Service manual

Multi-Master Replication Change Logging
Chapter 8 Tuning Logging 145
Refer to the Sun ONE Directory Server Reference Manual for details concerning
individual configuration attributes.
Multi-Master Replication Change Logging
Directory Server uses a replication changelog to enable synchronization between
replicas. Refer to the Sun ONE Directory Server Deployment Guide for an discussion
of the changelog and to the Sun ONE Directory Server Reference Manual for
configuration details. Table 8-5 provides further recommendations for specific
attributes.
nsslapd-infolog-level Specifies the level of informational logging used.
Leave at 0 (default) unless debugging a component
for which setting nsslapd-infolog-area alone
fails to generate sufficient detail.
Table 8-5 Tuning Recommendations for Multi-Master Change Logging
Configuration Entry DN and Configuration Attribute Short Description and Tuning Recommendations
dn: cn=changelog5,cn=config
nsslapd-cachememsize
Specifies thechangelog database cache size.
Consider changing this from the default of 10 MB for
high volume deployments.
dn: cn=changelog5,cn=config
nsslapd-changelogdir
Specifies the path and filenameof the changelog
database.
Consider putting the changelog on its own disk or
disk subsystem, with its own controller. A large I/O
buffer can help.
dn: cn=changelog5,cn=config
nsslapd-changemaxage
Specifies the maximum age for entries in the
changelog.
Change thisfrom0 (default, indicating no maximum)
to an interval after which replicated servers are fully
synchronized and the changelog may be trimmed.
Table 8-4 Tuning Recommendations for Error Logging (Continued)
Configuration Attribute (on dn: cn=config) Short Description and Tuning Recommendations