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[zhangliang <252885283@xxxxxx>]

Public bug reported:

I install LBAAS agent in openstack environment; when I new a Load
Balancer with horizon, I find the concurrency of Load Balancer is too
low.

The config of haproxy that the LBAAS generate like this
==========================================================================================
global
        daemon
        user nobody
        group haproxy
        log /dev/log local0
        log /dev/log local1 notice
        stats socket /var/lib/neutron/lbaas/647063af-583a-4b3b-a428-9dd306c1324b/sock mode 0666 level user
defaults
        log global
        retries 3
        option redispatch
        timeout connect 5000
        timeout client 50000
        timeout server 50000
frontend 2564511c-9682-4944-83b1-21bdc11ad51f
        option tcplog
        bind 192.168.112.112:8080
        mode http
        default_backend 647063af-583a-4b3b-a428-9dd306c1324b
        option forwardfor
backend 647063af-583a-4b3b-a428-9dd306c1324b
        mode http
        balance roundrobin
        option forwardfor
        server 0bd81b57-955e-4613-aa75-e5178e23f498 192.168.113.4:8080 weight 1
==========================================================================================

In "global" and "default" section ,no "maxconn" property . I add
"maxconn 65536" property in config,and restart the haproxy instance,I
found the the concurrency turns good.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1599382

Title:
  neutron-lbaas-agent concurrency is too low

Status in neutron:
  New

Bug description:
  I install LBAAS agent in openstack environment; when I new a Load
  Balancer with horizon, I find the concurrency of Load Balancer is too
  low.

  The config of haproxy that the LBAAS generate like this
  ==========================================================================================
  global
          daemon
          user nobody
          group haproxy
          log /dev/log local0
          log /dev/log local1 notice
          stats socket /var/lib/neutron/lbaas/647063af-583a-4b3b-a428-9dd306c1324b/sock mode 0666 level user
  defaults
          log global
          retries 3
          option redispatch
          timeout connect 5000
          timeout client 50000
          timeout server 50000
  frontend 2564511c-9682-4944-83b1-21bdc11ad51f
          option tcplog
          bind 192.168.112.112:8080
          mode http
          default_backend 647063af-583a-4b3b-a428-9dd306c1324b
          option forwardfor
  backend 647063af-583a-4b3b-a428-9dd306c1324b
          mode http
          balance roundrobin
          option forwardfor
          server 0bd81b57-955e-4613-aa75-e5178e23f498 192.168.113.4:8080 weight 1
  ==========================================================================================

  In "global" and "default" section ,no "maxconn" property . I add
  "maxconn 65536" property in config,and restart the haproxy instance,I
  found the the concurrency turns good.

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