Manual Pages for UNIX Darwin command on man slapd-ldbm

SLAPD-LDBM(5) SLAPD-LDBM(5)

NAME

slapd-ldbm - LDBM backend to slapd

SYNOPSIS

/etc/openldap/slapd.conf

DESCRIPTION

The LDBM backend to ssllaappdd(8) is the database backend which is easiest to configure. However, it does not offer the data durability features of the BDB backend. It uses Berkeley DB or GDBM to store data. It makes extensive use of indexing and caching to speed data access. CCOONNFFIIGGUURRAATTIIOONN These ssllaappdd..ccoonnff options apply to the LDBM backend database. That is, they must follow a "database ldbm" line and come before any subsequent "backend" or "database" lines. Other database options are described in the ssllaappdd..ccoonnff(5) manual page. ccaacchheessiizzee <>

Specify the size in entries of the in-memory cache maintained by

the LDBM backend database instance. The default is 1000 entries. ddbbccaacchheessiizzee <>

Specify the size in bytes of the in-memory cache associated with

each open index file. If not supported by the underlying data-

base method, this option is ignored without comment. The default is 100000 bytes. ddbbnnoolloocckkiinngg Specify that no database locking should be performed. Enabling

this option may improve performance at the expense of data secu-

rity. Do NOT run any slap tools while slapd is running. ddbbnnoossyynncc

Specify that on-disk database contents should not be immediately

synchronized with in memory changes. Enabling this option may improve performance at the expense of data security. ddbbssyynncc <> <> <> Flush dirty database buffers to disk every <> seconds. Implies ddbbnnoossyynncc (ie. indvidual updates are no longer written to

disk). It attempts to avoid syncs during periods of peak activ-

ity by waiting <> seconds if the server is busy, repeating this delay up to <> times before proceeding. It is an attempt to provide higher write performance with some amount of data security. Note that it may still be possible to get an inconsistent database if the underlying engine fills its cache and writes out individual pages and slapd crashes or is killed before the next sync. <> and <> are optional and default to 1122 and 55 respectively, giving a total elapsed delay of 60 seconds before a sync will occur. <> may be zero, and <> must be 1 or greater. ddiirreeccttoorryy <>

Specify the directory where the LDBM files containing this data-

base and associated indexes live. A separate directory must be

specified for each database. The default is //vvaarr//ddbb//ooppeennll-

ddaapp//ooppeennllddaapp-ddaattaa.

iinnddeexx {{<>||ddeeffaauulltt}} [[pprreess,,eeqq,,aapppprrooxx,,ssuubb,,<>]] Specify the indexes to maintain for the given attribute (or list of attributes). Some attributes only support a subset of indexes. If only an is given, the indices specified for ddeeffaauulltt are maintained. Note that setting a default does not imply that all attributes will be indexed. A number of special index parameters may be specified. The index type ssuubb can be decomposed into ssuubbiinniittiiaall, ssuubbaannyy, and ssuubbffiinnaall indices. The special type nnoottaaggss (or nnoollaanngg) may be specified to disallow use of this index by subtypes with tagging options (such as language options). The special type nnoossuubbttyyppeess

may be specified to disallow use of this index by named sub-

types. Note: changing index settings requires rebuilding indices, see ssllaappiinnddeexx(8). mmooddee <> Specify the file protection mode that newly created database index files should have. The default is 0600. FILES /etc/openldap/slapd.conf default slapd configuration file