On Tue, Mar 26, 2013 at 8:15 PM, Ryan Lane wrote:
> On Tue, Mar 26, 2013 at 3:58 PM, Asher Feldman wrote:
>
>> There are all good points, and we certainly do need better tooling for
>> individual developers.
>>
>> There are a lot of things a developer can do on just a laptop in terms of
>> profili
On Tue, Mar 26, 2013 at 3:58 PM, Asher Feldman wrote:
> There are all good points, and we certainly do need better tooling for
> individual developers.
>
> There are a lot of things a developer can do on just a laptop in terms of
> profiling code, that if done consistently, could go a long way, ev
There are all good points, and we certainly do need better tooling for
individual developers.
There are a lot of things a developer can do on just a laptop in terms of
profiling code, that if done consistently, could go a long way, even
without it looking anything like production. Things like und
Asher, I don't know the actual perf statistics just yet. With the API this
has to be a balance - I would want more "slower" calls than tons of very
fast calls - as that consumes much more bandwidth and resources (consider
getting all items one item at a time - very quick, but very inefficient).
O
On Thu, Mar 21, 2013 at 10:55 PM, Yuri Astrakhan
wrote:
> API is fairly complex to meassure and performance target. If a bot requests
> 5000 pages in one call, together with all links & categories, it might take
> a very long time (seconds if not tens of seconds). Comparing that to
> another api r
On 2013-03-22 6:46 PM, "Matthew Walker" wrote:
>
> >
> > People throw around words like graphite, but unless im mistaken us
> > non staff folks do not have access to whatever that may be.
>
> Graphite refers to the cluster performance logger available at:
> http://graphite.wikimedia.org/
>
> Anyon
>
> People throw around words like graphite, but unless im mistaken us
> non staff folks do not have access to whatever that may be.
Graphite refers to the cluster performance logger available at:
http://graphite.wikimedia.org/
Anyone with a labs account can view it -- which as a commiter you do
> been a way to reliably measure performance...
>
The measure part is important. As it stands I have no way of measuring code
in action (sure i can set up profiling locally, and actually have but its
not the same [otoh i barely ever look at the local profiling i did set
up...). People throw around
On Thu, Mar 21, 2013 at 6:40 PM, Asher Feldman wrote:
> Right now, varying amounts of effort are made to highlight potential
> performance bottlenecks in code review, and engineers are encouraged to
> profile and optimize their own code. But beyond "is the site still up for
> everyone / are users
Asher Feldman wrote:
>I'd like to push for a codified set of minimum performance standards that
>new mediawiki features must meet before they can be deployed to larger
>wikimedia sites such as English Wikipedia, or be considered complete.
>
>These would look like (numbers pulled out of a hat, not a
Right now, I think many of us profile locally or in VMs, which can be
useful for relative metrics or quickly identifying bottlenecks, but doesn't
really get us the kind of information you're talking about from any sort of
real-world setting, or in any way that would be consistent from engineer to
e
API is fairly complex to meassure and performance target. If a bot requests
5000 pages in one call, together with all links & categories, it might take
a very long time (seconds if not tens of seconds). Comparing that to
another api request that gets an HTML section of a page, which takes a
fractio
From where would you propose measuring these data points? Obviously
network latency will have a great impact on some of the metrics and a
consistent location would help to define the pass/fail of each test. I do
think another benchmark Ops "features" would be a set of
latency-to-datacenter values,
Asher,
Do we know what our numbers are now? That's probably a pretty good baseline
to start with as a discussion.
p99 banner request latency of 80ms
Fundraising banners? From start of page load; or is this specifically how
fast our API requests run?
On the topic of APIs; we should set similar p
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