Re: PHP/avro possibility

2010-09-01 Thread Jeff Hammerbacher
To follow up on this post: the PHP implementation of Avro has been committed to trunk (see https://issues.apache.org/jira/browse/AVRO-627) and will be available in the 1.4.0 release, which is being voted on currently. On Wed, Aug 25, 2010 at 7:39 PM, Jeremy Hanna wrote: > For those interested in

Re: Cassandra vs MongoDB

2010-07-29 Thread Jeff Hammerbacher
Having participated in the design of a few of these systems being mentioned, I'll chime in here and point out that the combination of Flume and Hive makes CDH3 very useful for log processing and that use case is directly in the wheelhouse of the system, especially for large collections of log files

Re: Cassandra on flash storage

2010-06-09 Thread Jeff Hammerbacher
Hey Boris, Could you post specifics? Last I checked, the commit log in Cassandra was designed to be run on a dedicated disk and thus should be writing sequentially. I wouldn't expect a significant speed boost unless you are running the commit log on a shared disk. When the number of SSTables corr

Re: Avro Example Code

2010-05-26 Thread Jeff Hammerbacher
I've got a mostly working Avro server and client for HBase at http://github.com/hammer/hbase-trunk-with-avro and http://github.com/hammer/pyhbase. If you replace "scan" with "slice", it shouldn't be too much different for Cassandra... On Mon, May 17, 2010 at 10:31 AM, Wellman, David wrote: > I s

Re: Trove maps

2010-05-04 Thread Jeff Hammerbacher
Hey, History repeating itself a bit, here: one delay in getting Cassandra into the open source world was removing its use of the Trove collections library, as the license (LGPL) is not compatible with the Apache 2.0 license. Later, Jeff On Sat, Apr 24, 2010 at 11:28 PM, Tatu Saloranta wrote: >