BUG #15003: pg_terminate_backend does not work
The following bug has been logged on the website:
Bug reference: 15003
Logged by: Sigitas Vysniauskas
Email address: sigutis@gmail.com
PostgreSQL version: 9.6.5
Operating system: centos-release-7-4.1708.el7.centos.x86_64
Description:
pg_terminate_backend returns true, but it does not terminates backend.
pg_stat_activity:
application_name - "pg_cron"
client_addr - "::1"
state - "active"
query - "select sync_devices_run()"
PostgreSQL 9.6.5 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5
20150623 (Red Hat 4.8.5-11), 64-bit
On Thu, 11 Jan 2018 08:43:27 +0000
PG Bug reporting form <noreply@postgresql.org> wrote:
pg_terminate_backend returns true, but it does not terminates backend.
query - "select sync_devices_run()"
Does the function sync_devices_run() do any sort of IO other than database
queries? pg_terminate_backend() can only terminate queries that are running
postgresql code, so if the function is making a blocking system call for
example, network IO pg_terminate_backend() can't do anything.
-dg
--
David Gould daveg@sonic.net
If simplicity worked, the world would be overrun with insects.