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How to set the maximum memory occupied by redis

王林
Release: 2020-12-17 09:18:43
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How to set the maximum memory occupied by redis

Setting method:

(Learning video sharing: redis video tutorial)

Redis settings occupy a physical machine Maximum memory

#占用最大20G
maxmemory 20480mb
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Redis setting memory cannot be loaded, limited deletion is about to expire.

When the currently used memory exceeds the maxmemory limit, the active cleanup policy is triggered

  • volatile-lru: Only perform LRU on keys with an expiration time set (default value)

  • allkeys-lru: Delete the lru algorithm's

  • keyvolatile-random: Random deletion is about to expire

  • keyallkeys-random: Randomly delete

  • ##volatile-ttl: Delete the soon-to-expire

  • noeviction: Never expire, return error when mem_used memory The setting of maxmemory has been exceeded. For all read and write requests

  • #超过后删除即将过期的
    maxmemory-policy  volatile-ttl
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    Related recommendations:

    redis database tutorial

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