Pressure for adoption? Sent from my Motorola ATRIX™ 4G on AT&T
-----Original message----- From: Drew Pierce <drewpie...@live.com> To: "dev@accumulo.apache.org" <dev@accumulo.apache.org> 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: wilhelm.von.cl...@accumulo.net > To: dev@accumulo.apache.org > > Does sqrrl provide an example framework to play around with? > > > On Fri, May 3, 2013 at 2:20 PM, Adam Fuchs <afu...@apache.org> 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 <drewpie...@live.com> 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 > > > > > > > >
