David Turner 8516fb0f3b Expand docs on force-merge and global ordinals (#44684)
Some small clarifications about force-merging and global ordinals, particularly
that global ordinals are cheap on a single-segment index and how this relates
to frozen indices.

Fixes #41687
2019-07-23 07:33:33 +01:00
..
2019-07-01 10:30:02 -04:00