Bram: If you optimize (Solr 7.4 and earlier), that may be part of the “stuff” as an index with a single segment can accumulate far more deleted documents. Shot in the dark. See:
https://lucidworks.com/post/segment-merging-deleted-documents-optimize-may-bad/ Plus the linked article to how Solr 7.5 is different Best, Erick > On Aug 27, 2019, at 3:23 AM, Bram Van Dam <[email protected]> wrote: > > On 26/08/2019 23:12, Shawn Heisey wrote: >> The numbers shown in Solr's LukeRequestHandler come directly from >> Lucene. This is the URL endpoint it will normally be at, for core XXX: >> >> http://host:port/solr/XXX/admin/luke > > Thanks Shawn, that's a great entry point! > >> The specific error you encountered is why old hands will recommended >> staying below a billion documents in a core. That leaves room for >> deleted documents as well. > > Indeed, that's what we usually try. But every once in a while Stuff > Happens(TM), and so it'd be nice if we could monitor the actual count. > > - Bram
