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[Metrics API/SDK] Support registering multiple async callbacks to one single async instrument. #1338

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lalitb opened this issue Apr 19, 2022 · 0 comments · Fixed by #1495
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[Metrics API/SDK] Support registering multiple async callbacks to one single async instrument. #1338

lalitb opened this issue Apr 19, 2022 · 0 comments · Fixed by #1495
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metrics
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Metrics SDK - Rel...

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lalitb commented Apr 19, 2022

Support for specs changes introduced in open-telemetry/opentelemetry-specification#2361 and open-telemetry/opentelemetry-specification#2363

  • Add support for registering multiple async callbacks to one single async instrument.
  • Every currently registered Callback associated with an instrument MUST
    be evaluated exactly once during collection prior to reading data for
    that instrument.

Depends on
#1334
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