After deleting a large amount of content, I have large forests (100+GB) on
disk with large amounts deleted fragments (60+ GB).  I didn't notice any
merging going on and I expected this to clear itself up eventually.

After waiting for quite awhile (many days), it didn't do anything by
itself.

The merge policy for the database is:

   merge priority = lower, max size = 0, min size = 1024, min ration = 2,
timestamp = 0

The database has three forests that are roughly balanced.  As such, there
is 180GB of deleted fragments.

I've gone in a manually requested the forests to merge, doing them one at a
time.

Is there a reason why the merge didn't happen all by itself?

-- 
--Alex Milowski
"The excellence of grammar as a guide is proportional to the paucity of the
inflexions, i.e. to the degree of analysis effected by the language
considered."

Bertrand Russell in a footnote of Principles of Mathematics
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