Help Center/ Distributed Cache Service/ FAQs/ Redis Usage/ Why Is Available Memory of Unused DCS Instances Less Than Total Memory and Why Is Memory Usage of Unused DCS Instances Greater Than Zero?

Updated on 2023-06-16 GMT+08:00

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Why Is Available Memory of Unused DCS Instances Less Than Total Memory and Why Is Memory Usage of Unused DCS Instances Greater Than Zero?

For DCS Redis 3.0 instances and Memcached instances, the available memory is less than the total memory because some memory is reserved for system overhead and data persistence (supported by master/standby instances). DCS instances use a certain amount of memory for Redis-server buffers and internal data structures. This is why memory usage of unused DCS instances is greater than zero. This problem will not occur on other instance versions.

Parent topic: Redis Usage

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