Re: WIP Patch: Pgbench Serialization and deadlock errors

Kevin Grittner wrote:
> On Thu, Jun 15, 2017 at 2:16 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> > On 2017-06-14 11:48:25 +0300, Marina Polyakova wrote:

> >> P.S. Does this use case (do not retry transaction with serialization or
> >> deadlock failure) is most interesting or failed transactions should be
> >> retried (and how much times if there seems to be no hope of success...)?
> >
> > I can't quite parse that sentence, could you restate?
>
> The way I read it was that the most interesting solution would retry
> a transaction from the beginning on a serialization failure or
> deadlock failure.

As far as I understand her proposal, it is exactly the opposite -- if a
transaction fails, it is discarded. And this P.S. note is asking
whether this is a good idea, or would we prefer that failing
transactions are retried.

I think it's pretty obvious that transactions that failed with
some serializability problem should be retried.

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Álvaro Herrera https://www.2ndQuadrant.com/
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