http://www.slony.info/bugzilla/show_bug.cgi?id=289

--- Comment #5 from Tomasz Karlik <tkarlik at gmail.com> 2014-02-04 23:48:09 PST ---
(In reply to comment #4)
> I am still hunting this one.
> 
> Running a multi-client pgbench for hours and using txid snapshot in-out
> functions all the time alongside, I was not yet able to create a single
> occurrence of this problem. Does your application by any chance use
> subtransactions, like "exceptions" in PL/pgSQL?

Yes, we use "exceptions" in pl/pgslq. I'll try to check, if this could be the
source of problem.

We also use prepared transactions managed by application server. Maybe
two-phase commits affects slony operation?

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