How Google Stores a Planet: The GFS, Explained
Hello, I'm Maneshwar, and I'm building LiveReview — a blast-radius aware AI code review built for your business-critical systems. Star us to help devs discover the project, give it a try, and share your feedback to help improve the product. Roughly 720,000 hours of video get uploaded to YouTube every day. Call it 1,000 terabytes. Tomorrow, another 1,000. The day after, another. To hold that you…
Maneshwar is constructing a tool named LiveReview, an AI code review system designed for business-critical software. Every day, YouTube uploads around 720,000 hours of video content, equivalent to 1,000 terabytes. The following day, another 1,000 terabytes will be added. To accommodate this data, hundreds of thousands of computers with numerous drives need to be maintained.
Unfortunately, a failure occurs within such a large system almost constantly. Google's 2003 File System paper highlights that component failures are the norm, not the exception. This concept forms the foundation of Google File System (GFS), which later evolved into Hadoop Distributed File System (HDFS), the storage layer used by the large-scale data industry for many years.
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