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transport-native-epoll JAR should be loaded with OS classifier to support Epoll #475

kachayev opened this issue Feb 1, 2019 · 1 comment


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@kachayev kachayev commented Feb 1, 2019

If I use Aleph with current project.clj, Epoll is not available even if kernel supports it. To support Epoll we need to download io.netty/netty-transport-native-epoll with "linux-x86_64" classifier. See screenshots

screen shot 2019-02-01 at 5 23 09 pm

Set this manually to the list of dependencies as

[io.netty/netty-transport-native-epoll "4.1.33.Final" :classifier "linux-x86_64"]

screen shot 2019-02-01 at 5 18 12 pm

Not sure what is the best way to make it less painful for the user. At least we should document this explicitly.


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@alexander-yakushev alexander-yakushev commented Feb 4, 2019

Wow, real epoll is nice.
screen shot 2019-02-04 at 23 51 02

13% usertime reduction with just one line. Thank you for discovering this!

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