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Workload Attributes
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Name
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Name for the new WD. Although not required, typically these begin with the prefix “WD-” for easy identification. |
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Description
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Description identifying this WD. |
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Log Query Detail
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Select this option to specify detailed logging of each query to DBQLogTbl. |
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Enforcement Priority
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- Tactical – Short queries with a fixed response-time requirement.
- Priority – Important queries that should get extra resources.
- Normal – Normal queries; this is the default.
- Background – Low-priority queries with no response-time requirement.
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Classification
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Criteria #1
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Selects the classification criteria. |
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Includes
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Displays the selected objects within the chosen criteria |
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Choose
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Allows inclusion and exclusion of strings within the chosen criteria. |
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Choose another selection criteria
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Adds another classification criteria, with its own pull-down and object list. |
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Accept
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Accepts the changes made to the Classification tab. |
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Restore
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Undoes changes to the classification criteria. |
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Show
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Creates a report of the classification criteria that maybe saved, printed, or both. |
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Exception
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Maximum Rows
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Maximum number of rows in a spool file or final result. |
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IO Count
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Maximum number of disk I/Os performed on behalf of the query. |
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Spool Size
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Maximum size of a spool file in B. |
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Blocked Time
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Length of time the query is blocked by another query. |
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Elapsed Time
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Length of time the query has been running. |
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Number of Amps
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Number of AMPs that participate in the query. |
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Sum Over All Nodes
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Total amount of CPU time (in hundredths of seconds) the query consumes over all nodes. |
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Tactical CPU Usage Threshold (per node)
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Per-node threshold of CPU usage for tactical workloads that, when exceeded, triggers exception handling. |
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Qualification
Time
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Length of time the exception condition must persist before an action is triggered (in seconds). |
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IO Skew
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Based on the Qualification Time, the maximum difference in disk I/O Counts between the least busy and most busy AMP. |
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CPU Skew
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Based on the Qualification Time, the maximum difference in CPU consumption (in seconds) between the least busy and the most busy AMP. |
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CPU millisec per IO
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Based on the Qualification time, the maximum ratio of CPU consumption to disk I/O during the last exception interval. |
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IO Skew Percent
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Based on the Qualification Time, the percentage difference in disk I/O Counts between the least busy and the most busy AMP. |
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CPU Skew Percent
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Based on the Qualification Time, the percentage difference in CPU consumption between the least busy and the most busy AMP. |
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Service Level Goals
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Operating Environment
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Lists the operating environment that the workload is currently in. The default is Always. |
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Response Time
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Response-time value in hours, minutes, and seconds. This is the maximum amount of time that you expect to be required for completion of this workload. |
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Service Percent
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Integer value corresponding to the percentage of this workload which you expect to meet the service-level criteria. |
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Arrival Rate per hour
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Integer value corresponding to the number of queries that you expect to be received hourly. |
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Throughput per hour
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Integer value corresponding to the number of queries that you expect to be executed hourly. |
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CPU seconds per query
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Integer value corresponding to the processor time (in seconds) that you expect to be required for executing each query. |
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Query Limits
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State
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Current state of default or base. |
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Override Default
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Select this option to override the default limit for each state specified. When you select this option Unlimited is activated. |
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Unlimited
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Default option when Override Default is selected. |
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Limit
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Select this option to define a new limit. |
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Reject
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Select this option to reject over-limit queries for a particular state, otherwise over-limit queries are delayed. |
