Robert Burke created BEAM-6541:
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Summary: Consider converting bundle & ptransform ids to ints
eagerly.
Key: BEAM-6541
URL: https://issues.apache.org/jira/browse/BEAM-6541
Project: Beam
Issue Type: Sub-task
Components: sdk-go
Reporter: Robert Burke
BundleIDs and PTransformIDs necessary for communicating with the Runner
interface in the go SDK are currently strings, and used as is for metrics
contexts. We use them for getting bundle & ptransform specific metrics, and
transmitting the same. We could instead eagerly assign them a local index that
is then converted out when communicating metrics over the FnAPI, this would
reduce overhead on metric lookups in the various maps.
Note: the same could be done for the user's metric-name, completing the
optimization. Measuring the per-report overhead for tentative/final metric
reporting is required before committing to this approach.
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