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Spotlight on Oracle 10.10 - Getting Started Guide

Welcome to Spotlight Install Spotlight Start Spotlight Spotlight on Oracle Spotlight on Oracle Data Guard Spotlight on Oracle RAC Spotlight on Unix Spotlight on Windows Troubleshooting: Connection Problems

Latch Free Waits Alarm

Latches are Oracle internal locking mechanisms. They prevent multiple sessions from updating the same item simultaneously within Oracle shared memory (SGA). If a session needs to acquire a latch that is held by another session, a latch free wait may occur.

The presence of latch free waits may indicate a bottleneck within the SGA. (The specific action depends on the latch.)


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