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getsentry / sentry-electron

The official Sentry SDK for Electron
https://sentry.io/
MIT License
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Anomaly in reported crashed sessions #931

Open jjbayer opened 2 months ago

jjbayer commented 2 months ago

A user reported a negative crash-free rate. We figured out that there's a single 10-second interval in which a very high number of crashed sessions was reported, but the number of total sessions remained stable:

image

This looks suspicious for two reasons:

  1. The number itself seems unreasonably high.
  2. sessions.all must always be larger than sessions.crashed. If the crashed number is higher, it means that the SDK reported session updates with init: false for which it has never reported the initial update with init: true.

Could there be a reporting bug in the electron SDK which causes large numbers of session updates to be flushed without init: true?

Zendesk ticket with URL to the API request shown above: https://sentry.zendesk.com/agent/tickets/124592

timfish commented 2 weeks ago

When this issue closes, 5.4.0 will be published to npm. This has a fix for multiple sessions being recorded when there are multiple renderer crashes in a single session. Let us know if this fixes this issue!