K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2020-10-19T18:51:51.163711Z
K 7
svn:log
V 260
cache: promote negative entries based on more than one hit

During tinderbox and similar workloads negative entries get at least one
hit before they get evicted. In the current scheme this avoidably promotes
them.

Be conservative and stick to 2 hits for now.

END