What Is Google BigTable?

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Like us, you always look for a new way to store data. It's not that we don't like our old methods—we do! But they don't seem to be able to hold as much information as we want them to. We were getting pretty desperate. We thought maybe we should start storing data on the backs of our employees or something, but then someone told us about Google BigTable. Google BigTable is a nonrelational, distributed and multi-layered data storage mechanism built on the proprietary Google storage technologies for most of the company's online and back-end applications/products. It provides scalable data architecture for substantial database infrastructures. Google BigTable is a NoSQL database that offers high availability and strong durability. It is designed to store massive amounts of data across clusters of commodity hardware. It is highly scalable, providing petabyte-scale data storage and retrieval. BigTable is fault-tolerant and robust since it maintains data integrity with checksums on data ingested. It is horizontally scalable, and it provides high availability with replicated data. Data is distributed across commodity hardware clusters, making it possible to expand capacity by adding more machines. Finally, BigTable is flexible, enabling you to load it up with the data model of your choice. Google BigTable is a persistent, sorted map. Each string in the map contains a row, columns (several types), and a timestamp value used for indexing. For example, the data string for a website is saved to BigTable as a row with columns for each piece of data: name, description, and author. The row has a unique ID, which allows us to access the data later. It is similar to what you see in spreadsheets with rows and columns, but instead of being saved in memory or on disk like spreadsheets are, they are kept on disk but still accessed quickly using this indexing technique. Google BigTable is like a giant library. You can find out which books are available and where to put them on the shelf, but you can only take them with you.

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