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Error: redis.exceptions.responseerror: value is not an integer or out of range

What's Causing This Error

This error occurs when trying to perform an operation that expects an integer value but receives a non-integer value or an integer outside the allowed range. For instance, if a Redis command requires a numerical argument to work correctly, but the input value is not a number or exceeds the maximum limit, this error may arise.

For example, you might receive this error message while attempting to increment a key with a value other than an integer. Additionally, this error may occur if you try to set a string value greater than 512MB.

Solution - Here's How To Resolve It

To fix this error, ensure that the value being passed is a valid integer and falls within the acceptable range. You can also use Redis' built-in data types such as strings, lists, sets, hashes, and sorted sets.

When you encounter this error while trying to increment a key, make sure the initial value of the key is either an integer or null. In case you are trying to set a string value, ensure it does not surpass the maximum limit of 512MB.

Lastly, when using Redis in non-string mode, be mindful of the type of data you are passing. Redis will automatically convert some data types to strings, so you should be aware of this conversion process to avoid any unintended consequences.

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Dragonfly is fully compatible with the Redis ecosystem and requires no code changes to implement.