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down.guideby Sazabi
Daily and weekly recaps

What broke April 28 to May 4, 2025

Week 18: the week's outages across every provider down.guide reads, in UTC.

incidents
37
major outages
2
hours of downtime
21
21h 7m
Down Index

The week's worst, by score

Scored 0 to 100 from impact, breadth, reach, duration and acknowledgement.

  1. SubstackPartial outage
    Increased error rates
    lasted 1h 2mSubstack publications, Writer dashboards, Email delivery +4
  2. LlamaCloudMajor outage
    LLamaIndex Sparse Retrieval Outage
    lasted 3h 33mLlamaParse API
  3. ClearbitPartial outage
    Webhook processing delayed
    lasted 2d 17hWebhooks
  4. CerebrasPartial outage
    Identified - Caused by Internal Depencency
    lasted 4h 11m
  5. SmartsheetPartial outage
    Smartsheet access issues and unexpected errors
    lasted 2h 57mEmail Notifications, REST API, Calendar +32