jianggj

When BufferOverflowError is happening in forward output plugin, Fluentd lost data.

1

### Describe the bug I have a cluster that use fluentd(collect) -> fluentd(forward) -> Loki. (and the overflow_action is set to throw_exception) When Loki is disconnected, log event is storaged...

When creating a cluster, #[this web](https://redis.io/docs/management/scaling/#create-and-use-a-redis-cluster) says that "appendonly yes" is one of the minimum configurations. When the cluster uses the minimum configurations, after the replica rebooting ,the full sync...