On Mon, Dec 9, 2024 at 13:16 Eric Schwarzenbach <subscri...@blackbrook.org> wrote:
> Hi, > > Could one transaction (one that should be relatively simple and short) > cause another complex, long running transaction (involving INSERTS, on a > table the first transaction may be reading from) to take many orders of > magnitude longer than it would normally? (short of competing for system > resources, like CPU time etc, of course) > > I don't believe my scenario involved a deadlock but I expect my short > transaction was probably blocked by my long one. Does it make any sense > that this could very significantly affect the performance of the > non-blocked transaction? > > Thanks, > > Eric Have you tried wait event analysis (looking at wait_event_type, wait_event, state, query samples from pg_stat_activity)? >
