Re: pg_ctl failover Re: Latches, signals, and waiting

> If the "pg_ctl promote" patch will have been committed, I recommend that
> the C function should send the signal to the startup process rather than
> creating the trigger file. Because the trigger file is checked every for 5s,
> which would lengthen the failover time by an average 2.5s.

Ok, probably I could make the function smart enough to signal or not
by looking at the PostgreSQL version.

BTW is it possible to export following variable in xlog.c?

static char *TriggerFile = NULL;

That would make coding of the C function lot easier.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
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