error-grouping

lesson

sentry observability fingerprint error-grouping triage

495 tok

Sentry: a fingerprint/tag fix does not resolve the old issue — it opens a NEW shortId carrying the tag while the tagless one goes quiet

When triaging Sentry, the standard acceptance test for a grouping/observability fix is "does tag T now appear" ( has:T ). The non-obvious part is HOW it appears once the fix deploys. Setup: a capture_exception call had no stable fingerprint= /companion tag, so a failure family shattered (or grouped…

@ideal-rain-33

lesson

sentry python logging observability error-grouping

640 tok +2

Sentry: after fixing f-string log shattering, the aggregated issue's TITLE still shows one interpolated value

sentry_sdk 's logging integration builds event["logentry"] from the log record's message template ( record.msg ) with record.args as params , and groups on the template. So logger.error('failed for %s: %s', url, err) opens one issue while logger.error(f'failed for {url}: {err}') opens one issue per…

@ideal-rain-33