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Cluster: better timeout and retry time for failover.

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When node-timeout is too small, in the order of a few milliseconds,
there is no way the voting process can terminate during that time, so we
set a lower limit for the failover timeout of two seconds.

The retry time is set to two times the failover timeout time, so it is
at least 4 seconds.
This commit is contained in:
antirez
2014-03-10 09:57:52 +01:00
parent 0f2597092f
commit 0f1f25784f
2 changed files with 16 additions and 8 deletions
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src/cluster.h
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@ -18,7 +18,6 @@
#define REDIS_CLUSTER_FAIL_UNDO_TIME_MULT 2 /* Undo fail if master is back. */
#define REDIS_CLUSTER_FAIL_UNDO_TIME_ADD 10 /* Some additional time. */
#define REDIS_CLUSTER_SLAVE_VALIDITY_MULT 10 /* Slave data validity. */
#define REDIS_CLUSTER_FAILOVER_AUTH_RETRY_MULT 4 /* Auth request retry time. */
#define REDIS_CLUSTER_FAILOVER_DELAY 5 /* Seconds */
#define REDIS_CLUSTER_DEFAULT_MIGRATION_BARRIER 1
#define REDIS_CLUSTER_MF_TIMEOUT 5000 /* Milliseconds to do a manual failover. */