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SLAPO-SSSVLV(5)		      File Formats Manual	       SLAPO-SSSVLV(5)

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

SYNOPSIS
       /usr/local/etc/openldap/slapd.conf

DESCRIPTION
       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 a limited number of	sort requests active  at  a  time.  Additional
       limits may be configured	as described below.

CONFIGURATION
       These  slapd.conf options apply to the SSSVLV overlay.  They should ap-
       pear 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.

       sssvlv-maxperconn <num>
	      Set the maximum number of	concurrent paged search	 requests  per
	      connection.  The default is 5. The number	of concurrent requests
	      remains limited by sssvlv-max.

FILES
       /usr/local/etc/openldap/slapd.conf
	      default slapd configuration file

       /usr/local/etc/openldap/slapd.d
	      default slapd configuration directory

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

       "OpenLDAP Administrator's Guide"	(http://www.OpenLDAP.org/doc/admin/)

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

AUTHOR
       Howard Chu

OpenLDAP 2.6.9			  2024/11/26		       SLAPO-SSSVLV(5)

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