[erlang-questions] Mnesia transactions and error handling good practices

[Hynek Vychodil]

On Wed, Jun 11, 2008 at 4:38 PM, Daniel Luna <luna@REDACTED> wrote:

> On Wed, 11 Jun 2008, Andreas Hillqvist wrote:
> > By the way, what is the cost of nested transaction in mnesia?
> > Would it be "better practice" to keep this archive and set operation
> > within only on transaction?
>
> The cost of a nested transaction is proportional to the size of both of
> the transactions.
>
> We rewrote some code at Kreditor into using nested transactions (which is
> more readable), but had to throw it away.  A test which usually takes
> about 20-30 minutes on a desktop machine wasn't finished after 10 hours
> (when the test was aborted).
>
> /Luna
> --
> Daniel Luna                           | Top reasons that I have a beard:
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Just check, It means that if outer transaction is loose coupled to inner
(not make intensive data load from inner to outer), there is no problem with
transaction?

-- 
--Hynek (Pichi) Vychodil
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