Description

The ExperienceAnalytics.Sites, ExperienceAnalytics.DimensionItems and ExperienceAnalytics.DimensionKeys caches might be created multiple times instead of being reused. Messages similar to the following can appear in the Sitecore XP logs:

INFO  Cache created: 'ExperienceAnalytics.Sites' (max size: 1MB, running total: 2854MB)
...
INFO  Cache created: 'ExperienceAnalytics.Sites' (max size: 1MB, running total: 2855MB)

Solution

To resolve the issue, add an attribute of singleInstance="true" to the following nodes:

• Sitecore.ExperienceAnalytics.Aggregation.config
  sitecore/experienceAnalytics/aggregation/services/siteReader
• Sitecore.ExperienceAnalytics.Client.config
  sitecore/experienceAnalytics/client/services/siteReader
  sitecore/experienceAnalytics/client/services/hashKeysProvider
• Sitecore.ExperienceAnalytics.Reduce.config
  sitecore/experienceAnalytics/reduce/services/siteReader
• Sitecore.ExperienceAnalytics.WebAPI.config
  sitecore/experienceAnalytics/api/services/dimensionItemReader
  sitecore/experienceAnalytics/api/hashKeysProvider