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Cluster: CLUSTER SETSLOT implementation comment updated.

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Update the comment since the implementation details changed.
This commit is contained in:
antirez 2014-03-25 17:50:46 +01:00
parent 0064b1a583
commit eb746ec408
1 changed files with 5 additions and 3 deletions
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8
src/cluster.c
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@ -3320,9 +3320,11 @@ void clusterCommand(redisClient *c) {
* to a new epoch so that the new version can be propagated * to a new epoch so that the new version can be propagated
* by the cluster. * by the cluster.
* *
* FIXME: the new version should be agreed otherwise a race * Note that if this ever results in a collision with another
* is possible if while a manual resharding is in progress * node getting the same configEpoch, for example because a
* the master is failed over by a slave. */ * failover happens at the same time we close the slot, the
* configEpoch collision resolution will fix it assigning
* a different epoch to each node. */
uint64_t maxEpoch = clusterGetMaxEpoch(); uint64_t maxEpoch = clusterGetMaxEpoch();
if (myself->configEpoch == 0 || if (myself->configEpoch == 0 ||