Incident Library

Organisation

Classi

Classi · classi

1 case · 2026

Root cause Breaking change in an upgrade
Component Elasticsearch or OpenSearch
Contributing factor Unverified assumptionUnreviewed defaults
Symptom High latency

Cases

  1. IL-0579 Portfolio search latency on Amazon OpenSearch 1.3 spiked to about 1 second after migrating from Elasticsearch 6.8Classi · 2026

    Root cause Breaking change in an upgrade