| From: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Discarding DISCARD ALL |
| Date: | 2021-01-20 07:48:15 |
| Message-ID: | 6d9c5bbd-4eb5-f27b-0487-e3ceaf05e214@enterprisedb.com |
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| Lists: | pgsql-hackers |
On 2020-12-23 15:33, Simon Riggs wrote:
> Poolers such as pgbouncer would then be able to connect transaction
> mode pools by setting transaction_cleanup=on at time of connection,
> avoiding any need to issue a server_reset_query, removing the DISCARD
> ALL command from the normal execution path, while still achieving the
> same thing.
PgBouncer does not send DISCARD ALL in transaction mode. There is a
separate setting to do that, but it's not the default, and it's more of
a workaround for bad client code. So I don't know if this feature would
be of much use for PgBouncer. Other connection poolers might have other
opinions.
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