Thank you Michael

How can one have any idea of the maxsize of allowed memory needed for a query on overpass ?

The maximum geojson collection size returned in this project's case is approximately 22MB and this is decompressed. I assume overpass returns a compressed format which should be much smaller.

Best regards,

Stuart

On Fri, 10 Jan 2020 at 06:54, michael spreng <mailinglist@osm.datendelphin.net> wrote:

Hi

On 09/01/2020 22:17, European Water Project wrote:
> Is there a queue system with a max CPU allotted to each query process
> with a different cpu allocation based on server load?

Also memory, but yes, that is roughly how it works. See
https://overpass-api.de/command_line.html and there section 504 Gateway
Timeout. So it depends on you settings timeout and maxsize. If the
server is over capacity, it rejects new queries outright if they specify
too much time or memory.

Michael
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