In this blog post, we’ll discuss how to improve the performance of slow MySQL queries using Apache Spark. In my previous blog post, I wrote about using Apache Spark with MySQL for data analysis and showed how to transform and analyze a large volume of data (text files) with Apache Spark. Vadim also performed a benchmark comparing the performance of MySQL and Spark with Parquet columnar format (usi
![How Apache Spark makes your slow MySQL queries 10x faster](https://cdn-ak-scissors.b.st-hatena.com/image/square/7acfbadf7c592275fb128851b3ac8e514eec6b37/height=288;version=1;width=512/https%3A%2F%2Fwww.percona.com%2Fblog%2Fwp-content%2Fuploads%2F2016%2F08%2Fslow-MySQL-queries.jpg)