John MacMillan created BEAM-4177:
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Summary: Clarify thread constraints in Programming Guide 4.3.2
Key: BEAM-4177
URL: https://issues.apache.org/jira/browse/BEAM-4177
Project: Beam
Issue Type: Improvement
Components: website
Reporter: John MacMillan
Assignee: Melissa Pashniak
In
[4.3.2|https://beam.apache.org/documentation/programming-guide/#user-code-thread-compatibility],
the sentence "Each instance of your function object is accessed by a single
thread on a worker instance, unless you explicitly create your own threads"
leaves some ambiguity about whether or not the instance is permanently tied to
a single thread, or just restricted to being active on a single thread at a
time.
I suggest a minor change to:
Each instance of your function object is accessed by a single thread at a time
on a worker instance, unless you explicitly create your own threads.
I will prepare a pull request with this change.
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