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nanoev/tests/posix/echo/README.md

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notes about system limits in Linux:

  • ulimit -n 100000 will raise the max number of FDs for a process to 100000
  • /proc/sys/net/core/netdev_max_backlog controls the kernel backlog size, raise it (default is 1000)
  • /proc/sys/net/core/somaxconn is the max size of a socket backlog (as given to listen()), raise it (default is 4096)