High memory usage in vibe.d application

[Anton Fediushin]

On Friday, 29 June 2018 at 11:01:41 UTC, Anton Fediushin wrote:
> On Friday, 29 June 2018 at 10:21:24 UTC, Radu wrote:
>> On Friday, 29 June 2018 at 09:44:27 UTC, Anton Fediushin wrote:
>>> Almost forgot, there are two timers which call this function 
>>> for two different streams.
>>>
>>> Value of `metaint` is 16000, which means that only 16KB of 
>>> memory are allocated for the `buffer`, then it reads another 
>>> byte which contains length of the metadata / 16 and then it 
>>> reads the metadata which is 100-200 bytes long.
>>>
>>> This gives us... 16KiB per one nowPlaying() call. Why doesn't 
>>> it free the memory?
>>
>> Maybe use the 
>> https://dlang.org/phobos/std_experimental_allocator_mallocator.html instead of theAllocator as it defaults to GC.
>
> Thanks, I'll try that.
> ...
> I will deploy that and see if it changes anything.

It did! Memory usage went down to 7MiB yet it still grows 
slightly. I'll monitor if it changes in a couple of hours but it 
is much better.

Thank you a lot, Radu. It turns out that theAllocator is so 
tricky.