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Jonathan Ellis commented on CASSANDRA-3295: ------------------------------------------- (I think the point that my original numbers are on the small side is correct, though. 1GB, 8GB is probably better. > reduce default heap size > ------------------------ > > Key: CASSANDRA-3295 > URL: https://issues.apache.org/jira/browse/CASSANDRA-3295 > Project: Cassandra > Issue Type: Improvement > Affects Versions: 1.0.0 > Reporter: Jonathan Ellis > Assignee: satish babu krishnamoorthy > Priority: Minor > Fix For: 1.0.0 > > Attachments: 3295.patch > > > With off-heap caching now the default and with auto-flushed memtables > demonstrated to do a good job with smaller heaps, I think it's time to reduce > heap sizes to decrease GC pause times. > How does this sound? > - half the ram, up to 512MB, or > - 1/4 the ram, up to 4 GB > i.e.: > max(min(1/2 ram, 512MB), min(1/4 ram, 4GB)) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira