query to find top 5 wait events in oracle

Troubleshooting I/O Related Waits - Oracle However, if CPU time (expressed in CPU seconds) becomes . Oracle Database Health Check and Monitoring Scripts - orahow Oracle Wait Events - db file sequential read - Toad For example, the PGA advisor would tell you "hey, if you increase the PGA target by X, then you would expect to see Y less sorts to disk". This finds the top SQL statements that are currently stored in the SQL cache ordered by elapsed time. Analyzing performance management in Oracle SE using Amazon RDS for Oracle Wait for stopper event to be increased | Oracle Blog : Real Problems ... Oracle: Fixing Buffer Busy Waits - Remote DBA Step by Step: How to troubleshoot a slow running query in Oracle Oracle Oracle - A query to get the "Wait Events" part of the AWR report. Top 5 wait events from v$active_session_history | Oracle DBA Montreal Wait Event: Wait for stopper event to be increased: Operating System AIX 5.3.0.0 5300-05 (64-bit) Oracle 10.2.0.3 Two node RAC. Instance Tuning - download.oracle.com Dilip's Oracle DBA Blog: SQL Top wait The Oracle's Automatic Workload Repository (AWR) collects, processes, and maintains performance statistics for problem detection and self-tuning purposes. Somewhat counterintuitively, AWR report showing CPU time close to 100% in the top timed events section does not necessarily indicate a problem.

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