meaning of eviction in redis

[Parveen Jain]

What is the meaning of key eviction in redis(http://redis.io/topics/lru-cache) ? Does it mean that keys will be deleted or does it mean that the keys will go to disk(being removed from main memory) ?
If its meant for disk save(removing it from main memory), is there a specific command to achieve the same ?

Regards,
Parveen Jain

[Greg Andrews]

Evict means redis-server will remove keys from memory.

The redis-server code discused on this list does not move keys to disk and move them back again.  The keys in memory are the only keys that exist.  (the code will save keys to disk only for crash recovery purposes)

A few people have forked the code and made revisions to move keys to/from memory, but that's not what the documentation at http://redis.io/ is describing.

  -Greg

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