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

NAME         top

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

SYNOPSIS         top

       ETCDIR/slapd.conf

DESCRIPTION         top

       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         top

       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.

       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         top

       ETCDIR/slapd.conf
              default slapd configuration file

       ETCDIR/slapd.d
              default slapd configuration directory

SEE ALSO         top

       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         top

       Howard Chu

COLOPHON         top

       This page is part of the OpenLDAP (an open source implementation of
       the Lightweight Directory Access Protocol) project.  Information
       about the project can be found at ⟨http://www.openldap.org/⟩.  If you
       have a bug report for this manual page, see
       ⟨http://www.openldap.org/its/⟩.  This page was obtained from the
       project's upstream Git repository
       ⟨git://git.openldap.org/openldap.git⟩ on 2018-02-02.  (At that time,
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OpenLDAP LDVERSION               RELEASEDATE                 SLAPO-SSSVLV(5)

Pages that refer to this page: slapd.overlays(5)

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