DS 7.1.8

changeNumber

The set of changes made to a directory server is given by the set of all entries in the changelog, ordered by changeNumber, which strictly increases for a given server. Note The changeNumber is unique to a server, and not necessarily shared or synchronized across servers. The change numbers for ForgeRock servers can be synchronized using the dsrepl reset-change-number command. ForgeRock servers also provide an alternative changeLogCookie attribute, which can be used reliably across a replicated topology. A client application may synchronize its local copy of directory data by reading the server’s changelog for entries where the changeNumber is greater than or equal to the last change that the client read from the server. A server can, however, trim its changelog. If the last change read from the changelog is not returned in search results, the client application must fall back to rebuilding its entire copy of directory data.

Origin

draft-good-ldap-changelog

Usage

userApplications

Description

a number which uniquely identifies a change made to a directory entry

OID

2.16.840.1.113730.3.1.5

Substring Matching Rule

caseExactSubstringsMatch

Equality Matching Rule

integerMatch

Single Value

true

Names

changeNumber

Ordering Matching Rule

integerOrderingMatch

User Modification Allowed

true

Used By

changeLogEntry

Schema File

03-changelog.ldif

Syntax

Integer

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