fluencelabs/redis
1
0
Fork 0
mirror of https://github.com/fluencelabs/redis synced 2025-03-17 16:10:50 +00:00
Code Issues Projects Releases Wiki Activity

Sentinel: wait some time between failover attempts.

Browse Source
This commit is contained in:
antirez 2013-11-12 13:30:31 +01:00
parent ab4b2ec88f
commit 54c447be52
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/sentinel.c
View File

@ -177,7 +177,7 @@ typedef struct sentinelRedisInstance {
uint64_t failover_epoch; /* Epoch of the currently started failover. */
int failover_state; /* See SENTINEL_FAILOVER_STATE_* defines. */
mstime_t failover_state_change_time;
mstime_t failover_start_time; /* When to start to failover if leader. */
mstime_t failover_start_time; /* Last failover attempt start time. */
mstime_t failover_timeout; /* Max time to refresh failover state. */
struct sentinelRedisInstance *promoted_slave; /* Promoted slave instance. */
/* Scripts executed to notify admin or reconfigure clients: when they
@ -2411,7 +2411,7 @@ char *sentinelVoteLeader(sentinelRedisInstance *master, uint64_t req_epoch, char
}
*leader_epoch = master->leader_epoch;
return master->leader;
return master->leader ? sdsnew(master->leader) : NULL;
}
struct sentinelLeader {
@ -2540,6 +2540,7 @@ void sentinelStartFailover(sentinelRedisInstance *master) {
master->flags |= SRI_FAILOVER_IN_PROGRESS;
master->failover_epoch = ++sentinel.current_epoch;
sentinelEvent(REDIS_WARNING,"+failover-triggered",master,"%@");
master->failover_start_time = mstime();
master->failover_state_change_time = mstime();
}
@ -2559,6 +2560,10 @@ void sentinelStartFailoverIfNeeded(sentinelRedisInstance *master) {
/* Failover already in progress? */
if (master->flags & SRI_FAILOVER_IN_PROGRESS) return;
/* Last failover attempt started too little time ago? */
if (mstime() - master->failover_start_time <
SENTINEL_PUBLISH_PERIOD*4) return;
sentinelStartFailover(master);
}