man/man5/slapd-wt.5

     SLAPD-WT 5 "RELEASEDATE" "OpenLDAP LDVERSION"
 Copyright 2011-2021 The OpenLDAP Foundation All Rights Reserved.
 Copying restrictions apply. See COPYRIGHT/LICENSE.
 $OpenLDAP$
 NAME
slapd-wt - WiredTiger backend to slapd
 SYNOPSIS
 ETCDIR/slapd.conf  DESCRIPTION
The wt backend to
 slapd (8) uses WiredTiger database library to store data.

The wt backend is experimental module that have potential high
write performance and high concurrency performance.
This backend have not some basic feature yet. Please backup data using
slapcat before update the module.

 CONFIGURATION
These
 slapd.conf options apply to the wt backend database.
That is, they must follow a "database wt" line and
come before any subsequent "backend" or "database" lines.
Other database options are described in the
 slapd.conf (5) manual page.

 directory  <directory> Specify WiredTiger home directory that containing this database and
associated indexes live.
A separate directory must be specified for each database.
The default is
 LOCALSTATEDIR/openldap-data .
wtconfig {create,cache_size=512M,async=(enabled)}
Specify configuration for wiredtiger, This parameter is pass to
 wiredtiger_open (3).

 create create the database if it does not exist.


 cache_size maximum heap memory to allocate for the cache.


 async asynchronous operations configuration options. disabled by default.


index {<attrlist>|default} [pres,eq,approx,sub,<special>]
Specify the indexes to maintain for the given attribute (or
list of attributes).
Some attributes only support a subset of indexes.
If only an <attr> is given, the indices specified for default
are maintained.
Note that setting a default does not imply that all attributes will be
indexed. Also, for best performance, an
 eq index should always be configured for the
 objectClass attribute.

 ACCESS CONTROL
The
 wt backend honors access control semantics as indicated in
 slapd.access (5).  FILES

 ETCDIR/slapd.conf default
 slapd configuration file
 SEE ALSO
 slapd.conf (5),  slapd-config (5),  slapd (8),  slapadd (8),  slapcat (8),  slapindex (8),  slapmodify (8), WiredTiger documentation.
 ACKNOWLEDGEMENTS
.so  ../Project
Written by HAMANO Tsukasa <hamano@osstech.co.jp>.