On Thu, Aug 11, 2011 at 6:14 AM, Edward Capriolo <edlinuxg...@gmail.com>wrote: > > In many regards Cassandra automatically does the correct thing. Other then > the costs of the bloom filters for the table size being in ram, if you never > read or write to those sstables and you are not reusing the row key, the OS > will page out those tables and they will not take any cache space. >
Forgive me if I'm being dense, but the wiki says that an instance shouldn't be swapping at all[1]. I presently have swappiness turned down to 0. Are you saying that there may be benefits to allowing some swap usage? [1] http://wiki.apache.org/cassandra/MemtableThresholds?highlight=%28swap%29#Virtual_Memory_and_Swap
