Hello! On Fri, May 02, 2025 at 03:43:03AM +0300, Maxim Dounin wrote:
> Hello! > > The following patch series introduces conditional rearm of write > timeouts (and also does some related cleanup). > > Notably, this might be beneficial on Linux under memory pressure, when > requested send buffers cannot be allocated and writev() returns EAGAIN > without any progress, yet write events are reported by kernel, resulting > in a busy loop. And, more importantly, making existing write timeout > handling ineffective. > > Suggested change is to only rearm write timeouts if some progress was > made, in most cases detected by comparing c->sent with the original > value as saved at the start of the event handler. > > Comments are welcome. It looks like I've accidentally posted this patch series and a couple of previous patches into the nginx@ mailing list instead of nginx-devel@freenginx.org, sorry. -- Maxim Dounin http://mdounin.ru/