[389-users] Query blocking server

[Rich Megginson]

Juan Asensio Sánchez wrote:
> Hi, thanks for your answer.
>
> 2009/10/27 Andrey Ivanov <andrey.ivanov at polytechnique.fr>:
>   
>> Hi,
>>
>> Do you make the ldapsearch on the same server where ldap server turns?
>>     
>
> Yes, sure.
>
>
>   
>> I think your server does not freeze. When you receive the result search
>> entries the CPU of your server is occupied at 100%.
>>     
>
> Yes, if I monitor the server, ONE if the cores is at 100%. I mean the
> LDAP service freezes, not the full server.
>
>
>   
>> If it is a virtual
>> machine that you are using  try to add another cpu.
>>     
>
> No, this is a real machine with 8 cores (2 CPUs).
>
>
>   
>> Instead of showing the
>> result on the screen in order to have a more consistent of your test try to
>> redirect it to /dev/null, smth like this :
>>
>> ldapsearch -Y GSSAPI -h ldap-server.your.domain -b "dc=your,dc=domain"
>> "(objectClass=*)" > /dev/null
>>     
>
> >From my computer:
> time ldapsearch -H ldaps://ldapa1.sacyl.es -D
> "uid=adminsamba_XXXX,ou=dominio_samba,o=XXXX,dc=XXXXX,dc=XX" -w XXXXXX
> -b "dc=XXXXXX,dc=XXX" "(&(uid=*)(objectClass=sambasamaccount))" -LLL
> -x > /dev/null
>
> real	6m23.429s
> user	0m4.060s
> sys	0m0.420s
>
> While doing this query, I run one more, and until the first is not
> finished, the second did not respond.
>   
How many entries match this search filter?  Is your 
nsslapd-idlistscanlimit high enough to hold both all of the uid=* 
entries and all of the objectClass=sambasamaccount entries?
>
>   
>> And do your ldapsearch on another machine, not on the server...
>>     
>
> The search is always done from other machine (the Samba server, or my computer).
>
> Regards.
>
> --
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> 389-users at redhat.com
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>   


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