What exacting are you merge policy settings in solrconfig? They control when the background merges will be performed. Sometimes they do need to be tweaked.
-- Jack Krupansky On Mon, Jan 25, 2016 at 1:50 PM, James Mason <jamespma...@hotmail.com> wrote: > Hi, > > I’ve have a large index that has been added to over several years, and > I’ve discovered that I have many segments that haven’t been updated for > well over a year, even though I’m adding, updating and deleting records > daily. My five largest segments all haven’t been updated for over a year. > > Meanwhile, the number of segments I have keeps on increasing, and I have > hundreds of segment files that don’t seem to be getting merged past a > certain size (e.g. the largest is 2Gb but my older segments are over 100Gb). > > My understanding was that background merges should be merging these older > segments with newer data over time, but this doesn’t seem to be the case. > > I’m using Solr 4.9, but I was using an older version at the time that > these ‘older’ segments were created. > > Any help on suggestions of what’s happening would be very much > appreciated. And also any suggestion on how I can monitor what’s happening > with the background merges. > > Thanks, > > James