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Ceph Cookbook - Second Edition by Karan Singh, Michael Hackett, Vikhyat Umrao

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Deploying the experimental Ceph BlueStore

BlueStore is a new backend for the Ceph OSD daemons. Its highlights are better performance (roughly 2x for writes), full data checksumming, and built-in compression. Compared to the currently used FileStore backend, BlueStore allows for storing objects directly on the Ceph Block Device without requiring any filesystem interface. BlueStore is the new default storage backend for the Luminous (12.2.z) release and will be used by default when provisioning new OSDs. BlueStore is not considered production ready in Jewel and it is not recommended to run any production Jewel clusters with BlueStore as a backend.

Some of BlueStore's features and enhancements are:

  • RocksDB backend: Metadata is stored in a RocksDB ...

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