It's not possible and it's not possible to make the change. A write to the same key in multiple CF's is written as a single log record. So it's not possible for difference CF's to use different strategies.
The closest thing is the durable_writes KS property which turns off the commit log for the KS. Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 11/06/2012, at 7:28 AM, osishkin osishkin wrote: > I require durability for inserts to my column families so I'm using > batch mode to insert data. > However, I have some column families which I use for less important > data (indexes) which are much more write intensive. > If I could change the commit log setting only for them to periodic > instead of batch, it would improve performance for me, without losing > too much guarantees. > > Is that even possible? > I'm using Cassandra 0.7 (and yes, I know it's bad, I will upgrade soon) > > Thank you
