[Pulp-list] very slow yum runs

[Winberg Adam]

I managed to get better performance by doing the following changes:


  *   Increasing apache parameters 'ServerLimit' and 'MaxRequestWorkers'. This was suggested from warning in the apache error logs which I had missed.
  *   Increasing aiohttpd workers for the pulpcore-content service from 2 to 6. Not sure what effect if any this has.


Not sure which measure had effect or if it is a combination, but things seem to run pretty smoothly now without any errors. Still not quite as fast as with pulp2, so if anyone has any tips I'll gladly accept them.


//Adam


________________________________
From: pulp-list-bounces at redhat.com <pulp-list-bounces at redhat.com> on behalf of Winberg Adam <Adam.Winberg at smhi.se>
Sent: 20 January 2021 15:38
To: pulp-list at redhat.com
Subject: [Pulp-list] very slow yum runs


Hello,


we have been using a pulp2 installation serving yum repos to ~ 1200 clients. Yesterday I went live with a pulp3 installation and client yum runs was very slow. I mean timeout-slow, grinding our puppet runs to a halt and forcing me to revert back to our pulp2 instance.


Pulp3 is behind a apache reverse proxy, and I'm seeing errors like:

 AH01102: error reading status line from remote server 127.0.0.1:24816


There is no shortage of cpu/ram on the server. Pulp is connected to a remote postgresql server.


Using rpm based installation on RHEL8 with

python3-pulp-rpm-3.7.0-1.el8.noarch
python3-pulpcore-3.7.3-1.el8.noarch


Anyone recognize this problem, is there some basic tuning that I have missed?


Regards

Adam



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