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Creating and Maintaining Database Links
120
Netscape Directory Server Administrator’s Guide • August 2002
If the remote server does not respond before the
nsMaxResponseDelay
period has
passed, then an error is returned and the connection is flagged as down. All
connections between the database link and remote server will be blocked for 30
seconds, protecting your server from a performance degradation. After 30 seconds,
operation requests made by the database link to the remote server continue as
normal.
Both attributes are stored in the
cn=config,cn=chaining
database,cn=plugins,cn=config
entry. The following table describes the
attributes in more detail:
Managing Threaded Operations
Generally, Directory Server performs best using a limited number of threads for
processing operations. A limited number of threads can generally process
operations very quickly, preventing the queue of operations waiting for a free
thread from growing too long.
However, the database link forwards operations to remote servers for processing.
The database link contacts the remote server, forwards the operation, waits for the
result, and then sends the result back to the client application. The entire operation
can take much longer than a local operation.
Table 3-6
Database Link Processing Error Detection Parameters
Attribute Name
Description
nsMaxResponseDelay
Maximum amount of time it can take a remote server to
respond to an LDAP operation request made by a database
link before an error is suspected.This period is given in
seconds. The default delay period is 60 seconds.
Once this delay period has been met, the database link tests
the connection with the remote server.
nsMaxTestResponseDelay
Duration of the test issued by the database link to check
whether the remote server is responding. If a response from
the remote server is not returned before this period has
passed, the database link assumes the remote server is down
and the connection is not used for subsequent operations.
This period is given in seconds. The default test response
delay period is 15 seconds.
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...