[elephant-devel] Re: Updated version of last Postmodern patch bundle

Leslie P. Polzer leslie.polzer at gmx.net
Tue Mar 18 10:04:36 UTC 2008


Dear Alex,

>  LPP> It's a performance decision...
>
> as far as i know with MVCC higher isolation level does not cause performance
> penalties unless you really have conflicts.
> at least some postgresql experts said me this.

Sounds reasonable, yes.


> changing isolation level is dead simple, but it requires dealing with
> consequences. this was pretty hard for application i'm working with, so i
> had to make extensions like retry-cleanup-fn.

Can you elaborate on that? Seems complicated...

  Leslie




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