jpountz opened a new pull request, #14189:
URL: https://github.com/apache/lucene/pull/14189

   This bumps the floor segment size from 2MB (`TieredMergePolicy`) / 1.6MB 
(`LogByteSizeMergePolicy`) to 16MB in Lucene 11.
   
   My motivation is that such small segment sizes don't make index structures 
actually helpful vs. linear scans, so we should avoid them. Furthermore, there 
has been progress on merging rules for segments below the floor size, in 
particular merge policies no longer perform quadratic merging (#900) so this 
change will not make indexing/merging absurdly slow if an application flushes 
tiny segments.


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