Mike can correct me if wrong, but I think the background task in 1.3 is only responsible for removing old deltas, and doesn't do anything to try to trigger compactions on rowsets with a high percentage of deleted _rows_.
That's a separate bit of work that hasn't been started yet. -Todd On Sat, Apr 22, 2017 at 7:36 PM, Jason Heo <[email protected]> wrote: > Hi David. > > Thank you for your reply. > > I'll try to upgrade to 1.3 this week. > > Regards, > > Jason > > 2017-04-23 2:06 GMT+09:00 <[email protected]>: > >> Hi Jason >> >> In Kudu 1.2 if there are compactions happening, they will reclaim >> space. Unfortunately the conditions for this to happen don't always >> occur (if the portion of the keyspace where the deletions occurred >> stopped receiving writes and was already fully compacted cleanup is >> more unlikely) >> In Kudu 1.3 we added a background task to clean up old data even in >> the absence of compactions. Could you upgrade? >> >> Best >> David >> > > -- Todd Lipcon Software Engineer, Cloudera
