Re: Allow "snapshot too old" error, to prevent bloat

On Sun, Mar 15, 2015 at 8:04 PM, Rui DeSousa <rui@crazybean.net> wrote:
> Would a parameter to auto terminate long running transactions be a better solution? Terminating the long running
transactionwould allow for the normal vacuuming process to cleanup the deleted records thus avoiding database bloat
withoutintroducing new semantics to Postgres's MVCC. I would also recommend that the default be disabled. 

An advantage of Kevin's approach is that you don't have to abort *all*
long-running transactions, only those that touch data which has been
modified since then.  If your system is read-mostly, that could
dramatically reduce the number of aborts.

--
Robert Haas
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