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Spotlight on Oracle 10.9 - 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 Spotlight on MySQL Troubleshooting: Connection Problems

Multi-threaded Server Alarm

The Multi-threaded Server alarm occurs when all or most multi-threaded server (MTS) or dispatcher processes are busy.

In an MTS environment, multiple sessions share a smaller number of shared server processes that perform database activities on their behalf. The servers are usually allocated by a smaller number of dispatcher processes.

The number of dispatchers and servers can increase up to the limits set by the configuration parameters MAX_DISPATCHERS and MAX_SHARED_SERVERS. If the demand for the processes causes all servers to become busy, sessions may experience long wait times before a server becomes available.

Note: See the Activity | Server Page to obtain the precise load on MTS servers and dispatchers. If sessions are waiting on servers, either increase the number of servers or use dedicated server processes.


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