Oh, and none of that includes people adding more and more documents to the existing replicas….
> On May 18, 2019, at 10:22 AM, Shawn Heisey <apa...@elyograg.org> wrote: > > On 5/18/2019 9:36 AM, tom_s wrote: >> im aware that the best practice is to have disk space on your solr servers >> to be 2 times the size of the index. but my goal to minimize this overhead >> and have my index occupy more than 50% of disk space. in our index documents >> have TTL, so documents are deleted every day and it causes background merge >> of segments. can i change the merge policy and make the overhead of >> background merging lower? >> will limiting the number of concurrent merges help(with the maxMergeCount >> parameter)? do you know other methods that will help? > > Actually the recommendation is to have enough space for the index to triple, > not just double. This can happen in the wild. > > There are no merge settings that can prevent situations where the index > doubles in size temporarily due to merging. Chances are that it's going to > happen eventually to any index. > > Thanks, > Shawn