On 2013-06-08 13:26:56 -0700, Joshua D. Drake wrote:
> >At the points where the XLogInsert()s happens we're in critical sections
> >out of which we *cannot* ERROR out because we already may have made
> >modifications that cannot be allowed to be performed
> >partially/unlogged. That's why we're throwing a PANIC which will force a
> >cluster wide restart including *NOT* writing any further buffers from
> >s_b out.
> >
> 
> Does this preclude (sorry I don't know this part of the code very well) my
> suggestion of on log create?

Well, yes. We create log segments some layers below XLogInsert() if
necesary, and as I said above, we're in a critical section at that
point, so just rolling back isn't one of the options.

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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