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Diffstat (limited to 'redis.conf')
| -rw-r--r-- | redis.conf | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/redis.conf b/redis.conf index 5cbc74bbd..886c64f21 100644 --- a/redis.conf +++ b/redis.conf @@ -602,6 +602,26 @@ slave-priority 100 # # maxmemory-samples 5 +# Starting from Redis 5, by default a slave will ignore its maxmemory setting +# (unless it is promoted to master after a failover or manually). It means +# that the eviction of keys will be just handled by the master, sending the +# DEL commands to the slave as keys evict in the master side. +# +# This behavior ensures that masters and slaves stay consistent, and is usually +# what you want, however if your slave is writable, or you want the slave to have +# a different memory setting, and you are sure all the writes performed to the +# slave are idempotent, then you may change this default (but be sure to understand +# what you are doing). +# +# Note that since the slave by default does not evict, it may end using more +# memory than the one set via maxmemory (there are certain buffers that may +# be larger on the slave, or data structures may sometimes take more memory and so +# forth). So make sure you monitor your slaves and make sure they have enough +# memory to never hit a real out-of-memory condition before the master hits +# the configured maxmemory setting. +# +# slave-ingore-maxmemory yes + ############################# LAZY FREEING #################################### # Redis has two primitives to delete keys. One is called DEL and is a blocking |