@Rob Coli Does the "sstablesplit" function exists somewhere ?
2012/11/10 Jim Cistaro <jcist...@netflix.com> > For some of our clusters, we have taken the periodic major compaction > route. > > There are a few things to consider: > 1) Once you start major compacting, depending on data size, you may be > committed to doing it periodically because you create one big file that > will take forever to naturally compact agaist 3 like sized files. > 2) If you rely heavily on file cache (rather than large row caches), each > major compaction effectively invalidates the entire file cache beause > everything is written to one new large file. > > -- > Jim Cistaro > > On 11/9/12 11:27 AM, "Rob Coli" <rc...@palominodb.com> wrote: > > >On Thu, Nov 8, 2012 at 10:12 AM, B. Todd Burruss <bto...@gmail.com> > wrote: > >> 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? > > > >You could also... > > > >1) run a major compaction > >2) code up sstablesplit > >3) profit! > > > >This method incurs a management penalty if not automated, but is > >otherwise the most efficient way to deal with tombstones and obsolete > >data.. :D > > > >=Rob > > > >-- > >=Robert Coli > >AIM>ALK - rc...@palominodb.com > >YAHOO - rcoli.palominob > >SKYPE - rcoli_palominodb > > > >
