Re: Concurrent write performance

2013-01-22 Thread aaron morton
Background see my talk here http://www.datastax.com/events/cassandrasummit2012/presentations Mutations to a row are isolated. In practice this means that simultaneous writes to the same row are possible, however the first write thread to complete wins and the other threads start their work

RE: Concurrent write performance

2013-01-21 Thread Viktor Jevdokimov
Do you experience any performance problems? This will be the last thing to look at. Best regards / Pagarbiai Viktor Jevdokimov Senior Developer Email: viktor.jevdoki...@adform.commailto:viktor.jevdoki...@adform.com Phone: +370 5 212 3063, Fax +370 5 261 0453 J. Jasinskio 16C, LT-01112 Vilnius,