In this video I talk about buffer manager hash table. This hash table is divided into partitions, number of these partitions is hardcoded. In the video I produce patch that makes this number configurable.
Resulting patchset can be found here https://github.com/x4m/postgres_g/com...
related commit
https://github.com/postgres/postgres/...
pgsql-hackers discussion
https://www.postgresql.org/message-id...
serverfault discussion
https://dba.stackexchange.com/questio...