CompositeType for use with 0.7

2011-11-05 Thread Guy Incognito
Is this a lib I can just drop into a 0.7 instance of cassandra and use? I'm not sure what to make of the README about not using it with versions earlier than 0.8.0-rc1. https://github.com/riptano/hector-composite the goal is to start using CompositeTypes in 0.7 (which I can't upgrade to 0.8

Re: CompositeType for use with 0.7

2011-11-05 Thread Edward Capriolo
If your version of Cassandra does not support composite you need to upgrade, If the server is not aware the column is composite it will not be able to use them to full effect. You likely will not get the sorting and slicing capabilities you want. Edward On Sat, Nov 5, 2011 at 4:44 AM, Guy

Re: CompositeType for use with 0.7

2011-11-05 Thread Ed Anuff
It was developed for 0.7x but we then made a few changes so that it would work with 0.8-rc1 that broke the 0.7 compatibility. The idea at the time was to do a 0.7 branch for it but it looks like that never got checked in. If you roll back to the previous commit it should give you a version that

Re: Upgrading to 1.0

2011-11-05 Thread Jake Maizel
If we upgrade and want to use compression, how is the old data handled? Does it read and then write all sstables out to new compressed files one at a time or do something else? I'm considering the storage require on top of what is needed for the existing data. Regards, jake On Wed, Nov 2, 2011

RE: Second Cassandra users survey

2011-11-05 Thread Pierre Chalamet
Dear Santa, here is my wish list :) - support for atomic operations or batches (if QUORUM fails, data should not be visible with ONE) - TTL on CF, rows and counters - restart the TTL when a row, column or CF is touched - streamed data transfer (both send receive). At least for receive

Re: Second Cassandra users survey

2011-11-05 Thread Brandon Williams
On Fri, Nov 4, 2011 at 9:50 PM, Jim Newsham jnews...@referentia.com wrote: Our use case is time-series data (such as sampled sensor data).  Each row describes a particular statistic over time, the column name is a time, and the column value is the sample.  So it makes perfect sense to want to