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Cluster: log configEpoch updates to myself.

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This commit is contained in:
antirez 2014-06-10 16:38:36 +02:00
parent 8204ab0098
commit d5d92deb6c
1 changed files with 11 additions and 2 deletions
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13
src/cluster.c
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@ -512,6 +512,7 @@ void clusterReset(int hard) {
server.cluster->currentEpoch = 0;
server.cluster->lastVoteEpoch = 0;
myself->configEpoch = 0;
redisLog(REDIS_WARNING, "configEpoch set to 0 via CLUSTER RESET HARD");
/* To change the Node ID we need to remove the old name from the
* nodes table, change the ID, and re-add back with new name. */
@ -1427,7 +1428,7 @@ void clusterHandleConfigEpochCollision(clusterNode *sender) {
clusterSaveConfigOrDie(1);
redisLog(REDIS_VERBOSE,
"WARNING: configEpoch collision with node %.40s."
" Updating my configEpoch to %llu",
" configEpoch set to %llu",
sender->name,
(unsigned long long) myself->configEpoch);
}
@ -2557,8 +2558,12 @@ void clusterHandleSlaveFailover(void) {
}
/* 3) Update my configEpoch to the epoch of the election. */
if (myself->configEpoch < server.cluster->failover_auth_epoch)
if (myself->configEpoch < server.cluster->failover_auth_epoch) {
myself->configEpoch = server.cluster->failover_auth_epoch;
redisLog(REDIS_WARNING,
"configEpoch set to %llu after successful failover",
(unsigned long long) myself->configEpoch);
}
/* 4) Update state and save config. */
clusterUpdateState();
@ -3838,6 +3843,10 @@ void clusterCommand(redisClient *c) {
addReplyError(c,"Node config epoch is already non-zero");
} else {
myself->configEpoch = epoch;
redisLog(REDIS_WARNING,
"configEpoch set to %llu via CLUSTER SET-CONFIG-EPOCH",
(unsigned long long) myself->configEpoch);
if (server.cluster->currentEpoch < epoch)
server.cluster->currentEpoch = epoch;
/* No need to fsync the config here since in the unlucky event