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Monitoring Database Activity
412
Netscape Directory Server Administrator’s Guide • August 2002
•
Summary Information Table
•
Database Cache Information Table
•
Database File-Specific Table
General Information (Database)
The directory provides the following general database information:
•
Database—Identifies the type of database that you are monitoring.
•
Configuration DN—Identifies the distinguished name that you must use as a
search base to obtain these results using the
ldapsearch
command-line utility.
Summary Information Table
The Summary Information table provides the following information:
Table 12-5
Database Performance Monitoring - Summary Information
Performance Metric
Current Total
Readonly status
Indicates whether the database is currently in read-only mode. Your database is in
read-only mode when the
readonly
attribute is set to
on
.
Entry cache hits
Indicates the total number of successful entry cache lookups. That is, the total
number of times the server could process a search request by obtaining data from
the cache rather than by going to disk.
Entry cache tries
Indicates the total number of entry cache lookups since the directory was last
started. That is, the total number of search operations performed against your
server since server startup.
Entry cache hit ratio
Ratio that indicates the number of entry cache tries to successful entry cache
lookups. This number is based on the total lookups and hits since the directory
was last started. The closer this value is to 100% the better. Whenever a search
operation attempts to find an entry that is not present in the entry cache, the
directory has to perform a disk access to obtain the entry. Thus, as this ratio drops
towards zero, the number of disk accesses increases and directory search
performance drops.
To improve this ratio, you can increase the number of entries that the directory
maintains in the entry cache by increasing the value of the “Maximum Entries in
Cache” attribute. See “Tuning Database Performance,” on page 432 for
information on changing this value using the Server Console.
Current entry cache
size (in bytes)
Indicates the total size of directory entries currently present in the entry cache.
Содержание NETSCAPE DIRECTORY SERVER 6.1 - ADMINISTRATOR
Страница 1: ...Administrator s Guide Netscape Directory Server Version6 1 August 2002...
Страница 20: ...20 Netscape Directory Server Administrator s Guide August 2002...
Страница 24: ...24 Netscape Directory Server Administrator s Guide August 2002...
Страница 44: ...Starting the Server in Referral Mode 44 Netscape Directory Server Administrator s Guide August 2002...
Страница 78: ...Maintaining Referential Integrity 78 Netscape Directory Server Administrator s Guide August 2002...
Страница 142: ...Using Referrals 142 Netscape Directory Server Administrator s Guide August 2002...
Страница 162: ...Enabling and Disabling Read Only Mode 162 Netscape Directory Server Administrator s Guide August 2002...
Страница 278: ...Setting Resource Limits Based on the Bind DN 278 Netscape Directory Server Administrator s Guide August 2002...
Страница 336: ...Troubleshooting Replication Related Problems 336 Netscape Directory Server Administrator s Guide August 2002...
Страница 396: ...Configuring LDAP Clients to Use SSL 396 Netscape Directory Server Administrator s Guide August 2002...
Страница 418: ...Monitoring Database Link Activity 418 Netscape Directory Server Administrator s Guide August 2002...
Страница 440: ...Miscellaneous Tuning Tips 440 Netscape Directory Server Administrator s Guide August 2002...
Страница 442: ...442 Netscape Directory Server Administrator s Guide August 2002...
Страница 478: ...PTA Plug In Syntax Examples 478 Netscape Directory Server Administrator s Guide August 2002...
Страница 498: ...498 Netscape Directory Server Administrator s Guide August 2002...
Страница 512: ...Storing Information in Multiple Languages 512 Netscape Directory Server Administrator s Guide August 2002...
Страница 532: ...Searching an Internationalized Directory 532 Netscape Directory Server Administrator s Guide August 2002...
Страница 538: ...Examples of LDAP URLs 538 Netscape Directory Server Administrator s Guide August 2002...