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Monitoring Database Activity
Database Performance Monitoring - Database Cache Information (Continued)
Table 12-6
Performance Metric
Read-only page evicts
Read-write page evicts
Database File-Specific Table
The directory displays a table for each index file that makes up your database. Each
of the tables provides the following information:
Table 12-7
Database Performance Monitoring - Database File-Specific table
Performance Metric
Cache hits
Cache misses
Pages read in
Pages written out
Monitoring Databases From the Command Line
You can monitor your directory's database activities from any LDAP client by
performing a search operation with the following characteristics:
•
Search for attribute
•
Search base:
cn=plugins, cn=config,
that you want to monitor
•
Search scope:
For example:
406
Netscape Directory Server Administrator's Guide • January 2002
Current Total
Indicates the number of read-only pages discarded from the cache to make
room for new pages.
Indicates the number of read-write pages discarded from the cache to make
room for new pages. This value differs from Pages Written Out in that these
are discarded read-write pages that have not been modified.
Current Total
Number of times that a search result resulted in a cache hit on this specific
file. That is, a client performs a search that requires data from this file and
the directory obtains the required data from the cache.
Number of times that a search result failed to hit the cache on this specific
file. That is, a search that required data from this file was performed and the
required data could not be found in the cache.
Indicates the number of pages brought to the cache from this file.
Indicates the number of pages for this file written from cache to disk.
objectClass=*
cn=monitor,cn=database_instance,cn=ldbm database,
base
where database_instance is the name of the database
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