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Document dynamic-hz in the example redis.conf.

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antirez 2018-07-30 13:50:15 +02:00
parent be28050ac0
commit 15be174cf1
1 changed files with 16 additions and 0 deletions
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redis.conf
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@ -1205,6 +1205,22 @@ client-output-buffer-limit pubsub 32mb 8mb 60
# 100 only in environments where very low latency is required. # 100 only in environments where very low latency is required.
hz 10 hz 10
# Normally it is useful to have an HZ value which is proportional to the
# number of clients connected. This is useful in order, for instance, to
# avoid too many clients are processed for each background task invocation
# in order to avoid latency spikes.
#
# Since the default HZ value by default is conservatively set to 10, Redis
# offers, and enables by default, the ability to use an adaptive HZ value
# which will temporary raise when there are many connected clients.
#
# When dynamic HZ is enabled, the actual configured HZ will be used as
# as a baseline, but multiples of the configured HZ value will be actually
# used as needed once more clients are connected. In this way an idle
# instance will use very little CPU time while a busy instance will be
# more responsive.
dynamic-hz yes
# When a child rewrites the AOF file, if the following option is enabled # When a child rewrites the AOF file, if the following option is enabled
# the file will be fsync-ed every 32 MB of data generated. This is useful # the file will be fsync-ed every 32 MB of data generated. This is useful
# in order to commit the file to the disk more incrementally and avoid # in order to commit the file to the disk more incrementally and avoid