In this answer they mention 10
I did man xargs and couldn't find what's the maximum limit.
Is it possible to send 10000 cURL requests per second? How about 50000 cURL requests per second? I mean all 50000 executing at same time?
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It depends on your hardware and network connection limits.– AlexDCommented Jan 2, 2022 at 10:46
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Is there any mapping of hardware/network vs. approx -P value? I can use cloud machines.– sofs1Commented Jan 2, 2022 at 10:48
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the question is what are you trying to curl? if its the same url apache load testing tool can do this without xargs, but remember i already shoot my own server into a DDoS due to forgotten this process in the background ;)– djdomiCommented Jan 2, 2022 at 16:04
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1 Answer
The maximum is implementation-dependent. You can show it by running xargs --show-limits (assuming Linux). There may also by (socket) limits by the OS or the user you're running this under.
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I'm getting xargs: illegal option -- - usage: xargs [-0opt] [-E eofstr] [-I replstr [-R replacements]] [-J replstr] [-L number] [-n number [-x]] [-P maxprocs] [-s size] [utility [argument ...]]– sofs1Commented Jan 2, 2022 at 10:48
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Then if you perhaps provided a little more information about your system someone could answer your question.– Zac67Commented Jan 2, 2022 at 11:02
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I found an example here unix.stackexchange.com/q/279742/366317 But couldn't figure out which of those 5 sizes is applicable to -P– sofs1Commented Jan 2, 2022 at 11:16