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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Tuning tiering
Unlike the majority of Cephs features, which by default perform well for a large number of workloads, Cephs tiering functionality requires careful configuration of its various parameters to ensure good performance. You should also have a basic understanding of your workloads I/O profile; tiering will only work well if your data has a small percentage of hot data. Workloads that are uniformly random or involve lots of sequential access patterns will either show no improvement or in some cases may actually be slower.
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