Netscape NETSCAPE DIRECTORY SERVER 6.02, Руководство администратора

Страница: 408 / 568

Monitoring Database Activity
408 Netscape Directory Server Administrator’s Guide • May 2002
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
objectClass=*
• Search base:
cn=monitor,cn=
database_instance
,cn=ldbm database,
cn=plugins, cn=config,
where database_instance is the name of the database
that you want to monitor
• Search scope:
base
For example:
ldapsearch -h directory.example.com -s base -b
"cn=monitor,cn=Example,cn=ldbm database,cn=plugins, cn=config"
"objectclass=*"
In this example, the ldapsearch operation looks for the
Example
database. For
information on searching the directory, see “Using ldapsearch,” on page 504.
When you monitor your server’s activities, you see the following information:
•
database
: Identifies the type of database you are currently monitoring.
•
readonly
: Indicates whether the database is in read-only mode.
0
indicates
that the server is not in read-only mode,
1
indicates that it is in read-only
mode.
•
entrycachehits
: Provides the same information as described in Entry cache
hits in Table 12-5 on page 405.
•
entrycachetries
: Provides the same information as described in Entry cache
tries in Table 12-5 on page 405.
•
entrycachehitratio
: Provides the same information as described in “Entry
cache hit ratio,” on page 406 in Table 12-5.
Cache misses 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.
Pages read in Indicates the number of pages brought to the cache from this file.
Pages written out Indicates the number of pages for this file written from cache to disk.
Table 12-7
Database Performance Monitoring - Database File-Specific table (Continued)
Performance Metric Current Total