LDAP optimization - domain controllers

From KB315071 Instructions for configuring per domain controller or per site policy

Create a new query policy under:
CN=Query-Policies,CN=Directory Service,CN=Windows NT,CN=Services,CN=Configuration,forest root
Set the domain controller or site to point to the new policy by entering the distinguished name of the new policy in the "Query-Policy-Object" attribute. The location of the attribute is a follows:

The location for the domain controller is:
CN=NTDS Settings, CN=DomainControllerName, CN=Servers,CN=site name,CN=Sites,CN=Configuration,forest root
The location for the site is:
CN=NTDS Site Settings,CN=site name,CN=Sites,CN=Configuration,forest root

ldifde -i -f ldappolicy.ldf -v -c DC=X DC=forest root

dn: CN=Extended Timeout,CN=Query-Policies,CN=Directory Service,CN=Windows NT,CN=Services,CN=Configuration,DC=X
changetype: add
instanceType: 4
lDAPAdminLimits: MaxReceiveBuffer=10485760
lDAPAdminLimits: MaxDatagramRecv=1024
lDAPAdminLimits: MaxPoolThreads=4
lDAPAdminLimits: MaxResultSetSize=262144
lDAPAdminLimits: MaxTempTableSize=10000
lDAPAdminLimits: MaxQueryDuration=300
lDAPAdminLimits: MaxPageSize=1000
lDAPAdminLimits: MaxNotificationPerConn=5
lDAPAdminLimits: MaxActiveQueries=20
lDAPAdminLimits: MaxConnIdleTime=900
lDAPAdminLimits: InitRecvTimeout=120
lDAPAdminLimits: MaxConnections=5000
objectClass: queryPolicy
showInAdvancedViewOnly: TRUE