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Troubleshooting OEM & Agent “No Route to Host” Errors on OCI

Resolving Oracle Enterprise Manager (OEM) on Oracle Cloud Infrastructure (OCI) can sometimes feel like peeling back layers of an onion. You’ve verified your VCN security lists,..

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Enabling Database In-Memory on Exadata: a 16-second query that became 0.12

Oracle 19c EE (Extreme Performance) 19.29 · two-node Exadata Database Service (ExaDB-D) · ~40M-row table · GROUP BY benchmark I’ve been meaning to sit down with Oracle Database..

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Fixing OCI Base DB GI Precheck Error

If you are upgrading an Oracle Cloud Infrastructure (OCI) Base Database Service operating system from Oracle Linux 7 to Oracle Linux 8, you might encounter a roadblock during Grid..

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Resolving OCI Database Management 'UNKNOWN' Status & 'Monitoring Stopped' Alerts

Introduction If you are managing Oracle databases on Oracle Cloud Infrastructure (OCI), few sights are as jarring as seeing a critical "Monitoring Stopped - Metric collection..

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Fixing False-Positive OCI IPsec Alarms in Active-Passive Topologies

When deploying an Oracle Cloud Infrastructure (OCI) Site-to-Site VPN in an active-passive (standby) configuration, Tunnel 2 is often intentionally left down on the..

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