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Trigger the election as soon as possible when doing a forced manual failover (#1067)

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In CLUSTER FAILOVER FORCE case, we will set mf_can_start to
1 and wait for a cron to trigger the election. We can also set a
CLUSTER_TODO_HANDLE_MANUALFAILOVER flag so that we
can start the election as soon as possible instead of waiting for
the cron, so that we won't have a 100ms delay (clusterCron).

Signed-off-by: Binbin <binloveplay1314@qq.com>
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Binbin 2024-09-25 12:08:48 +08:00 committed by GitHub
parent af811748e7
commit 6e0216471d
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src/cluster_legacy.c
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@ -6732,6 +6732,9 @@ int clusterCommandSpecial(client *c) {
* it without coordination. */
serverLog(LL_NOTICE, "Forced failover user request accepted (user request from '%s').", client);
server.cluster->mf_can_start = 1;
/* We can start a manual failover as soon as possible, setting a flag
* here so that we don't need to waiting for the cron to kick in. */
clusterDoBeforeSleep(CLUSTER_TODO_HANDLE_MANUALFAILOVER);
} else {
serverLog(LL_NOTICE, "Manual failover user request accepted (user request from '%s').", client);
clusterSendMFStart(myself->replicaof);