From 6b5daa2df2a0711a25746cb025927dc3deb7717e Mon Sep 17 00:00:00 2001 From: antirez Date: Mon, 23 Jul 2012 12:54:52 +0200 Subject: First implementation of Redis Sentinel. This commit implements the first, beta quality implementation of Redis Sentinel, a distributed monitoring system for Redis with notification and automatic failover capabilities. More info at http://redis.io/topics/sentinel --- sentinel.conf | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 sentinel.conf (limited to 'sentinel.conf') diff --git a/sentinel.conf b/sentinel.conf new file mode 100644 index 000000000..0e7a95429 --- /dev/null +++ b/sentinel.conf @@ -0,0 +1,41 @@ +# Example sentienl.conf + +# sentinel monitor quorum. Tells Sentinel to monitor this +# slave, and to consider it in O_DOWN (Objectively Down) state only if at +# least two sentinels agree. +# +# Note: master name should not include special characters or spaces. +# The valid charset is A-z 0-9 and the three characters ".-_". +sentinel monitor mymaster 127.0.0.1 6379 2 + +# Number of milliseconds the master (or any attached slave or sentinel) should +# be unreachable (as in, not acceptable reply to PING, continuously, for the +# specified period) in order to consider it in S_DOWN state (Subjectively +# Down). +# +# Default is 30 seconds. +sentinel down-after-milliseconds mymaster 30000 + +# Specify if this Sentinel can start the failover for this master. +sentinel can-failover mymaster yes + +# How many slaves we can reconfigure to point to the new slave simultaneously +# during the failover. Use a low number if you use the slaves to serve query +# to avoid that all the slaves will be unreachable at about the same +# time while performing the synchronization with the master. +sentinel parallel-syncs mymaster 1 + +# Specifies the failover timeout in milliseconds. When this time has elapsed +# without any progress in the failover process, it is considered concluded by +# the sentinel even if not all the attached slaves were correctly configured +# to replicate with the new master (however a "best effort" SLAVEOF command +# is sent to all the slaves before). +# +# Also when 25% of this time has elapsed without any advancement, and there +# is a leader switch (the sentinel did not started the failover but is now +# elected as leader), the sentinel will continue the failover doing a +# "takeover". +# +# Default is 15 minutes. +sentinel failover-timeout mymaster 900000 + -- cgit v1.2.1