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Analyzing thread history

The HTLOGS view provides access to detailed thread accounting data in any of the trace data sources.

Accessing and analyzing a large number of detail records can be very time consuming, but HTLOGS provides two methods for choosing only the threads you need to analyze. This feature is especially useful when working with a large  Data Collector active trace data set.

Related topic

Analyzing-recent-workload-history

You can use either of the following methods, or a combination of them, based on what you need to analyze:

  • A thread history drill down of interval summary data–from 15 to 5 to 1 minute intervals of data–can help you identify problem threads in a particular time period, or detect a time period with problems.
  • A thread query with extensive filtering options can help you find specific conditions or workload qualifiers in threads that might be distributed throughout all of the records traced.

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