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• Fix kafka circuit breaker to switch to open state multiple times
• Lightstep integration fixes

Increase number of partitions for event types

User related operations support in OpenTracing

Allow users to delete their event types, but only if they are admin. This can delete the archiver subscription, but only that one.

1. Fix authorization check on subscriptions and event types even when there is any update made to the resource

• Change the way how nakadi loads configuration of connection to zookeeper
• Change the way how nakadi stores configuration of kafka connection for storage

• Decreasing ZK session timeout Zookeeper session time is set to default 60 seconds, which plays bad for acquiring the lock on instance which is terminated. Basically, the lock is going to be released only in 60 seconds (in reality is 40 seconds, because max zk session timeout is 2 x timeTick which is 2 secs)

• Fixed creation of internal event-types;
• Added clean-up of lock in Zookeeper when subscription is deleted;

Fix status code for PATCH /subscriptions/<id>/cursors if event type is not part of the subscription.

• Update libraries impacted by CVEs

Added open-tracing for publishing events.