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0:00 Introduction
0:40 Common causes of high CPU utilization
1:07 Check cluster health and CPU metrics
1:37 Automated troubleshooting runbook
3:10 Hot Threads API
4:08 Identify long-running search tasks
4:46 JVM memory pressure
5:08 Unbalanced shard distribution
5:38 UltraWarm migrations
6:31 Enable slow logs
7:20 Closing
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Duke shows you how to troubleshoot high CPU utilization on your OpenSearch Service cluster.
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2026/08/11
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