Maxim Dounin Wrote: ------------------------------------------------------- > Hello! > > On Tue, Sep 18, 2018 at 06:02:46AM -0400, domleb wrote: > > > While running a load test that injects 10k TPS across 3 Nginx > instances, we > > are seeing spikes of errors where Nginx returns HTTP 502 and logs > the > > message 'no live upstreams while connectingby domleb - Nginx Mailing List - English
While running a load test that injects 10k TPS across 3 Nginx instances, we are seeing spikes of errors where Nginx returns HTTP 502 and logs the message 'no live upstreams while connecting to upstream'. There are no other errors logged e.g. connection errors. Also, we have a single upstream virtual IP (we use iptables to balance load across the backend) and according to the docs the upstreamby domleb - Nginx Mailing List - English