On 1/6/17 8:49 AM, Feike Steenbergen wrote:

On Fri, Jan 6, 2017 at 2:30 PM, David Steele <da...@pgmasters.net
<mailto:da...@pgmasters.net>> wrote:
For my part I still prefer an actual command to be executed so it will
start/restart the archiver if it is not already running or died.  This
reduces the number of processes that I need to ensure are running.

If the consensus is that a signal is better then I'll make that work.
I will say this raises the bar on what is required to write a good
archive command and we already know it is quite a difficult task.

On 6 January 2017 at 14:37, Magnus Hagander <mag...@hagander.net
<mailto:mag...@hagander.net>> wrote:
I like the idea of a command as well, for flexibility. If you want a
signal, you can write a trivial command that sends the signal... Maximum
flexibility, as long as we don't create a lot of caveats for users.

Agreed, I think it is also easier to understand the mechanism (instead
of a signal), and would allow for some reuse of already existing scripts.

If we do use a full command (vs a signal), I propose we do also offer
the %p and %f placeholders for the command.

Agreed. It shouldn't be that hard and could be very useful. If nothing else it will eliminate the need to configure path to the pg_receivexlog queue in the archiver.


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