"kill performance" is relative. Leveled Compaction basically costs 2x disk IO. Look at iostat, etc and see if you have the headroom.
we are running Datastax enterprise and cannot patch it. how bad is
"kill performance"? if it is so bad, why is it an option?
On Thu, Nov 8, 2012 at 10:17 AM, Radim Kolar <firstname.lastname@example.org> wrote:
> Dne 8.11.2012 19:12, B. Todd Burruss napsal(a):
>> my question is would leveled compaction help to get rid of the tombstoned
>> data faster than size tiered, and therefore reduce the disk space usage?
> leveled compaction will kill your performance. get patch from jira for
> maximum sstable size per CF and force cassandra to make smaller tables, they
> expire faster.