Kevin Brown <kevin(at)sysexperts(dot)com> writes:
> When a heavy INSERT or UPDATE load on a table is occurring (lots of
> quick INSERTs or UPDATEs within a single transaction), a VACUUM
> ANALYZE (or just straight VACUUM) has a really good chance (10% or so)
> of causing either the INSERT/UPDATE or the VACUUM to fail with a
> "deadlock detected" error.
I was unable to replicate this in CVS tip, using "pgbench -c 10 -t 1000"
as the load generator.
regards, tom lane