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| author | antirez <antirez@gmail.com> | 2014-01-31 11:12:34 +0100 |
|---|---|---|
| committer | antirez <antirez@gmail.com> | 2014-01-31 11:26:36 +0100 |
| commit | a7d30681c9977511951432a17a1e0805d303aa4b (patch) | |
| tree | 80e6549e4f13765912e4f87d15aeed786aa28e91 /redis.conf | |
| parent | 3ff1bb4b2e146f94672967f1a37bd01b83cd6150 (diff) | |
| download | redis-a7d30681c9977511951432a17a1e0805d303aa4b.tar.gz | |
Cluster: configurable replicas migration barrier.
It is possible to configure the min number of additional working slaves
a master should be left with, for a slave to migrate to an orphaned
master.
Diffstat (limited to 'redis.conf')
| -rw-r--r-- | redis.conf | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/redis.conf b/redis.conf index 7fb4e4953..620ff7bf6 100644 --- a/redis.conf +++ b/redis.conf @@ -551,6 +551,25 @@ lua-time-limit 5000 # # cluster-node-timeout 15000 +# Cluster slaves are able to migrate to orphaned masters, that are masters +# that are left without working slaves. This improves the cluster ability +# to resist to failures as otherwise an orphaned master can't be failed over +# in case of failure if it has no working slaves. +# +# Slaves migrate to orphaned masters only if there are still at least a +# given number of other working slaves for their old master. This number +# is the "migration barrer". A migration barrier of 1 means that a slave +# will migrate only if there is at least 1 other working slave for its master +# and so forth. It usually reflects the number of slaves you want for every +# master in your cluster. +# +# Default is 1 (slaves migrate only if their masters remain with at least +# one master). To disable migration just set it to a very large value. +# A value of 0 can be set but is useful only for debugging and dangerous +# in production. +# +# cluster-migration-barrier 1 + # In order to setup your cluster make sure to read the documentation # available at http://redis.io web site. |