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From bugzi...@apache.org
Subject [Bug 56261] New: Load balancing method bybusiness not working properly
Date Fri, 14 Mar 2014 10:39:06 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=56261

            Bug ID: 56261
           Summary: Load balancing method bybusiness not working properly
           Product: Apache httpd-2
           Version: 2.2.21
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mod_proxy_balancer
          Assignee: bugs@httpd.apache.org
          Reporter: enrico.bonato@omnitechweb.it

We have set up this conifguration on an HTTPD reverse proxy:

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so

Header add Set-Cookie "APACHE_ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/"
env=BALANCER_ROUTE_CHANGED
<Proxy balancer://AppCluster>
  BalancerMember https://node1.service.int route=1
  BalancerMember https://node2.service.int route=2
  BalancerMember https://node3.service.int route=3
  BalancerMember https://node4.service.int route=4
  ProxySet stickysession=APACHE_ROUTEID
  ProxySet lbmethod=bybusyness
</Proxy>

We expect requests to be balanced equally across all nodes; but the first node
is overloaded
Here is the output of the balancer-manager

StickySession    Timeout    FailoverAttempts    Method
APACHE_ROUTEID    0    3     bybusyness

Worker URL    Route    RouteRedir    Factor    Set    Status    Elected    To  
 From
https://node1.service.int    1        1    0    Ok    2380166    3.5G    892M
https://node2.service.int    2        1    0    Ok    203860    292M    78M
https://node3.service.int    3        1    0    Ok    203250    294M    79M
https://node4.service.int    4        1    0    Ok    351205    511M    132M


There is only one kind of request made, always of the same dimension

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