Hi again,
It looks like the "option httpclose" is effective, even though the client receives a keep-alive header, likely from another intermediate proxy. >From the HAProxy status page, I can see that the number of concurrent sessions >is kept low. And this is really what matters I believe (not to exceed >Openshift limits). / Mats Mats wrote: > Hi Holger, > >Many thanks for this hint. I guess I will need to follow up with >Openshift/RedHat. >I have posted a question in the forum there, but so far no feedback: >https://stackoverflow.com/questions/44134775/how-to-suppress-http-connection-keep-alive-header-in-response. > >Thanks also for the advice to upgrade. I'm not sure if that is easy or even >possible in Openshift online. Maybe their next version of the platform (v3) >will have a more recent version of >HAProxy. Would be nice, because I am also >missing some of the config options that were added in later versions. > >Kind regards, >Mats > > >Hi Mats, > >Mats Eklund wrote: >> I am running a load balanced Tomcat application on Openshift Online >>v2, with HAProxy ver. 1.4.22 as load balancer. > >With your current config, HAProxy will add a "Connection: close" header >to responses. However, since you mentioned you are running this in an >OpenShift environment, there might (and probably is) be another layer >of proxies involved between your HAProxy and your client. > >Since you are speaking plain HTTP here, this other proxy might chose to >use keep-alive connections towards the client, similar to how HAProxy's >option http-server-close works. In that case, you would have to change >the configuration of this other proxy too. > >Best, >Holger > >P.S. HAProxy 1.4 is OLD and receives only critical fixes now. You should >seriously consider upgrading to a newer version. The current stable >version if 1.7.26. > >At the very least, you should upgrade to the latest 1.4 version 1.4.27 >has fixed 83 known bugs since 1.4.22. See >https://www.haproxy.org/bugs/bugs-1.4.22.html<https://www.haproxy.org/bugs/bugs-1.4.22.html> > for details.

