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Limit # of replay breadcrumbs captured per timeframe #8072

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mydea opened this issue May 8, 2023 · 0 comments · Fixed by #8086
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Limit # of replay breadcrumbs captured per timeframe #8072

mydea opened this issue May 8, 2023 · 0 comments · Fixed by #8086
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@billyvg
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Package: replay Issues related to the Sentry Replay SDK

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mydea commented May 8, 2023 •
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It is possible that a lot of replay breadcrumbs are captured in a short amount of time. E.g. if a page makes continuously hundreds of API requests, we will always capture them all.

We should limit this to a certain upper limit, throttling this for a given time frame.

Proposal

We allow up to 500 breadcrumbs per minute. Anything over this will be discarded. This is a moving window, meaning that a breadcrumb will stop counting towards the limit after 60s.
@mydea mydea added Type: Feature Package: replay Issues related to the Sentry Replay SDK labels May 8, 2023
@mydea mydea mentioned this issue May 9, 2023
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@billyvg billyvg self-assigned this May 15, 2023
billyvg added a commit that referenced this issue May 26, 2023
@mydea @billyvg
feat(replay): Throttle breadcrumbs to max 300/5s (#8086)
f359ef3 
This updates custom breadcrumb handling to be throttled to max. 300
breadcrumbs/5s.

If we exceed this amount of breadcrumbs, we drop any further breadcrumbs
and instead add a single breadcrumb with `category: 'replay.throttled'`,
which the UI can use to indicate that _something_ was dropped.

Closes #8072

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Co-authored-by: Billy Vong <[email protected]>
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feat(replay): Throttle breadcrumbs to max 300/5s getsentry/sentry-javascript
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