Luke Cwik created BEAM-13287:
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Summary: PubsubLite I/O outputs messages from a different thread
Key: BEAM-13287
URL: https://issues.apache.org/jira/browse/BEAM-13287
Project: Beam
Issue Type: Bug
Components: io-java-gcp
Reporter: Luke Cwik
Assignee: Daniel Collins
Producing output from another thread will break the assumption that users who
use this library may have where they don't need synchronization since methods
like startBundle/finishBundle/processElement are all meant to be [accessed from
one
thread|https://beam.apache.org/documentation/programming-guide/#user-code-thread-compatibility]
and will also break similar assumptions in the system (for example
counters/monitoring rely on a thread local being set to pass a context object
around).
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