I'm currently trying out C++ coroutines abstracting away io_uring. For that I have the following class: class io_service final { public: explicit ...
I am trying to write a multithreaded server using io_uring. The problem is the function 'io_uring_wait_cqe' requires calling to io_uring_cqe_seen to m ...
can anybody tell what is the main difference between zeromq and liburing in case of building tcp server in C? both can handle async requests and work ...
For high-performance I/O, some techniques are often used: poll/select/epoll/kqueue: They are the same type of system calls that support I/O multip ...
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I am trying to understand asynchronous models in C++. I am investigating 4 libraries that purport to deal with asynchronous I/O: liburing (C versi ...
I want to experiment io_uring on the github project: https://github.com/alexhultman/io_uring_epoll_benchmark referrence: https://unixism.net/loti/ref ...
From https://kernel.dk/io_uring.pdf, I noticed submission queue of io_uring requires another indirection of indexing. And the explaination is quite bl ...
I recently started using liburing and tried to write some demos. I met trouble when tried to write something into the disk. Here is my code, the erro ...
I've updated my fedora linux with dnf update to kernel version Linux 5.16.7-200.fc35.x86_64 x86_64 and am now getting a EPERM/permission denied error ...
I'm migrating my project to io_uring for better performance. However, some part of the system depends on epoll being event system and not movable to i ...
I have been reading https://kernel.dk/io_uring.pdf and I would like to experiment with the actual syscalls (io_uring_setup, io_uring_enter) to check m ...
I'm playing around with io_uring, https://kernel.dk/io_uring.pdf, to see if it can be used for async file I/O for logging. This is a simple program th ...
When using io_uring_queue_init it calls io_uring_setup. There's an ENOMEM returned when there is insufficient amount of locked memory available for th ...
On the following page https://lwn.net/Articles/810414/ IORING_OP_READ_FIXED IORING_OP_WRITE_FIXED These opcodes also submit I/O operations, but th ...
Apparently, Linux already had an Asyn-IO (AIO) API. I believe it is not fully asynchronous. So what was the issue with AIO? and how io_uring overcomes ...
I've recently written a simple TCP server using epoll, but I want to explore other mechanisms for high performance mutliplexing, to that end I came ac ...
Recently I've been seeing this in different forums. As far as I can tell from reading some forum discussions it is something to do with input and outp ...