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Slave removal: remove slave from sentinel.conf when possible.

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All the occurrences translated, but the ones referring to SLAVEOF
must be intact because that describe the actual Sentinel -> Redis
protocol. In theory we could send REPLICAOF to Redis instances, but
actually this would prevent Sentinel to be compatible with older Redis
instances.
This commit is contained in:
antirez 2018-09-10 17:55:34 +02:00
parent ca6aed02f8
commit f74c7394d7
1 changed files with 18 additions and 18 deletions
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36
sentinel.conf
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@ -73,11 +73,11 @@ dir /tmp
# be elected by the majority of the known Sentinels in order to # be elected by the majority of the known Sentinels in order to
# start a failover, so no failover can be performed in minority. # start a failover, so no failover can be performed in minority.
# #
# Slaves are auto-discovered, so you don't need to specify slaves in # replicas are auto-discovered, so you don't need to specify replicas in
# any way. Sentinel itself will rewrite this configuration file adding # any way. Sentinel itself will rewrite this configuration file adding
# the slaves using additional configuration options. # the replicas using additional configuration options.
# Also note that the configuration file is rewritten when a # Also note that the configuration file is rewritten when a
# slave is promoted to master. # replica is promoted to master.
# #
# Note: master name should not include special characters or spaces. # Note: master name should not include special characters or spaces.
# The valid charset is A-z 0-9 and the three characters ".-_". # The valid charset is A-z 0-9 and the three characters ".-_".
@ -85,11 +85,11 @@ sentinel monitor mymaster 127.0.0.1 6379 2
# sentinel auth-pass <master-name> <password> # sentinel auth-pass <master-name> <password>
# #
# Set the password to use to authenticate with the master and slaves. # Set the password to use to authenticate with the master and replicas.
# Useful if there is a password set in the Redis instances to monitor. # Useful if there is a password set in the Redis instances to monitor.
# #
# Note that the master password is also used for slaves, so it is not # Note that the master password is also used for replicas, so it is not
# possible to set a different password in masters and slaves instances # possible to set a different password in masters and replicas instances
# if you want to be able to monitor these instances with Sentinel. # if you want to be able to monitor these instances with Sentinel.
# #
# However you can have Redis instances without the authentication enabled # However you can have Redis instances without the authentication enabled
@ -104,7 +104,7 @@ sentinel monitor mymaster 127.0.0.1 6379 2
# sentinel down-after-milliseconds <master-name> <milliseconds> # sentinel down-after-milliseconds <master-name> <milliseconds>
# #
# Number of milliseconds the master (or any attached slave or sentinel) should # Number of milliseconds the master (or any attached replica or sentinel) should
# be unreachable (as in, not acceptable reply to PING, continuously, for the # be unreachable (as in, not acceptable reply to PING, continuously, for the
# specified period) in order to consider it in S_DOWN state (Subjectively # specified period) in order to consider it in S_DOWN state (Subjectively
# Down). # Down).
@ -112,11 +112,11 @@ sentinel monitor mymaster 127.0.0.1 6379 2
# Default is 30 seconds. # Default is 30 seconds.
sentinel down-after-milliseconds mymaster 30000 sentinel down-after-milliseconds mymaster 30000
# sentinel parallel-syncs <master-name> <numslaves> # sentinel parallel-syncs <master-name> <numreplicas>
# #
# How many slaves we can reconfigure to point to the new slave simultaneously # How many replicas we can reconfigure to point to the new replica simultaneously
# during the failover. Use a low number if you use the slaves to serve query # during the failover. Use a low number if you use the replicas to serve query
# to avoid that all the slaves will be unreachable at about the same # to avoid that all the replicas will be unreachable at about the same
# time while performing the synchronization with the master. # time while performing the synchronization with the master.
sentinel parallel-syncs mymaster 1 sentinel parallel-syncs mymaster 1
@ -128,18 +128,18 @@ sentinel parallel-syncs mymaster 1
# already tried against the same master by a given Sentinel, is two # already tried against the same master by a given Sentinel, is two
# times the failover timeout. # times the failover timeout.
# #
# - The time needed for a slave replicating to a wrong master according # - The time needed for a replica replicating to a wrong master according
# to a Sentinel current configuration, to be forced to replicate # to a Sentinel current configuration, to be forced to replicate
# with the right master, is exactly the failover timeout (counting since # with the right master, is exactly the failover timeout (counting since
# the moment a Sentinel detected the misconfiguration). # the moment a Sentinel detected the misconfiguration).
# #
# - The time needed to cancel a failover that is already in progress but # - The time needed to cancel a failover that is already in progress but
# did not produced any configuration change (SLAVEOF NO ONE yet not # did not produced any configuration change (SLAVEOF NO ONE yet not
# acknowledged by the promoted slave). # acknowledged by the promoted replica).
# #
# - The maximum time a failover in progress waits for all the slaves to be # - The maximum time a failover in progress waits for all the replicas to be
# reconfigured as slaves of the new master. However even after this time # reconfigured as replicas of the new master. However even after this time
# the slaves will be reconfigured by the Sentinels anyway, but not with # the replicas will be reconfigured by the Sentinels anyway, but not with
# the exact parallel-syncs progression as specified. # the exact parallel-syncs progression as specified.
# #
# Default is 3 minutes. # Default is 3 minutes.
@ -200,7 +200,7 @@ sentinel failover-timeout mymaster 180000
# <role> is either "leader" or "observer" # <role> is either "leader" or "observer"
# #
# The arguments from-ip, from-port, to-ip, to-port are used to communicate # The arguments from-ip, from-port, to-ip, to-port are used to communicate
# the old address of the master and the new address of the elected slave # the old address of the master and the new address of the elected replica
# (now a master). # (now a master).
# #
# This script should be resistant to multiple invocations. # This script should be resistant to multiple invocations.
@ -228,7 +228,7 @@ sentinel deny-scripts-reconfig yes
# #
# In such case it is possible to tell Sentinel to use different command names # In such case it is possible to tell Sentinel to use different command names
# instead of the normal ones. For example if the master "mymaster", and the # instead of the normal ones. For example if the master "mymaster", and the
# associated slaves, have "CONFIG" all renamed to "GUESSME", I could use: # associated replicas, have "CONFIG" all renamed to "GUESSME", I could use:
# #
# sentinel rename-command mymaster CONFIG GUESSME # sentinel rename-command mymaster CONFIG GUESSME
# #