Dear Arun,

>> And also I  just want to know why my ldap service are getting stopped....
What do you mean?
Do you mean the ldap unix process disappears ?
If so, did you enable core dumps to be written (ulimit -c) ?
Do you get a core file ?

I would not expect slapd to simply 'exit'.

Thanks
++Cyrille
________________________________
From: [email protected] [mailto:[email protected]]
Sent: Monday, July 25, 2011 2:45 PM
To: Maucci, Cyrille; [email protected]
Subject: RE: SlapD is using more CPU

Dear Cyrille,

 I am using Ubuntu 9.04 OS (Configured in VM), and OpenLdap OpenLDAP: slapd 
2.4.15...

I have configured Multi-Master setup here... i.e two location servers will act 
as multimaster and remaining 7 locations are act as slave servers(read only 
copy).

Each location sync with master ldap and fetch the update from master Ldap 
(syncrepl)...

My infra the number of users are accessing the LDAP more on Sundays hence Ldap 
server is utilizing more cpu on those days and getting hang... Please find the 
attached some report which I took from Ldap server.

I have increased my cache size.. will it cause to high CPU ...?
And also I  just want to know why my ldap service are getting stopped....


Thanks,
-Arun

From: Maucci, Cyrille [mailto:[email protected]]
Sent: Monday, July 25, 2011 5:59 PM
To: Arun Sasi V (WI01 - Manage IT); [email protected]
Subject: RE: SlapD is using more CPU

Hello Arun Sasi,

are you saying you are surprised by the fact that the more LDAP search the more 
CPU consumption ? ( ! ).
I must have misunderstood your statement.

Since slapd is multi-threaded, I've myself pushed slapd to much more than 100% 
CPU.
So what do you mean by 'slapd is getting stopped' ?
Do you mean the process vanishes ?
Does it leave a baby core file around there ?
If so, you should probably send the back trace.

++Cyrille

________________________________
From: [email protected] 
[mailto:[email protected]] On Behalf Of 
[email protected]
Sent: Monday, July 25, 2011 9:55 AM
To: [email protected]
Subject: SlapD is using more CPU
Hello Team,

Whenever the number of search increase to the master server... slapd is 
utilizing more about more than 100%... What could be the reason and also is 
there any bench mark defined...

Whenver it goes 100% slapd server is getting stopped...

Thanks & Regards,
Arun Sasi V


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