Changes / Klaviyo / Real-time segmentation delays

Klaviyo: Major incident: Real-time segmentation delays

Summary

Summary pending. The diff below shows exactly what changed.

Major incidentLabel: degradation (model (Jev), 100%)Changed Detected Source: stspg.io

What changed

AddedTitle#1
Before: not present
After: Real-time segmentation delays
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-03-27 04:46 UTC
AddedResolved time#5
Before: not present
After: 2026-03-27 05:15 UTC
AddedAffected components#6
Before: not present
After: Segmentation, Segments
AddedUpdatemonitoring#7
Before: not present
After: Starting around 8:15 PM US Eastern 26th March, we began seeing delays in real-time segment processing for a subset of customers. Segments may be out of date by up to 2.5 hours. Engineering have identified a solution and are working to implement the fix shortly. We will continue to provide updates as real-time segmentation functionality is restored.
AddedUpdateresolved#8
Before: not present
After: Real-time segmentation is processing in real-time, and this incident has been resolved.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Major incident: Real-time segmentation delays (this change)Major incident

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