Re: Post on experiences with Cassandra for Twitter retweet analysis

2010-08-16 Thread Mikio Braun
Hi Eric, no general problems per se with long rows. The only problem was that retrieving the whole row took about 10-20 seconds and the timeouts I had set (both the Cassandra RPC, as well as in the client library I used) were slower, so these requests could never complete. This gave me a bit

Re: Post on experiences with Cassandra for Twitter retweet analysis

2010-08-12 Thread Eric Evans
On Thu, 2010-08-12 at 11:29 +0200, Mikio Braun wrote: > So far, we're very pleased with Cassandra performance, but we've also > had to overcome some issues on which I report in the blog and which > are hopefully interesting for other users of Cassandra. > > The blog post can be found here: > > ht

Post on experiences with Cassandra for Twitter retweet analysis

2010-08-12 Thread Mikio Braun
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hello, I've put a blog post where I discuss our experiences with using Cassandra as the main database backend for twimpact. Twimpact is research project at the TU Berlin which aims at estimating user impact based on retweet analysis. A live version of