Hi Amin, On Mon, Oct 14, 2019 at 12:23:53AM +0330, Amin Shayan wrote: > Hello, > > I've several installations with different config and usage on 1.8.21 and no > problem so far. I found one installation on a cluster of 6 servers, which > all of them had one cpu core stuck at 100% and Idle_pct lower than 10. > I've played with nproc and nbthread and other values with no luck so > upgraded from 1.8.21 to 1.8.21-ba3abe-12 and it was the same. > After comparing other installations with this one found that this is the > only cluster with allow-0rtt enabled. removed allow-0rtt from bind options > and it didn't happen in last 10 days!
Interesting! It means there could be something wrong in the handshake processing such as an even which is not properly reset. > Hope it helps to have more stable 1.8.22 :) Probably much too early to say, unfortunately, since such bugs can take a very long time to spot. But at least it does help to know that just acting on this made a difference for you. thanks, Willy
