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Monitoring Database Activity
406
Netscape Directory Server Administrator’s Guide • May 2002
Database Cache Information Table
The Database Cache Information table provides caching information listed in
Table 12-6.
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 424 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.
Maximum entry cache
size (in bytes)
Indicates the size of the entry cache maintained by the directory. This value is
managed by the “Maximum Cache Size” attribute. See “Tuning Database
Performance,” on page 424 for information on changing this value using the
Server Console.
Current entry cache
size (in entries)
Indicates the total number of directory entries currently present in the entry
cache.
Maximum entry cache
size (in entries)
Indicates the maximum number of directory entries that can be maintained in the
entry cache. This value is managed by the “Maximum Entries in Cache” attribute.
See “Tuning Database Performance,” on page 424 for information on changing
this value using the Server Console.
Table 12-5
Database Performance Monitoring - Summary Information (Continued)
Performance Metric
Current Total
Summary of Contents for NETSCAPE DIRECTORY SERVER 6.02
Page 1: ...Administrator s Guide Netscape Directory Server Version6 02 May 2002 ...
Page 16: ...16 Netscape Directory Server Administrator s Guide May 2002 ...
Page 20: ...20 Netscape Directory Server Administrator s Guide May 2002 ...
Page 74: ...Maintaining Referential Integrity 74 Netscape Directory Server Administrator s Guide May 2002 ...
Page 138: ...Using Referrals 138 Netscape Directory Server Administrator s Guide May 2002 ...
Page 432: ...Miscellaneous Tuning Tips 432 Netscape Directory Server Administrator s Guide May 2002 ...
Page 434: ...434 Netscape Directory Server Administrator s Guide May 2002 ...
Page 468: ...PTA Plug In Syntax Examples 468 Netscape Directory Server Administrator s Guide May 2002 ...
Page 488: ...488 Netscape Directory Server Administrator s Guide May 2002 ...
Page 528: ...Examples of LDAP URLs 528 Netscape Directory Server Administrator s Guide May 2002 ...