On 2020-10-27 17:46:59 +0100, Eudald Valcàrcel Lacasa wrote:
> I've run the automated script several times, and the duration of the
> query is widely variable.
>
[0.005 s vs. 1500 s for the same plan]
> As you can see, they don't seem to differ between each other, but the
> duration is abismaly different.
> I have the database logging everything, what should I look for so that
> it can help me understand this strange behavior?
You might want to turn auto_explain.log_analyze and
auto_explain.log_buffers on. You probably should do this only on a test
system, not the production system as the manual states that
auto_explain.log_analyze "can have an extremely negative impact on
performance".
hp
--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp@hjp.at | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"
