Hi Jie Jin, On Fri, Jun 20, 2014 at 11:55:54AM +0800, Jie Jin wrote: > Hi, all > > Finally, I got some log and screenshot from the haproxy. > > We use haproxy 1.4.25. But recently we met a problem: so many 4xx requests, > nearly 6% - 8%. > > I want to know why so many 400 requests, and fix it. > > I have analyze the log, most of the 4xx requests are 400 requests which > marked as BADREQ > below is the sample of log, ip address has been anonymized. (Our clients > continuously send a heartbeat every 30 seconds)
Then I suspect that your client's heartbeats are bogus. When you get a BADREQ, you should issue "show errors" on the stats socket to get a full dump of it. It will contain a full dump of the exact request it received and indicate what was found wrong there. Regards, Willy
