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The onperf Utility on UNIX

In This Chapter
Overview of the onperf Utility
Basic onperf Functions
Displaying Metric Values
Saving Metric Values to a File
Reviewing Metric Measurements
The onperf Tools
Requirements for Running onperf
Starting and Exiting onperf
The onperf User Interface
Graph Tool
Title Bar
Graph-Tool Graph Menu
Graph-Tool Metrics Menu
Graph-Tool View Menu
The Graph-Tool Configure Menu and the Configuration Dialog Box
Graph-Tool Tools Menu
Changing the Scale of Metrics
Displaying Recent-History Values
Query-Tree Tool
Status Tool
Activity Tools
Ways to Use onperf
Routine Monitoring
Diagnosing Sudden Performance Loss
Diagnosing Performance Degradation
The onperf Metrics
Database Server Metrics
Disk-Chunk Metrics
Disk-Spindle Metrics
Physical-Processor Metrics
Virtual-Processor Metrics
Session Metrics
Tblspace Metrics
Fragment Metrics
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