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Spotlight on Oracle 10.7 - Release Notes

Activity Summary Page

The Activity page displays summaries of recent Windows activity.

To open the Activity Summary page

  1. Select the Spotlight on Windows connection in the Spotlight Browser.

  2. Click Activity Summary.

Charts on the Activity Summary page

Notes:

  • Click an item in the legend to highlight its series (line) in the chart. Click a second time to return the series to its normal appearance.
  • Move the mouse pointer over an item in the legend to view the current value for that series within the chart.
Chart Description
Processor

Shows the total CPU utilization across all processors in the machine, categorized into User Time and Privileged Time.

  • User Time is the total time the processor(s) spends in user mode. This is a restricted processing mode designed for applications, environment subsystems, and integral subsystems.
  • Privileged Time is the time the processor(s) spends in privileged mode. This is designed for operating system components and allows direct access to hardware and all memory.

Note: The User Time and Privileged Time series are each represented by a single line, and by an item in the legend at the right of the chart.

Paging

Shows the rate at which pages are being swapped in and out of memory.

  • The Paging Rate (In) (or Page Reads) value includes hard pages (paging requests that have to go to the paging file on disk) - not soft pages (requests for memory pages that are not in the program's working set, but still in memory).
  • The Paging Rate (Out) (or Page Writes) value provides the rate of write requests to the paging file on disk.

A sustained high rate of paging can cause problems with overall system degradation due to disk thrashing and CPU load.

Note: Each Paging Rate series is represented by a single line, and by an item in the legend at the right of the chart.

Network Packets

Shows the incoming and outgoing packet rates as an aggregate across all network cards in the system.

Note: The Packets Sent and Packets Received series are each represented by a single line, and by an item in the legend at the right of the chart.

Processor Queue Length

Shows the total number of threads (program execution units) that are waiting to be run on ALL processors. A sustained processor queue length greater than three times the number of processors can indicate processor congestion.

Note: To view Server Work Queues for the individual CPUs in the system, see the CPUs Page in the CPU drilldown.

Disk Queue Length

Shows the number of I/O requests that were queued for each logical disk.

Disk Queue Length indicates how heavily loaded a disk subsystem is. High queue lengths mean the disks are struggling to process the I/O load being put on them.

Note: Each logical disk on the system is represented by a single line on the chart, and by an item in the legend at the right of the chart.

Memory

Shows how much physical memory (RAM) and Virtual Memory Windows is using.

Physical Memory usage will normally remain close to the total amount of physical memory installed on the system unless the amount of physical memory you have exceeds the amount of virtual memory that Windows is using.

Windows normally keeps some physical memory available (free) for immediate reuse.

Virtual Memory usage increases and decreases as Windows processes requests and gives up memory and as processes are started and stopped.

A steady increase in Virtual memory usage can indicate that a process on the system has a memory leak.

Note: The Virtual Used and Physical Used series are each represented by a single line, and by an item in the legend at the right of the chart.

 

Related Topics

Spotlight on Windows Drilldowns

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