Shulou(Shulou.com)05/31 Report--

This article mainly introduces what the RGW Cache class is used for, and has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.

Cache in RGW is implemented by the RGW Cache class. The main function of Cache is to provide a cache, so that objects in the cache can have better read and write performance. For objects that do not exist in the client read/write cache, the object information needs to be read from the Ceph cluster, and then the object information is updated to the cache to improve the performance of subsequent read/write operations.

The following diagram depicts the RGW Cache main classes and their corresponding class diagrams.

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