FFT wrote:
On Wed, May 6, 2009 at 8:20 PM, Anton van Straaten
an...@appsolutions.com wrote:
The app is written for a client under NDA, so a blog about it would have to
be annoyingly vague.
No doubt the potential for encountering space leaks goes up as one writes
less pure code, persist more
Anton van Straaten an...@appsolutions.com writes:
Exactly. I'm worried about, e.g. needing to use something as simple as
a stream of [...]
Haskell lets you easily create infinite lists, which is a powerful
and useful feature.
This has bit me on several occasions, and I think streaming over
I think that multi-threading in combination with laziness makes space
usage harder to manage. In fact, just today
I have discovered a problem with a long running server process with a
subtle space leak.
With a regular process that communicates with the outside world via IO,
I know that the act of
I think that multi-threading in combination with laziness makes space
usage harder to manage. In fact, just today
I have discovered a problem with a long running server process with a
subtle space leak.
With a regular process that communicates with the outside world via IO,
I know that the act of
I've heard it's hard to contain a long-running Haskell application in
a finite amount of memory, but this is probably not a problem if your
web site sleeps 0.001% of the time (like XMonad), or you can restart
it every once in a while without anyone noticing.
fft1976:
I've heard it's hard to contain a long-running Haskell application in
a finite amount of memory, but this is probably not a problem if your
Hmm. Gossip driven development?
web site sleeps 0.001% of the time (like XMonad), or you can restart
it every once in a while without anyone
On Wed, May 6, 2009 at 1:01 PM, Don Stewart d...@galois.com wrote:
fft1976:
I've heard it's hard to contain a long-running Haskell application in
a finite amount of memory, but this is probably not a problem if your
Hmm. Gossip driven development?
I don't mean to undermine your marketing
Jason Dagit wrote:
I don't mean to undermine your marketing efforts, but I don't think
this is gossip driven.
I know from experience that lambdabot tends to be leaky. Otherwise,
lambdabot wouldn't be running on my server to begin with. And, even
so, Cale monitors lambdabot to make sure it is
dagit:
In particular, we need expert Haskell programmers, such as Don, to
write more about how they avoid space leaks in long running apps.
Again, profiling is nice, but that's more of a tuning effort.
I talk a bit about that in my LondonHUG talk:
Jason Dagit wrote:
I know from experience that lambdabot tends to be leaky. Otherwise,
lambdabot wouldn't be running on my server to begin with. And, even
so, Cale monitors lambdabot to make sure it is not using too many
resources (and I complain when/if I notice it). I have heard similar
On Wed, May 6, 2009 at 2:28 PM, Don Stewart d...@galois.com wrote:
dagit:
In particular, we need expert Haskell programmers, such as Don, to
write more about how they avoid space leaks in long running apps.
Again, profiling is nice, but that's more of a tuning effort.
I talk a bit about
On Wed, May 6, 2009 at 4:12 PM, Jason Dagit da...@codersbase.com wrote:
While I'm thinking out loud, it would be very cool if someone wrote
some articles, say for the monad reader, that follow the formula of
the Effective C++ books.
The last couple of times I've wanted a book like that, I
On Wed, May 6, 2009 at 3:54 PM, Anton van Straaten
an...@appsolutions.com wrote:
FWIW, I have an internal HAppS application that's been running continuously
since November last year, used daily, with stable memory usage.
Do you have advice about the way you wrote you app? Things you
knowingly
Jason Dagit wrote:
On Wed, May 6, 2009 at 3:54 PM, Anton van Straaten
an...@appsolutions.com wrote:
FWIW, I have an internal HAppS application that's been running continuously
since November last year, used daily, with stable memory usage.
Do you have advice about the way you wrote you app?
On Wed, May 6, 2009 at 8:20 PM, Anton van Straaten
an...@appsolutions.com wrote:
The app is written for a client under NDA, so a blog about it would have to
be annoyingly vague.
No doubt the potential for encountering space leaks goes up as one writes
less pure code, persist more things in
FFT wrote:
Anton van Straaten wrote:
The app is written for a client under NDA, so a blog about it would have to
be annoyingly vague.
No doubt the potential for encountering space leaks goes up as one writes
less pure code, persist more things in memory, and depend on more libraries.
Hi Chris,
Thanks. This should be interesting. I currently work as a web developer
and I've been wondering how easy or hard it would be to develop web
applications with Haskell. So I'll be interested in reading our article.
On a separate topic, I also took a glance at vocabulink.com. I'm
Thanks for sharing your code and experience. Very interesting and a
good example of how to put the libraries together to build a real app.
On Mon, May 4, 2009 at 12:45 AM, Chris Forno je...@jekor.com wrote:
I decided to find out for myself. You can find the results at
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