feat(Spanner): Add the built in metrics feature#9055

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Hectorhammett wants to merge 14 commits intomainfrom

builtin-metrics

Commits on Mar 27, 2026

Commits on Mar 31, 2026

Add an option configuration to configure the underlying MetricServiceClient
Hectorhammett
committed

Commits on Apr 10, 2026

Add a timoutMillis option for the metrics exporter
Hectorhammett
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Add the open telemetry extension to the suggest section of the composer.json file
Hectorhammett
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Modify how we determine the client version for the metrics middlewares
Hectorhammett
committed

Commits on Apr 27, 2026

Commits on Apr 30, 2026

Modify the Attempt middleware to correctly use the status code for errors
Hectorhammett
committed