If you have a lot of fds, then you have fd polling issues to deal with for high performance. To be honest I've not actually benchmarked anything comparing the

If you have a lot of fds, then you have fd polling issues to deal with for high performance. To be honest I've not actually benchmarked anything comparing the throughput of an efficient fd poller to multiplexed pipe. It just feels nice to avoid the problem, considering what kind of effort can go into those pollers. Some discussion from Zed about fd polling: https://web.archive.org/web/20120225022154/http://sheddingbikes.com/posts/1280829388.html https://web.archive.org/web/20120225022154/http://sheddingbi...