[CalendarServer-dev] [CalendarServer] #260: OpenLDAP directory service

[CalendarServer]

#260: OpenLDAP directory service
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 Reporter:  jusiskin@…                 |       Owner:  sagen@…           
     Type:  Feature                    |      Status:  new               
 Priority:  2: Expected                |   Milestone:  CalendarServer-2.x
Component:  Calendar Server            |    Severity:  Other             
 Keywords:                             |  
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Comment(by rahul@…):

 I would like to know whether anyone is using this patch in a production
 environment. I am using this patch with calendarserver in a company with
 about 250 users simultaneously connected with Lightning. The error log
 shows that authentication has failed for about 4-5 users and it keeps on
 retrying continuously. The calendar server process initially starts
 normally but suddenly its cpu usage goes to above 90%.

 The server is a Intel Core 2 1.86 Ghz CPU with more than 3 GB RAM.

 I am trying to figure out the possible reason for the high CPU usage.

 1. The server configuration is not sufficient for 250 simultaneous users.
 2. The ldap patch is coded in a way which is leading to the high CPU
 usage.
 3. The repeated authentication attempts is leading to the high CPU usage.

 Any help in this regard would be highly appreciated.

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Ticket URL: <http://trac.calendarserver.org/ticket/260#comment:34>
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