Load Testing with JMeter Advanced

In my previous post in this series on load testing I provided an introduction to JMeter to help get you started in this post I’ll explore the following topics and provide solutions to some challenges you may come across while creating your load tests.

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How to Prevent DEF from creating Duplicate items in Sitecore

I ran into an issue with Sitecore’s Data Exchange Framework v1.4.1 where my pipeline batches would intermittently create thousands of duplicate Sitecore items. This caused a bit of management overhead having to clean out the duplicates.  Following some investigation, I decided to add some defensive coding by introducing a Custom Resolve Sitecore Item Processor to replace Sitecore’s OOTB pipeline step and prevent duplicates from being created.

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Troubleshooting Sitecore Solr Index

I’ve worked on various Sitecore implementations where the customer has often run into issues with data not being returned as expected the first thing I do now to troubleshoot is to check the Solr Index.

Check Solr Is Up

  1. If you are not sure of the address of your Solr instance you can locate the url in the following configuration file app_config/includes/Sitecore.ContentSearch.Solr.DefaultIndexConfiguration.config and the setting, for example: <setting name=”ContentSearch.Solr.ServiceBaseAddress” value=”https://localhost:8983/solr“></setting>
  2. Use Solr Ping to check the status of the master solr index http://localhost:8983/solr/sitecore_master_index/admin/ping?wt=json
  3. You should receive the following output with the status of OK:
    SolrPing

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Handling failed messages with Deadletter Queue and Sitecore Workflow

In my last post, I implemented a message queue which decoupled our application and provided a level of redundancy for our messages. But what about messages that are not processed successfully? This could occur for a number of reasons there might be an issue with the consuming application, a network issue or even an invalid message request.

A Deadletter queue, also known as an undelivered-message queue is a holding queue for messages that cannot be delivered to their destination. They provide a mechanism for persisting your failed messages without continually trying to process the same message. The deadletter queue could then be monitored and any failed messages can be examined and appropriate corrective action taken.

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Produce and Consume Messages with Sitecore

In my previous post, I looked at message queues and how they can be utilized in your solution architecture. In the second part of this series, I will explore how you can add messages to a Message queue (Message Publisher) and Consume messages (Consumer) from a message queue with Sitecore and AWS SQS.

Using the example of an Events Booking site where a user finds an event they are interested in complete an event registration form which gets submitted to Event Bookings Application via an API. The Booking Application is known to go down and it is not uncommon to run into connection issue with the API causing booking requests to get lost. The Booking Application is old and unreliable and occasionally goes down.

By adding a Message Queue we decouple the website from the booking application and provide a level of resilience. If an outage does occur or there is an API connection issue instead of messages being lost they will be persisted on the queue. When the booking application comes back online or connection has been restored the messages on the queue will get processed.

SitecoreMessageQueues

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Sitecore Symposium 2018 Elevate the Experience

If you didn’t make it Sitecore Symposium or my presentation at the Cleveland Sitecore Usergroup then check out some highlights, key takeaways and discover how Sitecore Elevated my experience at Symposium!

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Sitecore’s CEO Mark Frost – kicked off the Opening Keynote, welcoming the 3000 in attendance representing 53 Countries.

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Mark introduce the theme for this year’s Symposium: Elevate the Experience.

“Because it is EXPERIENCES not products customers are buying today.” Mark Frost

  • Companies and customers have realized that the experience is the product.
  • This is a shift in thinking about transactions and purchases to thinking about building lifelong relationships between brands and customers.
  • Elevating the Brand experience is no longer a nice to have it is a must-have.

Mark wasted no time in diving into how Sitecore is going to Elevate the Experience!

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