Top "Epoll" questions

Is 'epoll' the essential reason that Tornadoweb(or Nginx) is so fast?

Tornadoweb and Nginx are popular web servers for the moment and many benchmarkings show that they have a better performance …

apache nginx tornado epoll

Performance tuning for Netty 4.1 on linux machine

I am building a messaging application using Netty 4.1 Beta3 for designing my server and the server understands MQTT protocol. This …

java linux netty nio epoll

How to get errno when epoll_wait returns EPOLLERR?

Is there a way to find out the errno when epoll_wait returns EPOLLERR for a particular fd? Is there …

linux epoll

select(), poll() or epoll() ? for sysfs attribute

I am working with gpio interrupts. I have a file in "/sys/class/gpio/gpio38/value". I want a notification …

c linux embedded-linux epoll beagleboard

Epoll on regular files

Can epoll (on Linux) be somehow useful for regular files? I know it's primarily used with sockets but just wonder.

c++ c linux sockets epoll

serving large file using select, epoll or kqueue

Nginx uses epoll, or other multiplexing techniques(select) for its handling multiple clients, i.e it does not spawn a …

select nginx epoll kqueue

epoll performance

Can anyone please help me to answer the questions about epoll_wait. Is it overkill to use many threads that …

linux epoll

Socket server with epoll and threads

I am trying to create a socket server in C for a Collaborative real-time editor http://en.wikipedia.org/wiki/…

c multithreading sockets pthreads epoll

epoll_wait on several Threads faster?

I am thinking of programming a tcp server based on epoll. To achieve the best performance i want to implement …

multithreading epoll

Is level triggered or edge triggered more performant?

I am trying to figure out what is more performant, edge triggered or level triggered epoll. Mainly I am considering "…

c linux epoll