Glyph Lefkowitz wrote:
[…]
> Agreed. I've seen this behavior crop up shocking close to the top of profiles
> for Calendar Server as well, so I'm very glad to hear you've undertaken this
> work. The current default is almost certainly wrong; the only code which has
> practically ever used it was t
On Mar 30, 2011, at 5:14 AM, Andrew Bennetts wrote:
> John Arbash Meinel wrote:
> […]
>> I think walking the frames and copying the dicts is also expensive. That
>> is what the bug you linked to me was about. (First, walking everything
>> and using __dict__.copy() was a bit expensive, and second
John Arbash Meinel wrote:
[…]
> I think walking the frames and copying the dicts is also expensive. That
> is what the bug you linked to me was about. (First, walking everything
> and using __dict__.copy() was a bit expensive, and second that the
> safe_repr() calls were turning 1GB strings into a
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On 03/30/2011 10:39 AM, Andrew Bennetts wrote:
> John Arbash Meinel wrote:
> […]
>>> Just for the record, changing cleanFailure to not do its operation is
>>> likely to lead to big memory leaks. The second thing you did, setting
>>> self.tb to None, ma
John Arbash Meinel wrote:
[…]
> > Just for the record, changing cleanFailure to not do its operation is
> > likely to lead to big memory leaks. The second thing you did, setting
> > self.tb to None, makes more sense to speed things up.
>
> Right. I agree that it is a better solution. I was wonderi
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On 03/28/2011 05:02 PM, Christopher Armstrong wrote:
> On Mon, Mar 28, 2011 at 9:44 AM, John Arbash Meinel
> mailto:j...@arbash-meinel.com>> wrote:
>
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> I'm doing some performance testing
On Mon, Mar 28, 2011 at 9:44 AM, John Arbash Meinel
wrote:
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> I'm doing some performance testing of one of our Twisted applications.
> And what I came across was a surprising amount of time being spent in
> twisted.python.failure.Failure.__getstat
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I'm doing some performance testing of one of our Twisted applications.
And what I came across was a surprising amount of time being spent in
twisted.python.failure.Failure.__getstate__
We're doing a fair amount with exceptions. And under cProfile, I f
