deadlock_timeout affect on performance

[pg noob <pgnube@xxxxxxxxx>]

Hi all,

I have a question about the deadlock_timeout in regards to performance.
Right now we have this timeout set at its default of 1s.
My understanding of it is that this means that every 1 second the server will check for deadlocks.

What I am wondering is how much of a performance improvement we would expect to get if this was raised to 30 seconds?
Is it negligible or could it be a substantial performance improvement on a busy system?
We very rarely have deadlocks and waiting 30 seconds to discover one doesn't seem too bad.

Thank you.