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Ceph: Designing and Implementing Scalable Storage Systems
book

Ceph: Designing and Implementing Scalable Storage Systems

by Michael Hackett, Vikhyat Umrao, Karan Singh, Nick Fisk
January 2019
Intermediate to advanced content levelIntermediate to advanced
606 pages
15h 1m
English
Packt Publishing
Content preview from Ceph: Designing and Implementing Scalable Storage Systems

Filestore limitations

Filestore was originally designed as an object store to enable developers to test Ceph on their local machines. Due to its stability, it quickly became the standard object store and found itself in use in production clusters throughout the world.

Initially, the thought behind filestore was that the upcoming B-tree file system (btrfs), which offered transaction support, would allow Ceph to offload the atomic requirements to btrfs. Transactions allow an application to send a series of requests to btrfs and only receive acknowledgement once all have been committed to stable storage. Without a transaction support, if there is an interruption halfway through a Ceph write operation, either the data or metadata could be missing ...

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Publisher Resources

ISBN: 9781788295413