Welome to the DataStax Support Blog. Here you will find articles that cover the entire range of topics related to using DataStax Products, tips on best practices while using DataStax products, as well as insights on how to make your experience with Support as efficient and pleasant as possible.

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November 08, 2017 • By: Michael Perrone

Open Source Solr has an open ticket for adding docValues support to TextField that has not been acted on since it was filed in 2015, SOLR-8362. The main reason for taking a step into a discussion on the topic of docValues and TextField in Solr is that DataStax has provided support for docValues of TextField in DSE Search since DSE 4.7. However, there are some important details not to overlook.

October 23, 2017 • By: Jane Deng

DSE search doesn’t yet support indexing frozen maps. When people have map-like data and would like to use Solr Query, how could we make it possible? In this blog, we demonstrate two approaches.

October 18, 2017 • By: Nate Sanders

DataStax Enterprise has three mechanisms for making sure that your data stays in sync: hinted handoff, read repair, and anti-entropy repair.  Of these, read repair is probably the most misunderstood.  What follows is an approximate description.  The full behavior is quite complicated and depends on timing and the interactions of various mechanisms and is beyond the scope of this article.

October 03, 2017 • By: Erick Ramirez

One of the issues we constantly come across is users trying to perform a COUNT() in Cassandra. More often than not, the question they ask is "why does it timeout?". Why indeed? The answer to the question is simple enough but it requires understanding the fundamentals of distributed architectures and how Cassandra works.

September 18, 2017 • By: Sequoyha Pelletier

If you are looking for a blog post that has happy ending, then this is not for you. Not only is there no happy ending, there is no happy beginning and little if no happy events in the middle. If you are looking for a cheerful article on how to tune DSE so it is a shining example of perfection, you should go find another article on another website.