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What is Distributed (AppFabrikCache)Cache Service?

Posted By:Sagar Pardeshi       Posted Date: October 31, 2014    Points: 200    Category: SharePoint    URL: http://www.dotnetspark.com  

In working with a client on their multi-server SharePoint 2013 farm, there were some configuration changes that needed to be made to their Distributed Cache cluster / setup
 

Introduction

The Distributed Cache service provides caching features in SharePoint Server 2013. The microblog features and feeds rely on the Distributed Cache to store data for very fast retrieval across all entities. The Distributed Cache service is built on Windows Server AppFabric, which implements the AppFabric Caching service. Windows Server AppFabric installs with the prerequisites for SharePoint Server 2013. The Distributed Cache service provides in-memory caching services to several features in SharePoint Server 2013. Some of the features that use the Distributed Cache service include: 
· Newsfeeds
· Authentication
· OneNote client access
· Security Trimming
· Page load performance

In SharePoint Server 2013, there are several caches that exist, all of which depend on the Distributed Cache service.
Different caches that depend on the Distributed Cache service as indicated in the following table:

Name

Cache name

Login Token Cache

DistributedLogonTokenCache

Feed Cache

DistributedActivityFeedCache

This cache stores activities and conversations for use by the feeds on a user's My Site.

Last Modified Time Cache

DistributedActivityFeedLMTCache

This cache stores time stamp information for all Feed Cache entities

OneNote Throttling

DistributedBouncerCache

Access Cache

DistributedAccessCache

Search Query Web Part

DistributedSearchCache

Security Trimming Cache

DistributedSecurityTrimmingCache

App Token Cache

DistributedServerToAppServerAccessTokenCache

View State Cache

DistributedViewStateCache

Default Cache

DistributedDefaultCache

This cache can be used by any feature.

 

 























The microblog features and feeds rely on the following two caches: the Last Modified Time Cache and the Feed Cache.

  • Feed Cache   The Feed Cache stores recent activities and recent conversations for all entities
  • Last Modified Time Cache   The Last Modified Time Cache is used to determine the last modified time for all items in the Feed Cache.

 

Source: http://technet.microsoft.com/en-us/library/jj219700.aspx


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