Hello. Agreed. By default it's BEST_SPEED which is LZ4. So, it can't be faster or less compressive. Binary DocValues Field should be an answer.
On Fri, Jan 26, 2024 at 9:41 PM Shawn Heisey <elyog...@elyograg.org.invalid> wrote: > On 1/26/24 03:38, Srijan wrote: > > Since upgrading to Solr 9.x, I've observed a drastic decrease in > > performance – approximately 10 to 20 times slower than before. And this > > stems from the fact that stored fields in Solr 9.x are now compressed. > > Decompressing these fields during each search query has introduced a > > substantial performance overhead. > > Stored fields have been compressed since Solr 4.1.0. Unless you > upgraded from a VERY old version, stored field compression is unlikely > to be the source of your performance issue. > > You can have the source of the data uncompressed if you set stored to > false, docValues to true, and useDocValuesAsStored to true. Not all > fieldtype classes support docValues, though -- in particular TextField > does not. > > Thanks, > Shawn > > -- Sincerely yours Mikhail Khludnev