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Mastering Ceph

You're reading from   Mastering Ceph Redefine your storage system

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781785888786
Length 240 pages
Edition 1st Edition
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Author (1):
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Nick Fisk Nick Fisk
Author Profile Icon Nick Fisk
Nick Fisk
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Toc

Table of Contents (12) Chapters Close

Preface 1. Planning for Ceph FREE CHAPTER 2. Deploying Ceph 3. BlueStore 4. Erasure Coding for Better Storage Efficiency 5. Developing with Librados 6. Distributed Computation with Ceph RADOS Classes 7. Monitoring Ceph 8. Tiering with Ceph 9. Tuning Ceph 10. Troubleshooting 11. Disaster Recovery

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 that had stunted NewStore. The name BlueStore was a reflection of the combination of the words Block and NewStore:

Block+NewStore=BlewStore=BlueStore

BlueStore is designed to remove...

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