Re: Manual Compaction in Production

2010-11-08 Thread Jonathan Ellis
On Mon, Nov 8, 2010 at 8:23 PM, Edward Capriolo wrote: > I am using a build with support for removing tombstones during minor > compacts. I am pretty happy to see SSTables shrink during non-major > compactions. If I understand correctly bloomfilters have false > positives, so a key may appear to b

Re: Manual Compaction in Production

2010-11-08 Thread Edward Capriolo
t; demonstrated for your workload.  (If you happen to have weekly slow > periods into which major compaction fits conveniently, then great, it > won't hurt things, but otherwise, leave it off.) > > On Mon, Nov 8, 2010 at 4:07 PM, Wayne wrote: >> Can anyone speak to best prac

Re: Manual Compaction in Production

2010-11-08 Thread Jonathan Ellis
which major compaction fits conveniently, then great, it won't hurt things, but otherwise, leave it off.) On Mon, Nov 8, 2010 at 4:07 PM, Wayne wrote: > Can anyone speak to best practices for running manual compaction in > production? Our assumption is that without it the sstables will

Re: Manual Compaction in Production

2010-11-08 Thread Edward Capriolo
On Mon, Nov 8, 2010 at 5:07 PM, Wayne wrote: > Can anyone speak to best practices for running manual compaction in > production? Our assumption is that without it the sstables will become too > fragmented...is this an accepted "fact"? Obviously it depends on the volume &g

Manual Compaction in Production

2010-11-08 Thread Wayne
Can anyone speak to best practices for running manual compaction in production? Our assumption is that without it the sstables will become too fragmented...is this an accepted "fact"? Obviously it depends on the volume of writes, but I am looking for current production practices. Since