Hi Marc,
Nothing jumps to mind as a potential cause for this 2x regression. It would
be interesting to look at a profile.
On Wed, Apr 17, 2024 at 9:32 PM Marc Davenport
wrote:
> Hello,
> I'm finally migrating Lucene from 8.11.2 to 9.10.0 as our overall build can
> now support Java 11. The quick first step of renaming packages and
> importing the new libraries has gone well. I'm even seeing a nice
> performance bump in our average query time. I am however seeing a dramatic
> increase in our indexing time. We are indexing ~3.1 million documents each
> with about 100 attributes used for facet filter, and sorting; no lexical
> text search. Our indexing time has jumped from ~1k seconds to ~2k
> seconds. I have yet to profile the individual aspects of how we convert
> our data to records vs time for the index writer to accept the documents.
> I'm curious if other users discovered this for their migrations at some
> point. Or if there are some changes to defaults that I did not see in the
> migration guide that would account for this? Looking at the logs I can see
> that as we are indexing the documents we commit every 10 minutes.
> Thank you,
> Marc
>
--
Adrien
