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Is it possible to get a Redis key even if it's expired(but still exists in Redis)?

Since the Redis expires keys in passive and active way,

Is there any way to get a key even if its expire time has passed(but still exists in Redis)?

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  1. 0

    No, there isn’t. The key (and its value) will be expired automatically eventually, or upon trying to access it (i.e. passively or actively).

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  2. 0

    DEBUG OBJECT myKey will return info about the key even when it is expired timewise – if it has not been garbage-collected (actively-expired) or passively-expired (accessed) yet.

    To test this, you can disable the background (active) expiring with DEBUG SET-ACTIVE-EXPIRE 0. Use carefully. Restore with DEBUG SET-ACTIVE-EXPIRE 1

    Note the DEBUG OBJECT myKey returns the memory address, so if you really need to see the value, you’ll have to explore the RAM contents.

    > DEBUG OBJECT myKey
Value at:0x7fff70629920 refcount:1 encoding:embstr serializedlength:4 ...

    DEBUG OBJECT myKey returns (error) ERR no such key if it has been expired already, actively or passively, or if it doesn’t exist of course.

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