Klaus Post 82e2be4239
metacache: Speed up cleanup operation (#11078)
Perform cleanup operations on copied data. Avoids read locking
data while determining which caches to keep.

Also, reduce the log(N*N) operation to log(N*M) where M caches 
with the same root or below when checking potential replacements.
2020-12-10 12:30:28 -08:00
..
2020-06-12 20:04:01 -07:00
2020-01-31 08:29:22 +05:30