The best thing about this product is that it provides you all essential tools for building reliable ETL pipelines which are very flexible and can easily scale across clusters of servers. I have been using this tool since last few years and never faced any issue related to its reliability or functionality. I really like their approach towards customer support and also their dedication towards solving problems by constantly updating themselves according to market trends. It has solved my problem regarding how to build scalable ETL pipelines without having to worry much about performance issues.