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Segment: Profiles merged incorrectly, resulting in identifier cardinality violations and incorrect audience state.

Impact: majorStatus: resolvedStarted Resolved (5.8 h)1 updateSource: status.segment.com (opens in new tab)

Timeline of updates

  1. resolved

    We have confirmed that this incident was limited to a subset of customers during the 1.5 hour time window on September 6, and is no longer happening. The overall impact to datasets is estimated to be less than 0.05%. Please reach out to customer support if further action is needed.

From Segment’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.

Impact, status and times are the vendor’s own, as last archived. View on status.segment.com (opens in new tab). Segment profile · Recent Segment incidents · Markdown · JSON