The number-of-segments noise probably swamps this... but one optimization around deep-facet-paging that didn't get carried forward is https://issues.apache.org/jira/browse/SOLR-2092
-Yonik On Tue, Sep 5, 2017 at 6:49 AM, Toke Eskildsen <t...@kb.dk> wrote: > On Mon, 2017-09-04 at 11:03 -0400, Yonik Seeley wrote: >> It's due to this (see comments in UnInvertedField): > > I have read that. What I don't understand is the difference between 4.x > and 6.x. But as you say, Ere seems to be in the process of verifying > whether this is simply due to more segments in 6.x. > >> There's probably a number of ways we can speed this up somewhat: >> - optimize how much memory is used to store the term index and use >> the savings to store more than every 128th term >> - store the terms contiguously in block(s) > > I'm considering taking a shot at that. A fairly easy optimization would > be to replace the BytesRef[] indexedTermsArray with a BytesRefArray. > > - Toke Eskildsen, Royal Danish Library >
