Windows Azure Cache - retrieve all named regions RRS feed

  • Question

  • Hi all,

    I created regions in the default cache. Let's assume one of the regions was named "xyz". When I use GetSystemRegions, I don't get the "xyz" region back, I get a list of default regions. I don't get the region named "xyz". Is there a way to get that out?

    DataCache testCache = new DataCache("default");

    IEnumerable<string> cacheRegions = testCache.GetSystemRegions();

    foreach (var item in cacheRegions)

    Sunday, April 20, 2014 1:06 AM

All replies

  • Hi,

    Firstly, please make sure you used azure In-Role cache not azure sharing cache . Because Sharing cache didn't support this method (http://msdn.microsoft.com/library/azure/gg278350.aspx ),see this case (http://stackoverflow.com/questions/11179429/azure-createregion-this-operation-is-not-supported-by-the-cache ).

    Secondly, It seems like your code is right. I suggest you could try to store the data into regions and try to retrieve it again. Like this:

    //store data into cache
    DataCache dc = new DataCache(“default”);
    new List<DataCacheTag>()
           new DataCacheTag(“music”),
           new DataCacheTag(“europe”),
    new List<DataCacheTag>()
           new DataCacheTag(“IT Company”),
           new DataCacheTag(“europe”),
    //retrieve data 
    foreach (string region in dc.GetSystemRegions())
            foreach (var item in dc.GetObjectsInRegion(region))
                Console.WriteLine("data item ('{0}','{1}') in region {2} of cache {3}", item.Key, item.Value.ToString(), region, "default");
    Also, I suggest you could refer to this code sample from (http://stackoverflow.com/questions/17546240/how-to-read-all-the-items-present-in-an-appfabric-cache )

    Please try it.



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    Monday, April 21, 2014 7:21 AM
  • Hi Will,

    Here is some background information about the cache I am using. I am using Cache (Preview) which has three offerings : Basic, Standard and Premium. I created a cache of 1 GB using the Standard offering in Cache (Preview). http://msdn.microsoft.com/en-us/library/dn386114.aspx 

    I used the code that you have listed in  your email, but it did not return the inserted items. While debugging, the regions iterate from Default_Region_0000 through Default_Region_0059. At the same time, it does not throw any errors.

    I am a bit confused here. I went through your links. The link http://blogs.msdn.com/b/avkashchauhan/archive/2012/06/18/difference-between-windows-azure-cache-preview-and-windows-azure-share-cache.aspx it has a section "Windows Azure Cache (Dedicated and Co-located) Preview:"

    Since I am using the Cache Preview, I am not sure if I am using dedicated or shared caching? The way I am testing / using the cache is by creating the 1 GB Standard offering through cache (preview), followed by creating a console app, pointing to the cache using app.config settings and using the methods. Based on the information provided, I am not sure what flavor of Azure caching I am using. Shared / Not Shared? Dedicated / Co-located? it will be great if you can clarify.


    Monday, April 21, 2014 3:56 PM