Nsslapd-Idlistscanlimit; Nsslapd-Cache-Autosize - Red Hat DIRECTORY SERVER 7.1 Configuration

Database Plug-in Attributes
Valid Range:
Default Value:
Syntax:
Example:

nsslapd-idlistscanlimit

This performance-related attribute, present by default, specifies the number of
entry IDs that are searched during a search operation. If you attempt to set a value
that is not a number or is too big for a 32-bit signed integer, you will receive an
LDAP_UNWILLING_TO_PERFORM
explaining the problem.
It is advisable to keep the default value to improve search performance. For a
more detailed explanation of the effect of ID lists on search performance, see
chapter 10, "Managing Indexes," in the Red Hat Directory Server Administrator's
Guide.
Entry DN:
Valid Range:
Default Value:
Syntax:
Example:

nsslapd-cache-autosize

This performance tuning-related attribute, which is turned off by default,
specifies the percentage of free memory to use for all the combined caches. For
example, if the value is set to
would be claimed for the cache. If you plan to run other servers on the machine,
then the value will be lower. Setting the value to 0 turns off the cache autosizing
and uses the normal
attributes.
160 Red Hat Directory Server Configuration, Command, and File Reference • May 2005
-1 to maximum 32-bit integer in entries (where -1 is unlimited)
5000
Integer
nsLookthroughLimit: 5000
error message, with additional error information
cn=config,cn=ldbm database,cn=plugins,cn=config
100 to the maximum 32-bit integer value (2147483647) entry IDs
4000
Integer
nsslapd-idlistscanlimit: 4000
, then 80 percent of the remaining free memory
80
nsslapd-cachememsize
and
nsslapd-dbcachesize