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In this blog post, we’ll discuss how to improve the performance of slow MySQL queries using Apache Spark. Introduction In my previous blog post, I wrote about using Apache Spark with MySQL for data analysis and showed how to transform and analyze a...

Thanks to Alexander Rubin of Percona for allowing us to re-publish the post below! Apache Hadoop is commonly used for data analysis. It is fast for data loads and scalable. In a previous post I showed how to integrate MySQL with Hadoop. In this post...

Apache Hadoop is commonly used for data analysis. It is fast for data loads and scalable. In a previous post I showed how to integrate MySQL with Hadoop. In this post I will show how to export a table from  MySQL to Hadoop, load the data to Cloudera...

I have a table with some records with fields like name, rating etc. I first want to sort based on rating limiting results to 20 and then on this resultset want to further apply sort based on name. I know to sort we need to use the query like "Select...

Just started to put together a new Joomla 3.2 site and installed K2. Have about seven items in K2 and now every time I click on Items I get the following error: An error has occurred. 1104 The SELECT would examine more than MAX_JOIN_SIZE rows; check...