Changing parameter polling cycles


Collector and standard parameters use queries to obtain data from a monitored server or database. The poll time assigned to a collector or standard parameter sets the interval between executions of the query used by the parameter.

The default poll times set for the collector and standard parameters in PATROL for DB2 UDB are calculated to collect sufficient data to appropriately monitor most systems. If your system requires longer or shorter poll times, you can change poll times, but do so with the following cautions in mind:

  • Increasing poll times could cause untimely notification of problems as they arise.
  • Decreasing poll times increases the resources used by PATROL for DB2 UDB, which could lead to performance issues.
  • Poll times must exceed the amount of time it takes to execute the query and allow time for the parameter to parse and distribute the data obtained before it must resend the query. To avoid issues, use Debug to find the query execution time before decreasing a poll time.
Error
Warning

Changing the poll time for a standard or collector parameter to an amount of time that is shorter than the amount of time it takes to complete the execution of the query or collection command used by that parameter causes serious issues.

 

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BMC PATROL for DB2 Universal Database 9.0