Re: Poor performance on small data set

2011-03-12 Thread Vodnok
Thank you all for your replies "nagle + delayed ACK problem" : I founded a way to solve this via regedit but no impact on response time THRIFT-638 : It seems to be a solution but i don't know how to patch this on my environement phpcassa has a C extension but it's hard for me to build a php exte

Poor performance on small data set

2011-03-11 Thread Vodnok
There is less than 1000 rows and i've got a 75-100ms to get one row by id With memcached it's 2ms I don't know where is the problem. jvm ? cassandra ? phpcassa ? What can i do to detect where is the problem ? Thank you, Vodnok, ps: phpcassa say to use C Extension (but canno

Re: Advice on a design

2011-03-03 Thread Vodnok
hp > > Without the secondary indexes on columns in CFs within SCFs, the best > approach is to create query-specific CFs at the moment. In the end all comes > down to how simple you can make your queries to have a minimum CF count. > > Regards, > Burc > > On Wed, Mar 2, 201

Re: Advice on a design

2011-03-03 Thread Vodnok
hp > > Without the secondary indexes on columns in CFs within SCFs, the best > approach is to create query-specific CFs at the moment. In the end all comes > down to how simple you can make your queries to have a minimum CF count. > > Regards, > Burc > > On Wed, Mar 2, 201

Re: Advice on a design

2011-03-02 Thread Vodnok
index on C on super is not possible for now (but will be maybe in next version) As i understand it's better to have more less complex CF then less more complex CF Thank you for your reply, 2011/3/2 Burc Sade > Hi Vodnok, > > For tag searches I would use a search engine like So