440 Performance Tuning for Content Manager
multiple item types or within a single item types. The Library tab in the Search
Configuration dialog enables the user to identify whether the search will be
performed across all item types in the library or against a specific item type.
As with the standard search, searching across multiple item types requires the
search to be performed against multiple tables in the database. In contrast, when
the search is performed within a single item type, the database search is run
against a single table, resulting in increased responsiveness to the end user.
Using the case-insensitive search setting within the power search also results in
increased search results responsiveness. Performing case-insensitive searches
requires the database query to complete a full table scan instead of using the
database indexes. Use of database indexes improves response performance for
the search being performed.
Service manager
Document Manager services can be set to minimize resource utilization on the
Document Manager server.
Each Document Manager service has a login frequency setting. This setting
determines how often the service wakes up and checks for work. The installation
default for this setting is to check every 30 seconds.
The interval at which each service is set to process should be evaluated as part
of the overall optimization of the Document Manager server. If a service such as
Lifecycle or Rendition is not being utilized often or if there is no need to see
immediate action, then the frequency interval can be set higher.
Blackout periods should be set for times when system backups are performed.
Managing the services through the processing intervals and setting blackout
times contributes to system stability and responsiveness.
Setting processing intervals to longer durations frees up resources on the
Document Manager server for other operations and system needs. Configuring
blackouts to be in effect during database outage times (such as when the
database is being backed up) eliminate the effort and processing put forth on the
part of the server during those times to connect to a system that is unavailable.
Blackouts also contribute to system stability because the Document Manager
server will not encounter errors in trying to connect to an unavailable database.
All Document Manager services should be managed (stopped and started) by
Document Manager Service Manager. The service manager is designed to allow
the Document Manager services to complete any in-process work when a
service is stopped.
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