Not really What version are you on? Do you have pending compactions and no ongoing compactions?
/Marcus On Wed, Sep 24, 2014 at 11:35 PM, Donald Smith < donald.sm...@audiencescience.com> wrote: > On one of our nodes we have lots of pending compactions (499). In the > past we’ve seen pending compactions go up to 2400 and all the way back down > again. > > > > Investigating, I saw warnings such as the following in the logs about > overlapping SStables and about needing to run “nodetool scrub” on a table. > Would the overlapping SStables explain the pending compactions? > > > > WARN [RMI TCP Connection(2)-10.5.50.30] 2014-09-24 09:14:11,207 > LeveledManifest.java (line 154) At level 1, > SSTableReader(path='/data/data/XYZ/ABC/XYZ-ABC-jb-388233-Data.db') > [DecoratedKey(-6112875836465333229, > 3366636664393031646263356234663832383264616561666430383739383738), > DecoratedKey(-4509284829153070912, > 3366336562386339376664376633353635333432636662373739626465393636)] > overlaps > SSTableReader(path='/data/data/XYZ/ABC/XYZ-ABC_blob-jb-388150-Data.db') > [DecoratedKey(-4834684725563291584, > 3366336233366664363664363632666365303664333936336337343566373838), > DecoratedKey(-4136919579566299218, > 3366613535646662343235336335633862666530316164323232643765323934)]. This > could be caused by a bug in Cassandra 1.1.0 .. 1.1.3 or due to the fact > that you have dropped sstables from another node into the data directory. > Sending back to L0. If you didn't drop in sstables, and have not yet run > scrub, you should do so since you may also have rows out-of-order within an > sstable > > > > Thanks > > > > *Donald A. Smith* | Senior Software Engineer > P: 425.201.3900 x 3866 > C: (206) 819-5965 > F: (646) 443-2333 > dona...@audiencescience.com > > > [image: AudienceScience] > > >