TisonKun commented on a change in pull request #11338: [FLINK-10052][ha]
Tolerate temporarily suspended ZooKeeper connections
URL: https://github.com/apache/flink/pull/11338#discussion_r390916207
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/leaderelection/ZooKeeperLeaderElectionService.java
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@@ -411,8 +411,7 @@ protected void handleStateChange(ConnectionState newState)
{
LOG.debug("Connected to ZooKeeper quorum.
Leader election can start.");
break;
case SUSPENDED:
- LOG.warn("Connection to ZooKeeper suspended.
The contender " + leaderContender.getDescription()
- + " no longer participates in the
leader election.");
+ LOG.warn("Connection to ZooKeeper suspended,
waiting for reconnection.");
Review comment:
Actually since Curator already logs ConnectionState change, I'd prefer
remove these logs.
For the specific question, if we always turn on the feature, the contender
is waiting for reconnection, but it can success(RECONNECTED) or fail(LOST).
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