Re: questions about consistency

2010-04-22 Thread Paul Prescod
2010/4/22 Даниел Симеонов : > Hi Paul, >     Thank you for your answer, about the first question, I wondered if it is > possible to workaround this issue but relaxing some consistency, as I > understand you it should be possible to implement this compareAndSet > operation with the presence of vecto

Re: questions about consistency

2010-04-22 Thread Даниел Симеонов
Hi Paul, Thank you for your answer, about the first question, I wondered if it is possible to workaround this issue but relaxing some consistency, as I understand you it should be possible to implement this compareAndSet operation with the presence of vector clocks, then the client is going to

Re: questions about consistency

2010-04-21 Thread Masood Mortazavi
Hi Daniel, For a general theoretical understanding, try reading some of the papers on eventual consistency by Werner Vogels. Reading the SOSP'07, Dynamo paper would also help with some of the theoretical foundations and academic references. To get even further into it, try reading Replication T

Re: questions about consistency

2010-04-21 Thread Даниел Симеонов
Hi Paul, about the last answer I still need some more clarifications, as I understand it if QUORUM is used, then reads doesn't get old values either? Or am I wrong? Thank you very much! Best regards, Daniel. 2010/4/21 Paul Prescod > I'm not an expert, so take what I say with a grain of salt.

Re: questions about consistency

2010-04-21 Thread Paul Prescod
I'm not an expert, so take what I say with a grain of salt. 2010/4/21 Даниел Симеонов : > Hello, >    I am pretty new to Cassandra and I have some questions, they may seem > trivial, but still I am pretty new to the subject. First is about the lack > of a compareAndSet() operation, as I understood