Is your problem fixed? We may emit a warning for such configuration.
Baptiste Le 15 oct. 2015 07:34, "Krishna Kumar (Engineering)" < [email protected]> a écrit : > Hi Baptiste, > > Thank you for the advise and solution, I didn't realize retries had to be > >1. > > Regards, > - Krishna Kumar > > On Wed, Oct 14, 2015 at 7:51 PM, Baptiste <[email protected]> wrote: > > On Wed, Oct 14, 2015 at 3:03 PM, Krishna Kumar (Engineering) > > <[email protected]> wrote: > >> Hi all, > >> > >> We are occasionally getting these messages (about 25 errors/per > occurrence, > >> 1 occurrence per hour) in the *error* log: > >> > >> 10.xx.xxx.xx:60086 [14/Oct/2015:04:21:25.048] Alert-FE > >> Alert-BE/10.xx.xx.xx 0/5000/1/32/+5033 200 +149 - - --NN 370/4/1/0/+1 > >> 0/0 {10.xx.x.xxx||367||} {|||432} "POST /fk-alert-service/nsca > >> HTTP/1.1" > >> 10.xx.xxx.xx:60046 [14/Oct/2015:04:21:19.936] Alert-FE > >> Alert-BE/10.xx.xx.xx 0/5000/1/21/+5022 200 +149 - - --NN 302/8/2/0/+1 > >> 0/0 {10.xx.x.xxx||237||} {|||302} "POST /fk-alert-service/nsca > >> HTTP/1.1" > >> ... > >> > >> We are unsure what errors were seen at the client. What could possibly > be the > >> reason for these? Every error line has retries value as "+1", as seen > above. The > >> specific options in the configuration are (HAProxy v1.5.12): > >> > >> 1. "retries 1" > >> 2. "option redispatch" > >> 3. "option logasap" > >> 4. "timeout connect 5000", server and client timeouts are high - 300s > >> 5. Number of backend servers is 7. > >> 6. ulimit is 512K > >> 7. balance is "roundrobin" > >> > >> Thank you for any leads/insights. > >> > >> Regards, > >> - Krishna Kumar > >> > > > > Hi Krishna, > > > > First, I don't understand how the "retries 1" and the "redispatch" > > works together in your case. > > I mean, redispatch is supposed to be applied at 'retries - 1'... > > > > So basically, what may be happening: > > - because of logasap, HAProxy does not wait until the end of the > > session to generate the log line > > - this log is in error because a connection was attempted (and failed) > > on a server > > > > You should not setup any ulimit and let HAProxy do the job for you. > > > > Baptiste >
