January 2019
Intermediate to advanced
606 pages
15h 1m
English
book
Ceph: Designing and Implementing Scalable Storage Systems
by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
Content preview from Ceph: Designing and Implementing Scalable Storage Systems
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What is BlueStore?
BlueStore is a Ceph object store that is primarily designed to address the limitations of filestore, which, as of the Kraken release, is the current object store. Initially, a new object store was being developed to replace filestore, with a highly original name of NewStore. NewStore was a combination of RocksDB, a key value store to store metadata and a standard portable operating system interface (POSIX) filesystem for the actual objects. However, it quickly became apparent that using a POSIX filesystem still introduced high overheads, which was one of the key reasons from trying to move away from filestore.
Thus, BlueStore was born; using raw block devices in combination with RocksDB, a number of problems were solved ...
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