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author | antirez <antirez@gmail.com> | 2014-06-10 17:20:16 +0200 |
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committer | antirez <antirez@gmail.com> | 2014-06-10 17:20:21 +0200 |
commit | 58799718be9e79ea9279f5cbc211ce4d483ba010 (patch) | |
tree | 5294ec535f9b5bcd4e9ccd4c4e98b581268c58d1 | |
parent | 605303d9c675d2b4dd1bc65f2f3e7f1884909500 (diff) | |
download | redis-58799718be9e79ea9279f5cbc211ce4d483ba010.tar.gz |
Cluster: better comment for clusterSendFailoverAuthIfNeeded() epoch test.
-rw-r--r-- | src/cluster.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/cluster.c b/src/cluster.c index 8fc500f16..7800ec236 100644 --- a/src/cluster.c +++ b/src/cluster.c @@ -2288,7 +2288,10 @@ void clusterSendFailoverAuthIfNeeded(clusterNode *node, clusterMsg *request) { * size + 1 */ if (nodeIsSlave(myself) || myself->numslots == 0) return; - /* Request epoch must be >= our currentEpoch. */ + /* Request epoch must be >= our currentEpoch. + * Note that it is impossible for it to actually be greater since + * our currentEpoch was updated as a side effect of receiving this + * request, if the request epoch was greater. */ if (requestCurrentEpoch < server.cluster->currentEpoch) { redisLog(REDIS_WARNING, "Failover auth denied to %.40s: reqEpoch (%llu) < curEpoch(%llu)", |