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Caching Providers

Caching is a method that improves PDF Share Forms scalability and performance.

Detailed information about caching in SharePoint can be found in the following article: AppFabric and Distributed Cache Service.

When PDF Share Forms Information Worker is installed, it uses default SharePoint caching application - AppFabric Cache.

Although AppFabric is supported by Information Worker, Microsoft has announced the retirement of AppFabric 

Official Microsoft Support Lifecycle for Microsoft AppFabric 1.1 for Windows Server has been extended such that Mainstream Support will be provided until 4/11/2017 and Extended Support until 4/12/2022

Therefore, Microsoft recommends using alternative technologies for new applications. 

Best replacement application, that Microsoft suggests to use is Microsoft Azure Redis Cache or on premise caching solution Redis, which is open source product. Please see the following Microsoft article that describes Redis and  Microsoft Azure Redis Caching: Microsoft AppFabric 1.1 for Windows Server Ends Support

For SharePoint Enterprise we need on premise caching solution. Documentation and details can be found on Redis official site: Redis

In order to update AppFabric to version 1.1m use following link: Cumulative Update 7 for Microsoft AppFabric 1.1 for Windows Server

In order to install and start using Redis, follow these steps:

Step 1. Microsoft Azure Redis Cache can be downloaded by opening this link: Microsoft Azure Redis Cache for Windows. Download .msi file and start the setup

Click Next.

Step 2. Please read the End-User License Agreement and check the accept check box

Click Next.

Step 3. Choose installation destination folder

Check Add the Redis installation folder to the PATH environment variable if you want to run Redis from cmd. Click Next

Step 4. Specify port to run Redis on. By default it is 6379 but can be changed to any free port

Check Add an exception to the Windows Firewall. Click Next.

Step 5. Specify Maximal Memory limit for Redis Cache

It is used in order to configure Redis to use a specified amount of memory for the data set. Click Next.

Step 6. Start installation

Click Install.

Step 6.1 Installation begins

Step 7. After the installation is complete click Finish

Step 8. Open Central Administration → PDF Share Forms IW → choose Redis or Microsoft Azure Redis and write localhost:<port that was specified on step 4>

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Click Save.

 

Redis is configured and ready to be used with PDF Share Forms Information Worker.

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