Opened 7 years ago

Last modified 5 years ago

#19948 new Cleanup/optimization

Improve connection reset under PostgreSQL

Reported by: Aymeric Augustin Owned by: nobody
Component: Database layer (models, ORM) Version: master
Severity: Normal Keywords:
Cc: Triage Stage: Accepted
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by Aymeric Augustin)

On django-developers, Christophe Pettus says:

It would be helpful to have a backend method that performers the "restore connection between uses" function, rather than just use connection.abort() (of course, the default implementation can use that). For example, on PostgreSQL, ABORT; DISCARD ALL is the recommended way of resetting a connection, so being able to implement that would be great.

This was independently suggested by Anssi, and it looks like a good idea to implement.

Change History (4)

comment:1 Changed 7 years ago by Aymeric Augustin

Description: modified (diff)

comment:2 Changed 7 years ago by Carl Meyer

I think "ABORT; DISCARD ALL" may also need to be followed up with self.init_connection_state(), because it would otherwise discard the session state that Django sets up for each connection.

Last edited 7 years ago by Carl Meyer (previous) (diff)

comment:3 Changed 7 years ago by Aymeric Augustin

Yes, it should.

comment:4 Changed 5 years ago by Asif Saifuddin Auvi

any update on this?

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