Reporting metrics
This graph shows main steps of dataflow worker intialization and metrics reporting.
Streaming and Batch workers actually differ, but common patterns present.
Warning: node ExecutionStateRegistry, port extractUpdates unrecognized
Fetching side inputs
Warning: flat edge between adjacent nodes one of which has a record shape - replace records with HTML-like labels
Edge StreamingKeyedWorkItemSideInputDoFnRunner -> OtherDoFns
Error: lost StreamingKeyedWorkItemSideInputDoFnRunner OtherDoFns edge
Error: lost OtherDoFns StreamingKeyedWorkItemSideInputDoFnRunner edge
Handling workitems
