[Reclaiming buffer][202106] Database migrator for reclaiming buffer#1897

Merged

liat-grozovik merged 7 commits intosonic-net:202106from stephenxs:reclaim-buffer-202106

Dec 20, 2021

+20,439-3,401

Commits on Sep 27, 2021

Reclaim unused buffer
stephenxs
committed
Fix dbversion
stephens
committed

Commits on Oct 9, 2021

Fix issue: the db migrator isn't executed if switch is already in 202106
stephenxs
committed

Commits on Oct 14, 2021

Fix issue: some redundant table entries were added to APPL_DB
stephenxs
committed

Commits on Oct 15, 2021

Commits on Dec 8, 2021

Enhance the logic to determine pool model (single pool/double pools)
stephenxs
committed