# \#tcp\_closed

**URL:** https://erlangforums.com/tag/tcp-closed/643.md

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## [Connection closed on gen\_tcp but not socket when using tcpkali](https://erlangforums.com/t/connection-closed-on-gen-tcp-but-not-socket-when-using-tcpkali/2750)

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**Author:** [@ruslandoga](https://erlangforums.com/u/ruslandoga)\
**Replies:** 7\
**Last updated:** [July 21, 2023, 3:11am UTC](https://erlangforums.com/t/connection-closed-on-gen-tcp-but-not-socket-when-using-tcpkali/2750 "2023-07-21T03:11:22Z")

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I’m on a quest to implement a fast acceptor pool in Elixir so I’ve been benchmarking different ones and I noticed that gen\_tcp-based ones don’t seem to work well with GitHub - satori-com/tcpkali: Fast multi-core TCP and …