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"getaddrinfo() thread failed to start" under heavy load

From: Matt Toschlog via curl-library <curl-library_at_lists.haxx.se>
Date: Mon, 16 Oct 2023 17:58:31 -0400

I'm using libcurl in a voice server app running on Ubuntu 20.04 on an
Amazon AWS EC2 instance.  When I get around 500 users on the system I
start getting the error "getaddrinfo() thread failed to start" in my
curl_easy_perform() calls.

Memory doesn't seem to be an issue -- I'm not going above 15%
utilization.  Perhaps there's a Linux limitation (number of threads, for
example) that I'm running up against but I haven't found it.

I'm building with curl 7.68.0, which as far as I can tell is the most
recent version for the system I'm running on.

Any ideas?

Thanks.

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Received on 2023-10-17