On 07/14/2011 09:30 AM, Eli Barzilay wrote:
10 minutes ago, Ryan Culpepper wrote:
On 07/14/2011 08:31 AM, Dominic Pearson wrote:
Hello folks!
I have been writing an application in Racket using Continue, and have
been stress testing it in the early development phase using `siege', to
see if it is suitable for future heavy lifting.
Under high load I get some very odd messages. Requests sometimes fail
with
force: reentrant promise fun-p
Those look like they're from ryanc/db. I suspect you see them at the
very beginning, before the "lazy requires" (which are implemented
with promises) have been forced.
I'll replace the promises with something that avoids the reentrant
check, since it's unnecessary for my purposes.
Note: (a) there's `delay/sync', which still produces a promise.
(b) the reentrance check is, surprisingly, not an extra cost -- it
makes efficient composable promises possible.
Yes, from the docs it looks like delay/sync is probably what I want.
Ryan
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