject Re: anyone with experience in hbase 0.20 realtime application?
Date Tue, 11 Aug 2009 23:23:19 GMT
Amandeep,

We are caching Hbase results in memory (in a HashMap).

Regards,
Vaibhav

On Tue, Aug 11, 2009 at 12:56 PM, Amandeep Khurana <amansk@gmail.com> wrote:

> Vaibhav,
>
> What kind of caching are you doing over hbase and how?
>
> -Amandeep
>
>
> Amandeep Khurana
> Computer Science Graduate Student
> University of California, Santa Cruz
>
>
> On Tue, Aug 11, 2009 at 10:48 AM, Vaibhav Puranik <vpuranik@gmail.com
> >wrote:
>
> > We are using HBase 0.20 (Trunk version at 23rd July evening) in
> production
> > environment at GumGum.
> >
> > Our experience is very good. Initially I mistakenly forgot to add caching
> > (even though we had planned for it) and every request was fetching two
> rows
> > from Hbase and inserting one row in HBase.
> > In spite of that our request processing time was less than 300 ms.
> >
> > We are not getting huge amounts of requests - we approximately get 25,000
> > to
> > 30,000 requests to our web app backed by HBase every day.
> >
> > We have a 4 node cluster running on EC2 (Large instances) and so far we
> > haven't faced any production problem.
> > (Hope it works out that way all the time!)
> >
> > Regards,
> > Vaibhav Puranik,
> > GumGum
> >
> >
> >
> >
> > On Tue, Aug 11, 2009 at 10:29 AM, Fabio Kaminski <
> > fabiokaminski@mobly.com.br
> > > wrote:
> >
> > > is there anyone with experience in hbase 0.20 realtime application,
> > > preferably in production environment?
> > >
> > > in thinking in throw away all my legacy knowledge about what i think
> > about
> > > systems.. cause i think this is the hadoop(and hbase) are the next big
> > > thing
> > > in tecnology.. i really buy this concept and im glady that i found it
> > right
> > > in it's inception.
> > >
> > > Im preparing to work with hadoop and hbase for realtime environment,
> and
> > i
> > > could see that the hbase engineers are preparing hbase for realtime
> > > applications, like rdbms standards does, but in a new and promissing
> > > environment. this is undoubtly a paradigm shift!
> > >
> > > anyone with realtime application runing in such environment? could you
> > > share
> > > some of you experience with it?
> > >
> > > Thanks !
> > >
> > > Fabio Kaminski
> > >
> >
>

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