4 ms·
In postgres (and probably in others aswell), MVCC implemented in Btree storage level. there is an overhead to write tempdb.
by serguzest 10y ago
In postgres (and probably in others aswell), MVCC implemented in Btree storage level. there is an overhead to write tempdb.
- anarazel 10y agoBtrees in postgres have no visibility information, MVCC is implemented on the heap level.