How much faster is Redis than MySQL?

Question

In terms of the efficiency of updating databases, Redis is superior to MySQL while SQLite is slowest. However, in terms of the efficiency of querying from databases, SQLite seems to be about ten times faster than Redis and MySQL.

How fast is Redis compared to database?

The general answer is that Redis 10 - 30% faster when the data set fits within working memory of a single machine.

Why is Redis faster than SQL?

In Redis, Read and Write operations are extremely fast because of storing data in primary memory. In RDBMS, Read and Write operations are slow because of storing data in secondary memory. Primary memory is in lesser in size and much expensive than secondary so, Redis cannot store large files or binary data.

Should I use Redis or MySQL?

I think you might want to use Redis for when you have a small-ish quantity of data that doesn't need the relational structure that MySQL offers, and requires fast access. This could for example be session data in a dynamic web interface that needs to be accessed often and fast.

How fast is Redis query?

Moreover Redis 4.0 is faster than 2.6 in many workloads. The test was done with 50 simultaneous clients performing 2 million requests.

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