Mark, On 23/03/17 19:36, Mark H Weaver wrote: > One question: what will happen in the case of multiple concurrent > requests for the same nar? Will multiple nar-pack-and-bzip2 processes > be run on-demand?
I think this used to be the case with the previous nginx configuration, but the recent changes pushed by Ludo' were aimed in part at preventing that. > Recall that the nginx proxy will pass all of those requests through, Are you sure? I was under the impression¹ that this is exactly what ‘proxy_cache_lock on;’ prevents. I'm no nginx guru, obviously, so please — anyone! — correct me if I'm misguided. Kind regards, T G-R ¹: https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_cache_lock
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