What does distributed cache do?
A distributed cache is a system that pools together the random-access memory (RAM) of multiple networked computers into a single in-memory data store used as a data cache to provide fast access to data.
What happens if the distributed cache is stopped?
When the Distributed Cache service is stopped, tags and document activities are lost. When the Distributed Cache service is started, repopulation occurs when the feed cache repopulation timer job runs.
How do you clear the distributed cache in SharePoint 2013?
Description. Use the Clear-SPDistributedCacheItems cmdlet to clear cached items from the distributed cache server. For permissions and the most current information about Windows PowerShell for SharePoint Products, see the online documentation at SharePoint Server Cmdlets.
What is distributed cache cluster?
Any server in the farm running the Distributed Cache service is known as a cache host. A cache cluster is the group of all cache hosts in a SharePoint Server farm. A cache host joins a cache cluster when a new application server running the Distributed Cache service is added to the farm.
What is Redis Distributed Cache?
Redis is an in-memory data store that is most often used as a distributed cache. It offers a variety of efficient data structures designed to allow brutally fast access to your data. Redis has the option to also persist to a disk so the cache isn’t lost if the server restarts.
What is Distributed Cache in SharePoint 2013?
The Distributed Cache service, which is built on Windows Server AppFabric Cache, is set to run in a collocated mode on all SharePoint 2013 Servers by default, using up to 10% of the server’s total physical memory.
Why Redis is called distributed cache?
Redis is an in-memory data store that is most often used as a distributed cache. It offers a variety of efficient data structures designed to allow brutally fast access to your data.
What is the distributed cache (DC)?
One of the good things with the Distributed Cache is that is not a SharePoint service, it is a standalone service called AppFabric 1.1 for Windows Server. Initially the guidance from Microsoft was that the Distributed Cache (DC) would be patched together with SharePoint and we should keep our hands off it.
What is the distributed cache in SharePoint 2013?
In SharePoint 2013 the Distributed Cache plays a very important role, it is a key component for performance and caching. An incorrectly configured or managed Distributed Cache will cause issues, with your farm.
Why is my distributed cache so slow?
An incorrectly configured or managed Distributed Cache will cause issues, with your farm. I’ve even seen blogs recommending turning it off, most likely due to that they don’t manage the cache properly and get into a situation where it causes even worse performance problems.
How to check the patch level of the distributed cache?
If you want to automate checking the patch level of the Distributed Cache then the only way I’ve found (if someone has a better way, please enlighten me) is to actually check the version of one specific file, the Microsoft.ApplicationServer.Caching.Configuration.dll file.