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Re: [druid-dev] Re: consider doing a 0.12.1 release


Hi Marcin,

Do you have a non-cut-off version of this log line? It seems like this log
message would have the cause in it.

  ERROR io.druid.server.coordinator.DruidCoordinator Caught exception,
ignoring so that schedule keeps going.:
{class=io.druid.server.coordinator.DruidCo...

Btw, since we are currently trying to migrate our mailing lists, please
also include dev@xxxxxxxxxxxxxxxx in Druid dev threads (I have added it to
this one).

Gian

On Wed, Apr 11, 2018 at 12:37 AM, Marcin Kuthan <marcin.kuthan@xxxxxxxxx>
wrote:

>
>>    1. Coordinator loses leadership
>>    https://github.com/druid-io/druid/issues/5561
>>
>>
>>
> This issue is the most problematic for our cluster stability, +1 for
> 0.12.1 release.
>
> I also found another scenario when coordinator is not able to recovery
> after connection to zookeeper is lost:
>
> WARN org.apache.zookeeper.ClientCnxn Session 0x761da07ba56edff for server
> x.x.x.x:2181, unexpected error, closing socket conn...
> INFO org.apache.curator.framework.state.ConnectionStateManager State
> change: SUSPENDED
> INFO io.druid.server.coordinator.DruidCoordinator I am no longer the
> leader...
> INFO io.druid.curator.discovery.CuratorServiceAnnouncer Unannouncing
> service[DruidNode{serviceName='druid/coordinator',
> host='druidcoordinator...
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_SUSPENDED] for
> nodeType [overlord] watcher.
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_SUSPENDED] for
> nodeType [broker] watcher.
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_SUSPENDED] for
> nodeType [historical] watcher.
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_SUSPENDED] for
> nodeType [peon] watcher.
> INFO org.apache.zookeeper.ClientCnxn Opening socket connection to server
> x.x.x.x:2181. Will not attempt to authenticate using...
> INFO org.apache.zookeeper.ClientCnxn Socket connection established to
> x.x.x.x:2181, initiating session
> INFO org.apache.zookeeper.ClientCnxn Session establishment complete on
> server x.x.x.x:2181, sessionid = 0x761da07ba56edff, ne...
> INFO org.apache.curator.framework.state.ConnectionStateManager State
> change: RECONNECTED
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_RECONNECTED] for
> nodeType [broker] watcher.
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_RECONNECTED] for
> nodeType [overlord] watcher.
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_RECONNECTED] for
> nodeType [historical] watcher.
> INFO io.druid.curator.discovery.CuratorDruidNodeDiscoveryProvi
> der$NodeTypeWatcher Ignored event type [CONNECTION_RECONNECTED] for
> nodeType [peon] watcher.
> INFO io.druid.server.coordinator.DruidCoordinator I am the leader of the
> coordinators, all must bow!
> INFO io.druid.server.coordinator.DruidCoordinator Starting coordination
> in [PT30S]
> INFO io.druid.curator.discovery.CuratorServiceAnnouncer Announcing
> service[DruidNode{serviceName='druid/coordinator',
> host='druidcoordinator.n...
> INFO io.druid.metadata.SQLMetadataRuleManager Polled and found rules for
> 29 datasource(s)
> INFO io.druid.server.coordinator.DruidCoordinator Done making indexing
> service helpers [[io.druid.server.coordinator.helper.
> DruidCoordinatorSegmentInf...
> INFO io.druid.server.lookup.cache.LookupCoordinatorManager Not updating
> lookups because no data exists
> ERROR io.druid.server.coordinator.DruidCoordinator InventoryManagers not
> started[[false, true]]
> INFO io.druid.server.coordinator.DruidCoordinator I am no longer the
> leader...
> INFO io.druid.curator.discovery.CuratorServiceAnnouncer Unannouncing
> service[DruidNode{serviceName='druid/coordinator',
> host='druidcoordinator...
> ERROR io.druid.server.coordinator.DruidCoordinator Caught exception,
> ignoring so that schedule keeps going.: {class=io.druid.server.
> coordinator.DruidCo...
> INFO io.druid.server.coordinator.DruidCoordinator I am no longer the
> leader...
> ERROR io.druid.server.coordinator.DruidCoordinator InventoryManagers not
> started[[false, true]]
>
> And so on every 30 seconds.
>
>
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