Thanks Viktor for the advice. Right now, i just have 1 node that i am testing against and i am using CL one. Are you suggesting that the page cache might be doing better than the row cache? I am getting row cache hit of 0.66 right now.
/G On Thu, May 17, 2012 at 12:26 AM, Viktor Jevdokimov < viktor.jevdoki...@adform.com> wrote: > > Gurpreet Singh wrote: > > Any ideas on what could help here bring down the read latency even more ? > > Avoid Cassandra forwarding request to other nodes: > - Use consistency level ONE; > - Create data model to do single request with single key, since different > keys may belong to different nodes and requires forwarding requests to them; > - Use smart client to calculate token for key and select appropriate node > (primary or replica) by token range; > - Turn off Dynamic Snitch (it may forward request to other replica even it > has the data); > - Have all or hot data in page cache (no HDD disk IO) or use SSD; > - If you do regular updates to key, do not use row cache, otherwise you > may try. > > > > > Best regards / Pagarbiai > > Viktor Jevdokimov > Senior Developer > > Email: viktor.jevdoki...@adform.com > Phone: +370 5 212 3063 > Fax: +370 5 261 0453 > > J. Jasinskio 16C, > LT-01112 Vilnius, > Lithuania > > > > Disclaimer: The information contained in this message and attachments is > intended solely for the attention and use of the named addressee and may be > confidential. If you are not the intended recipient, you are reminded that > the information remains the property of the sender. You must not use, > disclose, distribute, copy, print or rely on this e-mail. If you have > received this message in error, please contact the sender immediately and > irrevocably delete this message and any copies. >
