Christopher Faulet

Now pushed !

I guess we can close it now

What is the 2.2 version ? For now, I have no idea. You may try with the 2.4.17. It is strange there is no log. You may try `show fd`...

Thanks. So your 2.2 version is outdated (it matches the 2.4.4 on the release timeline). It is hard to know if it is a regression of the 2.4 or if...

Sorry for the delay. I'm back from holidays :). Well, there was no real change about keepalive on client side between 2.2 and 2.4. But you must try with a...

When you set `timeout http-keep-alive` to 50ms, did you observed any change on the 2.2 ? But if the problem still persist with pretty high value, it means there is...

I read again your issue description. When the problem occurs, you say the request is sent but the response never comes. How long does it take between sending the request...

> What I am concerned about is that it happens significantly more often after upgrading to haproxy 2.4, and I don't know why. I'm still trying to figure out why...

The `http-keep-alive` timeout (the HAProxy one) is only used for client connections. `Keep-Alive` header is not used by HAProxy. And on the server side, you have disabled the connection keep-alive...

Once upgraded, if the problem still happens, you can try to retrieve the resolver counters with the `show resolvers mydns` CLI command. It may help to identify the reason of...