Friday, 3 May 2013

Azure SDK 2.0 - Quick Snapshot


 

Azure SDK 2.0 released 2 days ago pretty good features a lot of work done in Diagnostic areas this was long over due, high memory VM and the wondering Message Pump in Service Bus.

Here is a quick snapshot of the important features - Blog to Azure 2.0 Features

  • Stream Diagnostic Logging is a good feature looks like limited to Web Site - This may change are logging capabilities.
  • Cloud Service Support for High Memory VM instances 4 core x 28GB RAM (A6) and 8 core x 56GB RAM (A7) VM sizes.
  • Faster Deployment Support for Simultaneous Update Options- this is more of a parallel update if you cloud package consists of multiple web and worker roles this will do parallel update as opposed to earlier sequential
  • Cloud Services also has a separate diagnostic tab - The custom plan is pretty rich and enables fine grain control over error levels, performance counters, infrastructure logs, collection intervals and more.
  • View Diagnostic on a Live Service, the interesting part here is dynamically turn on detailed diagnostic capturing without having to redeploy.
  • Storage 2.0 looks a little improved with capabilities of create and delete Windows Azure tables from Visual Studio Explorer.
  • Service Bus Enhancement - Message Browse Support enables to view messages available in queue without locking the message or performing an explicit receive operation on it.

New Message Pump Programming Model - Similar to event driven or push based processing model approach support concurrent message processing & enables processing message at variable rate. This is a pure replacement to the polling based mechanism to a pure event driven approach.

// Example Code for Pump Programming Model

var eventDrivenMessagingOptions = new OnMessageOptions();

eventDrivenMessagingOptions.AutoComplete = true; – // This indicates post reading the message it’s removed from the queue

eventDrivenMessagingOptions.ExceptionReceived += OnExceptionReceived; à Cleaner Exception Management Handler

eventDrivenMessagingOptions.MaxConcurrentCalls = 5; // Multiple Readers at the same time

// Subscribe for messages.

var queueClient = QueueClient.Create("customers");

queueClient.OnMessage(OnMessageArrived, eventDrivenMessagingOptions);-//On MessageArrived is the Handler which is written when a message arrives.

Find example for the same here Message Pump Programming Sample

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