send_abort_for_kill is a configuration parameter determining, following a backend crash, whether to send
SIGABRT to child processes in place of the usual
send_abort_for_kill was added in PostgreSQL 16.
The default value for
In normal operation, following a backend crash the postmaster sends
SIGQUIT to child processes, intended to cause them to exit reasonably gracefully, and if after 5 second the process is still running, sends
send_abort_for_kill is set to "
SIGABRT will be sent instead, which, if the local system is configured to do so, will result in core dumps being generated for all child processes terminated with
This option is intended for development purposes and should not be enabled in production.