I've created a Github issue to track this: https://github.pie.apple.com/ats/trafficserver/issues/672
On Tue, Oct 24, 2023 at 10:16 AM Alan Carroll <[email protected]> wrote: > I looked at this a bit. The message isn't directly related to that > setting. In fact, it's an internal error message. ATS tracks the number of > outbound connections for each IP address. This error message indicates that > the number of connections to some IP address is negative, which clearly > makes no sense. > > What I would suspect it somehow the minimum connection logic isn't > updating the outbound session tracking but when such a session ends it > still decrements the count, leading to negative values. Would it be > possible to check if ATS 10 has this issue? > > -----Original Message----- > From: Veiko Kukk <[email protected]> > Sent: Monday, October 23, 2023 11:35 AM > To: [email protected] > Subject: ATS 9.2.3 and proxy.config.http.per_server.connection.min > > Hi > > I'm upgrading from 7.1 to 9.2.3 and attempting to get a certain amount of > connections kept open between ATS and upstream server to avoid connection > creation overhead. > > In 7.1 this worked well CONFIG > proxy.config.http.origin_min_keep_alive_connections INT 50 > > In 9.2.3 enabling CONFIG proxy.config.http.per_server.connection.min INT > 50 results in many lines of errors displayed in diags.log > > [Oct 23 16:26:59.192] [ET_NET 0] ERROR: [http_ss] [188] number of > connections should be greater than or equal to zero: 4294967295 [Oct 23 > 16:27:15.309] [ET_NET 0] ERROR: [http_ss] [210] number of connections > should be greater than or equal to zero: 4294967295 [Oct 23 16:27:29.543] > [ET_NET 1] ERROR: [http_ss] [203] number of connections should be greater > than or equal to zero: 4294967295 [Oct 23 16:27:59.336] [ET_NET 0] ERROR: > [http_ss] [219] number of connections should be greater than or equal to > zero: 4294967295 [Oct 23 16:28:15.683] [ET_NET 0] ERROR: [http_ss] [241] > number of connections should be greater than or equal to zero: 4294967295 > [Oct 23 16:28:31.506] [ET_NET 1] ERROR: [http_ss] [234] number of > connections should be greater than or equal to zero: 4294967295 > > Connections through proxy work even though those strange errors are > displayed. > > Veiko >
