Added a "LatestEvents" field to the FetchedInstanceHistory log#1373
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sophiatev merged 4 commits intoJun 23, 2026
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Pull request overview
This PR extends the Azure Storage tracking telemetry for “FetchedInstanceHistory” by adding a new structured log/ETW field (LatestEvents) that records the last 10 history event types returned by a fetch instance history query.
Changes:
- Add
LatestEventsto theFetchedInstanceHistorystructured log event and propagate it throughLogHelperandAnalyticsEventSource. - Populate
LatestEventsfrom the last 10 event types when reading history entities inAzureTableTrackingStore.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.
| File | Description |
|---|---|
| src/DurableTask.AzureStorage/Tracking/AzureTableTrackingStore.cs | Adds computation of the last 10 history event types and passes them into the logger. |
| src/DurableTask.AzureStorage/Logging/LogHelper.cs | Extends FetchedInstanceHistory helper to accept and forward the LatestEvents field. |
| src/DurableTask.AzureStorage/Logging/LogEvents.cs | Adds a new structured field/property (LatestEvents) to the FetchedInstanceHistory log event. |
| src/DurableTask.AzureStorage/AnalyticsEventSource.cs | Extends the ETW FetchedInstanceHistory event payload to include LatestEvents. |
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cgillum
approved these changes
Jun 23, 2026
sophiatev
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As per the title, this PR introduces a new log field to log the last 10 events from a fetch instance history call to improve our telemetry.