The Top 6 Free Redis Memory Analysis Tools

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When it comes to analyzing the memory usage of a Redis instance, there are lots of free and open-source tools in the market, along with a smattering of paid products. Some of the most popular ones are Jacks (of all trades fame), but if you’re looking for a deeper analysis of your memory problems, you might be better off with one of the more targeted, and lesser-known tools.

In this post, we’ve compiled a list of the top 6 free tools we found most useful in analyzing memory usage of our Redis instances:

Redis Memory Analyzer (RMA)
Redis Sampler
RDB Tools
Redis-Audit
Redis Toolkit
Harvest

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1) Redis Memory Analyzer

Redis Memory Analyzer (RMA) is one of the most comprehensive FOSS memory analyzers available for Redis. It supports three different levels of details:

Global – Overview of memory usage information.
Scanner – Highest level keyspace/prefix level memory usage information – in other words, the shortest common prefix is used.
RAM – Lowest level keyspace/prefix – in other words, the longest common prefix is used.

Each mode has its own uses- you can get further details in the RMA ReadMe.

RMA – Global Mode

In the global mode, RMA provides some high-level statistics, like the number of keys, …

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