multiFileHashMap_1
Revert "multiFileHashMap_1"

This reverts commit 407239644db6435c6a6e7d767813b653caa681c0.
multiFileHashMap 1
fix 1
fix 2
fix3
fix4
fix5
fix 6
fix 7
fix 8
fix 9
fix 10
fix 11
fix 12
Merge remote-tracking branch 'upstream/master'
fix 13
fix 14
fix 15
fix +inf