On Thu, May 23, 2013 at 9:31 PM, Mathieu Guerin

> What are the consequences ? Because this file will be remove if the server
> reboot.
Those temporary statistics are stored in global directory when server shuts
down, so the risk here would be to lose a portion of this data in the case
of a crash, either at PG or at OS level.

> If we change the parameter stats_temp_directory is it necessary to reboot
> the server ?
No, sending SIGHUP to the server is enough.

> When I lauch a SHOW ALL; command, the parameter stats_temp_director is
> not here.
You should get it...
stats_temp_directory            |
pg_stat_tmp                                       | Writes temporary
statistics files to the specified directory.

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