On 30 March 2016 at 12:25, Markus Jelsma <markus.jel...@openindex.io> wrote: > Hello - with TieredMergePolicy and default reclaimDeletesWeight of 2.0, and > frequent updates, it is not uncommon to see a ratio of 25%. If you want > deletes to be reclaimed more often, e.g. weight of 4.0, you will see very > frequent merging of large segments, killing performance if you are on > spinning disks.
Most of our installations are on spinning disks, so if I want a more aggressive reclaim, this will impact performance. This is of course something that I do not desire, so I'm wondering if scheduling a commit with 'expungeDeletes' during off peak business hours is a better approach than setting up a more aggressive merge policy. -- Yours sincerely Jostein Elvaker Haande "A free society is a society where it is safe to be unpopular" - Adlai Stevenson http://tolecnal.net -- tolecnal at tolecnal dot net
