On Thu, Dec 6, 2012 at 7:36 PM, aaron morton <aa...@thelastpickle.com> wrote: > So for memory mapped files, compaction can do a madvise SEQUENTIAL instead > of current DONTNEED flag after detecting appropriate OS versions. Will this > help? > > > AFAIK Compaction does use memory mapped file access.
The history : https://issues.apache.org/jira/browse/CASSANDRA-1470 =Rob -- =Robert Coli AIM>ALK - rc...@palominodb.com YAHOO - rcoli.palominob SKYPE - rcoli_palominodb