On Mon, Nov 10, 2014 at 9:03 PM, Andreas Marschke
<[email protected]> wrote:
> Hi,
>
> first off: Don't get me wrong I like the fact, that there are companys out
> ther supporting nodejs with
> extra services and "consulting". I would however prefer to be the master
> over my data and learn from it
> myself without a frontend that takes away most of the insights they
> (probably) learned the hard way.
>
> So, my question is this: What do you currently prefer to monitor your
> applications and profile their performance?
>
> As far as I've seen there is only a limited amount of still viable
> solutions. I'm about to checkout tracegl. But I feel
> that it would be lacking any helpfull understanding as seeing that the
> project itself - in full Mozilla Fashion (see
> i18n-abide for another example) - is barely documented and seems to support
> a limited amount of platforms
> currently(Mostly those that support WebGL and have it enabled, which is not
> the case for me most of the time).
>
> Other Solutions (ie. node-profiler ) have been gutted to an extend as their
> upstream dependency (v8) has
> removed most of the functionality they so heavily depend on.
>
> Another pain point as I see it in profiling my nodecode is, that I don't run
> on illu(o)mos which also makes
> 30% - 40% of the documentation in the Joyent ("patron" of nodejs) best
> practices for debugging/optimizing
> profiling worthless to me.
>
> Is there something I'm missing at this point? I would LOVE to understand
> where my code may go wrong or
> where it is excessively brittle performance-wise, but at this stage it is
> very hard for me to see much in the
> way of a proper toolchain here.
>
> Have there been any noteworthy projects around Node performance that I have
> simply been missing?
> Is it worth reading the Node C/C++ code to get a full grasp of how it works?
> Is it simply an issue of p
> promotion in the sense that not all parts of the community have embraced it?
>
> I am happy for any and every suggestions you may write underneath this. Feel
> free also to lambast me on my
> maybe ignorant views towards services like nodetime and StrongLoop.
>
> Thanks in advance,
>
> Andreas Marschke,
Full disclosure: I'm the author of node-profiler and node-heapdump and
a StrongLoop founder.
Thorsten Lorenz maintains a curated list of profiling and debugging
tools, see [0]. Be warned that the free software landscape is still
pretty scattered and that won't change anytime soon. Writing good,
integrated performance/debugging tools takes time and is not very
rewarding in itself; most of the existing tools scratch a particular
itch and stop there.
If I can circle back to a comment you made at the start of your post -
being the master of your own data; the StrongLoop agent is moving to a
model where it simply collects the raw or aggregated metrics and
leaves it up to you to process or store it. We provide integration
for popular services like statsd[1], Splunk[2], Datadog[3], etc. Here
is an example of our statsd integration[4]:
var agent = require('strong-agent');
var statsd = require('strong-agent-statsd')();
agent.use(statsd); // that's all, metrics are now reported to statsd
You can find more details in the README[5]; scroll down to the section
on the metrics API. Questions or suggestions welcome.
[0] https://github.com/thlorenz/v8-perf
[1] https://github.com/etsy/statsd
[2] http://www.splunk.com/
[3] https://www.datadoghq.com/
[4] https://github.com/strongloop/strong-agent-statsd
[5] https://github.com/strongloop/strong-agent/blob/master/README.md
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