My interpretation is: - you upgraded to 1.3.x on April 3 (interesting, but not important)
- your data arrival rate since then has not been sufficient to cause any compactions at level-5 in almost a year - only you can decide whether or not the age of the files implies that the data is no longer retrieved for use Matthew On Sep 25, 2013, at 3:52 PM, Timo Gatsonides <[email protected]> wrote: > >> Date: Wed, 25 Sep 2013 09:15:33 -0400 >> From: Matthew Von-Maszewski <[email protected]> >> ... >> >> You can continue to wait for the compactions to purge old data. If you are >> running Riak 1.3 or more recent, you can look at the creation date of files >> in each vnode's sst_5 subdirectory. Those dates will give you a feel for >> how often your highest numbered levels receive compactions. > > Thanks again Matthew. Just FYI: I don't think a lot of compactions are > happening at level 5. See this for one vnode: > > $ ls -l 0/sst_5 | cut -c 32-35,39-43 | uniq > > Feb 2012 > Mar 2012 > Apr 2012 > May 2012 > Jun 2012 > Jul 2012 > Aug 2012 > Sep 2012 > Oct 2012 > > And there is not a single file in a sst_5 subdir with a 2013 date ($ ls -l > */sst_5 | grep " 2013 "). As a side note: the sst_5 subdirectories themselves > have a Apr 3 2013 date. > > Regards, > Timo > > > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com _______________________________________________ riak-users mailing list [email protected] http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
