Обсуждение: Lock file conflict with multiple postmasters

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Lock file conflict with multiple postmasters

От
Nicola Mauri
Дата:

Hi,
We have two postmasters on the same host. They are configured to listen on port 5432 of two distinct IP addresses as follows:

/var/lib/pgsql1/data/postgresql.conf:
  listen_addresses = '10.0.0.1'
  port = 5432
/var/lib/pgsql2/data/postgresql.conf
  listen_addresses = '10.0.0.2'
  port = 5432

However, if we start the second instance while the first one is running, we get the following error:
   FATAL:  could not open lock file "/tmp/.s.PGSQL.5432.lock": Permission denied

So, lock filename cares only about port number and nothing else.
In order to avoid this conflict, how can we configure the name of lockfiles or directory where they are placed?


Thanks in advance!
Nicola





Re: Lock file conflict with multiple postmasters

От
Tom Lane
Дата:
Nicola Mauri <Nicola.Mauri@saga.it> writes:
> In order to avoid this conflict, how can we configure the name of
> lockfiles or directory where they are placed?

unix_socket_directory

            regards, tom lane