TCP Passive Socket Caching

Onload User Guide (UG1586)

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1.2 English

Passive socket caching, supported from the Onload 201502 release, means Onload will re-use socket buffers and file descriptors from passive-open (listening sockets).

This can improve the accept rate of active-open TCP connections and will benefit processes which need to accept lots of connections from these listening sockets.