[Optimize][Delete] Simplify the delete process to make it fast#3191

Merged

morningman merged 17 commits intoapache:masterfrom

xy720:new_branch

Apr 16, 2020

Commits on Apr 15, 2020

commit 1: deleteV2
xy720
committed
commit 2: delete handler
xy720
committed
commit 3: delete handler
xy720
committed
commit 3: delete handler
xy720
committed
commit 4
xy720
committed
commit 5
xy720
committed
commit 6
xy720
committed
commit 7
xy720
committed
commit 8
xy720
committed
commit 9
xy720
committed
commit 10
xy720
committed
commit 11
xy720
committed
commit 12
xy720
committed
commit 13
xy720
committed
commit 14
xy720
committed
commit 15
xy720
committed
commit 16
xy720
committed