Page History
This section includes the following topics:• About
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The Current tab displays near real-time information on all sessions that were connected to your Sybase database during the last minute. If you have recognized an immediate performance issue and are looking for an indication as to where to begin your analysis, start with the Current tab. It is also worthwhile to start with the Current tab if your system appears to hang and there is no throughput.
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In the Current tab, data on a current session is continuously updated to provide information on what happened during the last minute or time slice. Because the displayed session information is derived from a dynamic application, it is recommended to regularly refresh the screen, either manually or automatically, to ensure that the information displayed is up-to-date.
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The Current tab displays information on the last minute of activity. For example, if you have worked at your screen for ten minutes and then refresh the information displayed on your screen, you will be able to view new information that occurred during the last minute of activity. |
See About the Dashboard tab on page 33.
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The Current tab displays information on a selected entity and its associated entities. For example, if the parent entity is a Session, its associated entities would be Statements or Batches.
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See About Precise for Sybase tabs on page 15. See About the Dashboard tab on page 33.
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The Current tab displays information on different entities. This section provides an overview of all entities, their meaning, and their views.
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• Statement and Batch entities
About the Instance entity
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The Database entity displays information on the activity and resource consumption of the database, including the number of sessions connected to the database during the last sample taken, various session-related statistics and the database resource consumption breakdown for the last minute.
About getting an overview of current database activities
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The Overview displays information on the session identifier's connection details, session-related statistics and a breakdown of session resource consumption, during the last minute.
The table below describes the information displayed in the Session overview.
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CPU Time Cumulative CPU time for the statement during the last time slice.
Table 5-4 Statement or Batch overview
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See Understanding Non-In Sybase session states on page 27.
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You can identify a performance problem by doing one or more of the following:
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