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Update redis cluster documentation

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Signed-off-by: Morris Jobke <hey@morrisjobke.de>
This commit is contained in:
Morris Jobke 2017-05-11 17:02:49 -05:00
parent 23b6f0e4d7
commit 8a05d22be7
1 changed files with 10 additions and 2 deletions
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12
config/config.sample.php
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@ -1062,8 +1062,16 @@ $CONFIG = array(
* *
* Available failover modes: * Available failover modes:
* - \RedisCluster::FAILOVER_NONE - only send commands to master nodes (default) * - \RedisCluster::FAILOVER_NONE - only send commands to master nodes (default)
* - \RedisCluster::FAILOVER_ERROR - failover to slaves for read commands if master is unavailable * - \RedisCluster::FAILOVER_ERROR - failover to slaves for read commands if master is unavailable (recommended)
* - \RedisCluster::FAILOVER_DISTRIBUTE - randomly distribute read commands across master and slaves * - \RedisCluster::FAILOVER_DISTRIBUTE - randomly distribute read commands across master and slaves
*
* WARNING: FAILOVER_DISTRIBUTE is a not recommended setting and we strongly
* suggest to not use it if you use Redis for file locking. Due to the way Redis
* is synchronised it could happen, that the read for an existing lock is
* scheduled to a slave that is not fully synchronised with the connected master
* which then causes a FileLocked exception.
*
* See https://redis.io/topics/cluster-spec for details about the Redis cluster
*/ */
'redis.cluster' => [ 'redis.cluster' => [
'seeds' => [ // provide some/all of the cluster servers to bootstrap discovery, port required 'seeds' => [ // provide some/all of the cluster servers to bootstrap discovery, port required
@ -1072,7 +1080,7 @@ $CONFIG = array(
], ],
'timeout' => 0.0, 'timeout' => 0.0,
'read_timeout' => 0.0, 'read_timeout' => 0.0,
'failover_mode' => \RedisCluster::FAILOVER_DISTRIBUTE 'failover_mode' => \RedisCluster::FAILOVER_ERROR
], ],