diff options
| -rw-r--r-- | src/cluster.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/cluster.c b/src/cluster.c index 6d111500f..862c3c572 100644 --- a/src/cluster.c +++ b/src/cluster.c @@ -845,10 +845,15 @@ void setClusterNodeToInboundClusterLink(clusterNode *node, clusterLink *link) { /* A peer may disconnect and then reconnect with us, and it's not guaranteed that * we would always process the disconnection of the existing inbound link before * accepting a new existing inbound link. Therefore, it's possible to have more than - * one inbound link from the same node at the same time. */ + * one inbound link from the same node at the same time. Our cleanup logic assumes + * a one to one relationship between nodes and inbound links, so we need to kill + * one of the links. The existing link is more likely the outdated one, but it's + * possible the the other node may need to open another link. */ serverLog(LL_DEBUG, "Replacing inbound link fd %d from node %.40s with fd %d", node->inbound_link->conn->fd, node->name, link->conn->fd); + freeClusterLink(node->inbound_link); } + serverAssert(!node->inbound_link); node->inbound_link = link; link->node = node; } |