Changes / Census / UI slowdown across several areas

Census: Major incident: UI slowdown across several areas

Summary

Census reported a major slowdown in its Sync Management UI affecting Model Previews, Metadata Refreshes and Sync Alerts, starting 2024-03-26 21:53 UTC and resolved at 2024-03-26 22:47 UTC (53 min). Census attributed it to a faulty deploy and restored task processing by deploying the previous job processor version; metrics showed no impact on sync performance or scheduling.

Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.

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

What changed

AddedTitle#1
Before: not present
After: UI slowdown across several areas
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2024-03-26 21:53 UTC
AddedResolved time#5
Before: not present
After: 2024-03-26 22:47 UTC
AddedAffected components#6
Before: not present
After: Census Sync Management UI
AddedUpdateinvestigating#7
Before: not present
After: We have identified slowdowns in the Census UI associated with several areas: * Model Previews * Metadata Refreshes * Sync Alerts These are related to a slowdown in our job processing engine. At this time, our metrics do not show that sync performance or scheduling is affected but we are investigating these as well.
AddedUpdateidentified#8
Before: not present
After: We have identified a faulty deploy and we are rolling it back
AddedUpdatemonitoring#9
Before: not present
After: A previous version of the job processor has been deployed and these tasks are once again being completed. We are continuing to monitor
AddedUpdateresolved#10
Before: not present
After: This incident has been resolved.

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History of this incident

When (UTC)ChangeKind
Major incident: UI slowdown across several areas (this change)
Census reported a major slowdown in its Sync Management UI affecting Model Previews, Metadata Refreshes and Sync Alerts, starting 2024-03-26 21:53 UTC and resolved at 2024-03-26 22:47 UTC (53 min). Census attributed it to a faulty deploy and restored task processing by deploying the previous job processor version; metrics showed no impact on sync performance or scheduling.
Major incident

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