On Tue, Mar 22, 2011 at 3:44 PM, ruslan usifov <[email protected]>wrote:
> > > 2011/3/22 Adi <[email protected]> > >> I have been going through the mailing list and compiling suggestions to >> address the swapping due to mmap issue. >> >> 1) Use JNA (done but) >> Are these steps also required: >> - Start Cassandra with CAP_IPC_LOCK (or as "root"). (not done) >> > > And what is CAP_IPC_LOCK? I saw that suggestion in https://issues.apache.org/jira/browse/CASSANDRA-1214. I do not yet know how to run cassandra or a java process with that privilege, still researching and hoping my sysadmin knows better. http://www.lids.org/lids-howto/node50.html - Allow locking of shared memory segments - Allow mlock and mlockall (which doesn't really have anything to do with IPC)
