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hello friends welcome to tech greens and in this edition of mastering Hadoop file system today we will discuss one of the storage formats who are see in detail so this video is about oversee internals so lets see guys what is Ohashi file format so was he stands for optimized row columnar file system so this is the file system now maintained by Apache initially it was developed by Haughton works for the hive ecosystem and this was primarily developed to overcome and give the original performances on top of the existing high file systems which was RC file system row columnar file system so to have a better optimized performance with the hive processing system was he was developed now this is a de facto preferred format with the high processing and why it works no gives better performance with high is because hive has a vectorized RC reader this vectorized o RC reader means they have a system which can acknowledge the indexes the lightweight indexes which are developed and written with t