Re: SIGHUP during recovery - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: SIGHUP during recovery
Date
Msg-id 49AE88FD.4010907@enterprisedb.com
Whole thread Raw
In response to SIGHUP during recovery  (Fujii Masao <masao.fujii@gmail.com>)
Responses Re: SIGHUP during recovery  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
Fujii Masao wrote:
> Currently, the startup process ignores SIGHUP.
> 
> The attached patch allows the startup process to re-read config file:
> when SIGHUP arrives, the startup process also receives the signal
> from postmaster and reload the settings in main redo apply loop.
> Obviously, this is useful to change the parameters which the startup
> process may use (e.g. log_line_prefix, log_checkpoints).

Thanks, committed.

The fact that bgwriter can run simultaneously with the startup process 
makes this more important than before. Otherwise if you change something 
like log_line_prefix, bgwriter will use the new setting but startup 
process will not.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com


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