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Accumulo, mail # dev - RE: performance


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RE: performance
Dave Marion 2013-05-03, 20:08
Pressure for adoption?

Sent from my Motorola ATRIX™ 4G on AT&T

-----Original message-----
From: Drew Pierce <[EMAIL PROTECTED]>
To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
Sent: Fri, May 3, 2013 19:37:50 GMT+00:00
Subject: RE: performance

problem is that pressure is mounting for adoption and GA of sqrrl is some time away.
thx
> Date: Fri, 3 May 2013 14:36:50 -0400
> Subject: Re: peformance
> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
>
> Does sqrrl provide an example framework to play around with?
>
>
> On Fri, May 3, 2013 at 2:20 PM, Adam Fuchs <[EMAIL PROTECTED]> wrote:
>
> > Hey Drew,
> >
> > This could be a very broad question, so I'll give a partial answer and
> > encourage you to come back for more details.
> >
> > Impala is a mechanism that sits on top of HBase or HDFS that is design to
> > filter and process large quantities of data. People generally like Impala
> > because it supports a subset of SQL and because it is optimized to reduce
> > the latency that might be incurred by starting up a job in a bulk
> > synchronous processing framework. Instead, it uses a series of daemon
> > processes and a custom API to reduce overhead.
> >
> > With Accumulo, our approach to low-latency queries is generally to use a
> > table structure that incorporates some type of index. With appropriate
> > indexing techniques, Accumulo can achieve sub-second query latencies even
> > over multi-petabyte sized corpuses. Some of these table designs are
> > described in the manual:
> > http://accumulo.apache.org/1.4/user_manual/Table_Design.html
> >
> > Regarding the SQL piece, Accumulo does not natively support an SQL
> > interface. For that you would need to wrap it in a processing framework,
> > like Hive (https://issues.apache.org/jira/browse/ACCUMULO-143). To make a
> > shameless plug, Sqrrl (www.sqrrl.com) also offers that functionality.
> >
> > Cheers,
> > Adam
> >
> >
> >
> > On Fri, May 3, 2013 at 12:39 PM, Drew Pierce <[EMAIL PROTECTED]> wrote:
> >
> > > does anyone have any anecdotal results (nothing formal) for queries to
> > > speak to the likes of impala and near low-latency.
> > > Sent from my Android
> > >
> > > Sorry if brief
> > >
> > >
> >