Azure Redis Cache with C# for Excessive-Efficiency Purposes

What’s Azure Redis Cache?

Azure Redis Cache is a totally managed, open-source, in-memory knowledge retailer based mostly on the Redis (Distant DIctionary Server) key-value database. It gives a robust caching answer that enables storing and retrieving knowledge shortly by maintaining it in reminiscence, enabling quicker entry in comparison with conventional databases. Azure Redis Cache presents options like knowledge partitioning, replication, persistence, and varied knowledge constructions reminiscent of strings, lists, units, and extra.

Establishing Azure Redis Cache

To get began with Azure Redis Cache, comply with these steps.

  1. Create an Azure Redis Cache occasion

    • Register to the Azure portal.
    • Navigate to ‘Create a useful resource’ > ‘Databases’ > ‘Redis Cache.’
    • Fill within the required particulars, reminiscent of useful resource group, cache identify, location, pricing tier, and extra.
    • Click on ‘Evaluation + create’ after which ‘Create’ to provision the cache.
  2. Retrieve Entry Keys

    • As soon as the Redis Cache is created, navigate to its useful resource web page.
    • Beneath ‘Settings,’ choose ‘Entry keys’ to acquire the connection strings.

Integrating Azure Redis with C#

Utilizing the StackExchange.Redis library, builders can seamlessly work together with Azure Redis Cache in C#. Guarantee to put in the StackExchange.Redis NuGet package deal in your undertaking.

This is a primary instance of how to connect with Azure Redis Cache and carry out operations utilizing C#.

utilizing StackExchange.Redis;
utilizing System;

class Program
    static void Predominant()
        // Substitute together with your Azure Redis Cache connection string
        string cacheConnection = "your_cache_connection_string";
        string cacheKey = "myKey";

        // Hook up with Azure Redis Cache
        ConnectionMultiplexer connection = ConnectionMultiplexer.Join(cacheConnection);
        IDatabase cache = connection.GetDatabase();

        // Set preliminary worth and expiration time for the important thing
        cache.StringSet(cacheKey, "Preliminary Worth", TimeSpan.FromMinutes(30)); // Set expiration time to half-hour

        // Operate to refresh the expiration time
        RefreshCacheKeyExpiration(cache, cacheKey, TimeSpan.FromMinutes(30)); // Refresh for an additional half-hour

    static void RefreshCacheKeyExpiration(IDatabase cache, string key, TimeSpan newExpiration)
        // Verify if the important thing exists
        if (cache.KeyExists(key))
            // Refresh the expiration time
            cache.KeyExpire(key, newExpiration);
            Console.WriteLine("Cache key expiration refreshed for " + key);
            Console.WriteLine("Key doesn't exist within the cache");

Within the code above, the RefreshCacheKeyExpiration methodology takes the cache object, the important thing to be refreshed, and the brand new expiration time as parameters. It checks if the important thing exists within the cache after which updates its expiration time utilizing KeyExpire. This motion ensures that the information related to the important thing stays within the cache for an extra specified period. This lets you reuse the tactic to refresh the expiration of various keys.

Modify the cacheKey variable and the expiration occasions to match your particular use case.

Finest Practices and Issues

  • Information Segregation: Make the most of totally different databases or namespaces inside Redis to separate various kinds of knowledge.
  • Error Dealing with: Implement sturdy error dealing with for network-related points and exceptions which may happen throughout interactions with the cache.
  • Connection Administration: Think about using ConnectionMultiplexer as a singleton to handle connections effectively.
  • Safety: Make sure the safety of connection strings and entry keys.


Azure Redis Cache, coupled with the pliability of C#, empowers builders to construct high-performance functions by leveraging in-memory caching. Understanding the combination of Azure Redis with C# allows environment friendly knowledge administration and retrieval, leading to responsive and scalable functions.

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