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Updated: Thursday, June 13, 2019
 
 

slapo-syncprov (5oldap)

Name

slapo-syncprov - Sync Provider overlay to slapd

Synopsis

/etc/openldap/slapd.conf

Description

SLAPO-SYNCPROV(5oldap)                                  SLAPO-SYNCPROV(5oldap)



NAME
       slapo-syncprov - Sync Provider overlay to slapd

SYNOPSIS
       /etc/openldap/slapd.conf

DESCRIPTION
       The  Sync Provider overlay implements the provider-side support for the
       LDAP Content Synchronization (RFC4533) as well as syncrepl  replication
       support.   The  overlay  can  be  used  with any backend that maintains
       entryCSN and entryUUID attributes for its entries. It  also  creates  a
       contextCSN attribute in the root entry of the database.

       The  contextCSN  is updated for every write operation performed against
       the database. To reduce database contention,  the  contextCSN  is  only
       updated in memory. The value is written to the database on server shut-
       down and read into memory on startup, and maintained in  memory  there-
       after.  Checkpoints  may be configured to write the contextCSN into the
       underlying database to minimize recovery time after  an  unclean  shut-
       down.

       On  databases  that support inequality indexing, it is mandatory to set
       an eq index on the entryCSN attribute when using this overlay.

CONFIGURATION
       These slapd.conf options apply to  the  Sync  Provider  overlay.   They
       should appear after the overlay directive.

       syncprov-checkpoint <ops> <minutes>
              After  a  write operation has succeeded, write the contextCSN to
              the underlying database if <ops> write operations or  more  than
              <minutes>  time  have  passed  since the last checkpoint. Check-
              pointing is disabled by default.

       syncprov-sessionlog <ops>
              Configures an in-memory session log  for  recording  information
              about  write  operations made on the database.  The <ops> speci-
              fies the number of operations that are recorded in the log.  All
              write  operations  (except  Adds) are recorded in the log.  When
              using the session log, it is helpful to set an eq index  on  the
              entryUUID attribute in the underlying database.

       syncprov-nopresent TRUE | FALSE
              Specify  that the Present phase of refreshing should be skipped.
              This value should only be set TRUE for a  syncprov  instance  on
              top  of  a  log  database  (such as one managed by the accesslog
              overlay).  The default is FALSE.

       syncprov-reloadhint TRUE | FALSE
              Specify that the overlay should honor the reloadHint flag in the
              Sync Control. It must be set TRUE when using the accesslog over-
              lay for delta-based syncrepl replication support.   The  default
              is FALSE.

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


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+-------------------------------+
       |ATTRIBUTE TYPE |       ATTRIBUTE VALUE         |
       +---------------+-------------------------------+
       |Availability   | service/network/ldap/openldap |
       +---------------+-------------------------------+
       |Stability      | Pass-through uncommitted      |
       +---------------+-------------------------------+
SEE ALSO
       slapd.conf(5),  slapd-config(5), slapo-accesslog(5).  OpenLDAP Adminis-
       trator's Guide.

ACKNOWLEDGEMENTS
       OpenLDAP Software is developed and maintained by The  OpenLDAP  Project
       <http://www.openldap.org/>.  OpenLDAP Software is derived from the Uni-
       versity of Michigan LDAP 3.3 Release.



NOTES
       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source was downloaded from   ftp://ftp.openldap.org/pub/OpenLDAP/openl-
       dap-release/openldap-2.4.46.tgz

       Further information about this software can be found on the open source
       community website at http://www.openldap.org/.



OpenLDAP 2.4.46                   2018/03/22            SLAPO-SYNCPROV(5oldap)