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From "Parth Jagirdar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-2997) HAProxy maxconn is not configurable
Date Thu, 13 Jun 2013 17:15:20 GMT
Parth Jagirdar created CLOUDSTACK-2997:
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             Summary: HAProxy maxconn is not configurable
                 Key: CLOUDSTACK-2997
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2997
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Install and Setup
    Affects Versions: 4.2.0
         Environment: Master, Xen
            Reporter: Parth Jagirdar


In core//src/com/cloud/network/HAProxyConfigurator.java, maxconn is hardcoded to 4096. According
to the HAProxy page, it is safe to assume 20k connections per GB of RAM. This parameter can
be changed by the patches/systemvm/debian/config/root/reconfigLB.sh to be based on the actual
RAM of the VR.

During testing following observations were made..

- /etc/haproxy/haproxy.cfg doesnt have maxconn as global variable.

- patches/systemvm/debian/config/root/reconfigLB.sh doesnt configure HAProxy.cfg as per VR
service offering and available RAM;

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