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Understanding the bbconfig.cache Parameters

The bbconfig.cache parameters in the bb-config.properties file control how particular actions performed in Blackboard Learn use Ehcache. Blackboard does not recommend changing any of the default values for these parameters.

The following table lists each Blackboard Learn cache, the specific bbconfig.cache parameters that control each cache, and the actions users perform in Blackboard Learn that rely on the cache and its parameters. If extensive testing shows that these parameters should be changed for a particular environment, do so at your own risk.

Blackboard Learn Cache Parameters and Actions
Cache Name Parameter Section Actions Using Parameter Settings
Blog Entries bbconfig.cache.courseBlogEntry Enter blog view page
Delete entry
Post entry
Edit entry
Add comments
Blog Indexes bbconfig.cache.courseBlogIndexesCache Enter blog view page
Delete entry
Post entry
Edit entry
Blog Entry Comments bbconfig.cache.courseBlogEntryComments Enter blog view page
Delete entry
Post entry
Edit entry
Enter comments
Blog Entry Comment Dates bbconfig.cache.courseBlogCommentDates Enter blog view page
Delete entry
Post entry
Edit entry
Enter comments
Blog Contributors bbconfig.cache.courseBlogContributors Enter blog view page
Delete entry
Post entry
Edit entry
Enter comments
Add comments
Core bbconfig.cache.default Loaders
Persisters
Course bbconfig.cache.courseCache Login
Actions that courses loaded
Course Map bbconfig.cache.courseMapCache Selecting a course link from the My Institution or Courses tab
Discussion Board bbconfig.cache.dbCache Clicking the collect button for a given forum
Performing different sort, filter, and print operations on the Collection page
Navigation bbconfig.cache.navAppCache
bbconfig.cache.navItemCache
Almost every request that controls how links are rendered
Task bbconfig.cache.taskCache Course evaluation report
Batch course and user operations
Outcomes Assessment batch user cases
Deployment manager
Manage Materialized List
Manage surveys
Any message action related to discussion board