15.10 - PDSet to Workload Mapping Considerations - Teradata Workload Analyzer

Teradata Workload Analyzer User Guide

prodname
Teradata Workload Analyzer
vrm_release
15.10
category
User Guide
featnum
B035-2514-035K

PDSets must meet the following requirements to successfully map to workloads:

  • There must be a one-to-one correlation between workloads and performance groups.
  • Only one performance period is allowed per performance group.
  • One workload is created for each account. However, if the total number of accounts for all PDSets is 35 or more, one workload is created per performance group.
  • If multiple accounts are available for a workload/performance group, the account names are OR’d in the classification table, creating multiple rows - one per account.
  • If no associated account is found in DBQL for a performance group, then it is marked inactive. There is no workload created in this case.
  • The Classify Condition for Acct is AcctName.
  • If an “inactive performance group” is overridden to an “active” one, then the Classify Condition is: Acct = $PGName (the Priority Group part of the performance group).
  • Note: If the message “The PSA database is Locked by another user” appears when running PSA migration, it means that either the PSA database is currently being accessed or that a previous user of the PSA database exited without freeing the lock. The standard resolution in this case would be to wait to for the lock to be released. If after a period of time you suspect the lock is hung, you should determine if it is safe to free the lock manually and then repeat the operation.