I am able to get logs and I see these errors - 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[569]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[569]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[569]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[569]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[569]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[569]: ::ffff:10.21.214.31:39846 [18/Sep/2018:23:39:22.405] haproxy-frontend ir-http-server-backend/server1 0/0/-1/-1/0 503 212 - - SC-- 16/15/13/13/3 0/0 "GET /splunk-data/puretest/db/f2/63/1~DFFEABF3-6CE0-4107-88E9-DAC84082BE3A/guidSplunk-DFFEABF3-6CE0-4107-88E9-DAC84082BE3A/1536613068-1536610572-12314536523543509297.tsidx HTTP/1.1" 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: Connect() failed for backend ir-http-server-backend: no free ports. 2018-09-18 23:39:22+00:00 127.0.0.1 haproxy[572]: ::ffff:10.21.214.31:39840 [18/Sep/2018:23:39:22.405] haproxy-frontend ir-http-server-backend/server1 0/0/-1/-1/0 503 212 - - SC-- 36/36/33/33/3 0/0 "GET /splunk-data/puretest/db/f2/63/1~DFFEABF3-6CE0-4107-88E9-DAC84082BE3A/guidSplunk-DFFEABF3-6CE0-4107-88E9-DAC84082BE3A/splunk-autogen-params.dat HTTP/1.1"
My sysctl port range is - net.ipv4.ip_local_port_range = 32768 61000 On Tue, Sep 18, 2018 at 10:20 AM, Shishir Kumar Yadav < [email protected]> wrote: > Thanks Lucas. > > I am trying to enable the logging. Will provide the logs when it is > available. > > The default value 2000 is much higher to cause problem as I am seeing > problem at 250 connections. > > -Shishir > > On Tue, Sep 18, 2018 at 2:40 AM, Lukas Tribus <[email protected]> wrote: > >> Hello, >> >> >> On Tue, 18 Sep 2018 at 02:36, Shishir Kumar Yadav >> <[email protected]> wrote: >> > >> > Hi All, >> > >> > I am using haproxy 1.8.3 >> >> Which has 169 unfixed bugs: >> http://www.haproxy.org/bugs/bugs-1.8.3.html >> >> I'd strongly suggest you use latest stable, although that doesn't mean >> it has something to do with your specific issue. >> >> >> >> > I am testing a setup where a bunch of clients are generating number of >> GET >> > requests and when number of connection reaches somewhere around 250, >> > the clients intermittently get 503 Service Unavailable error. >> >> Looking at the haproxy logs is the logical next step. They will most >> likely contain the reason for this 503 error. >> >> >> Also note that when you *not* set maxconn, the default value of 2000 >> applies (per process and per frontend, not per server). >> >> >> >> Lukas >> > >
