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       slapo-sssvlv  -  Server  Side  Sorting and Virtual List View overlay to




       This overlay implements the LDAP Server Side Sorting (RFC2891)  control
       as  well as the Virtual List View control. It also replaces the default
       implementation of the LDAP PagedResults (RFC2696)  control,  to  ensure
       that it works with Sorting. The overlay can be used with any backend or
       globally for all backends.

       Since a complete result set must be generated in memory before  sorting
       can  be  performed, processing sort requests can have a large impact on
       the server's memory use. As such, any connection is limited  to  having
       only  one  sort  request  active  at  a  time. Additional limits may be
       configured as described below.


       These slapd.conf options apply to  the  SSSVLV  overlay.   They  should
       appear after the overlay directive.

       sssvlv-max <num>
              Set  the  maximum  number  of  concurrent  sort requests allowed
              across all connections. The default is one half of the number of
              server threads.

       sssvlv-maxkeys <num>
              Set  the  maximum  number of keys allowed in a sort request. The
              default is 5.


              default slapd configuration file

              default slapd configuration directory


       slapd.conf(5), slapd-config(5).

       "OpenLDAP Administrator's Guide" (

       IETF LDAP Virtual List View proposal by D. Boreham, J. Sermersheim, and
       A. Kashi in IETF document "draft-ietf-ldapext-ldapv3-vlv-09.txt".


       Howard Chu