[dancer-users] Memory use of Dancer2 running under Starman

Andrew Solomon andrew at geekuni.com
Fri Mar 20 17:01:58 GMT 2015


I'd just like you to expand on this Sawyer:

> and the one after (0.159003) will introduce two additional memory leaks.

Do you mean "will introduce FIXES OF two additional memory leaks"?

Andrew

On Fri, Mar 20, 2015 at 4:57 PM, Sawyer X <xsawyerx at gmail.com> wrote:

> We haven't done benchmarks for that (reducing that is in the plans!) but I
> can tell you the latest version of Dancer2 (0.159002) fixed a memory leak,
> and the one after (0.159003) will introduce two additional memory leaks.
>
> The first (fixed in 0.159002) we found at $work somehow. It was a very
> rare situation which is why we haven't encountered it yet. The other two
> fixes (slated for the next release) include fixes that we were able to test
> for (and we have the tests for them in the distribution as well) but we (at
> least $work) were not able to actually produce in our production or testing
> environment.
>
> Just wanna mention that, since it's in the topic, somewhat. :)
>
>
> On Thu, Mar 19, 2015 at 10:41 AM, Andrew Beverley <andy at andybev.com>
> wrote:
>
>> Hi dancers,
>>
>> I'm trying to get an idea of what is a "normal" value in terms of memory
>> use of Dancer2 running under Starman. I realise this is a "how long is a
>> piece of string" question, but I would appreciate some replies to make a
>> comparison.
>>
>> I'm finding it's roughly 100MB per worker, which seems to be roughly the
>> case regardless of the application. What do other people's run at? Is
>> there any way I can reduce the memory use and/or where should I look to
>> do so?
>>
>> I'm running 10 different Dancer2 applications on a VPS with 4GB of
>> memory. Each application has 2 Starman workers. This is about the limit
>> of what I can run before the memory on the server tops out.
>>
>> I'd like to get more applications per server. The applications generally
>> have fairly light-utilisation, but my VPS provider has disabled swap
>> space, so they can't be swapped out when they're not being used
>> unfortunately.
>>
>> Thanks,
>>
>> Andy
>>
>>
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>>
>
>
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>


-- 
Andrew Solomon

Mentor at Geekuni http://geekuni.com/
http://www.linkedin.com/in/asolomon
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