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TQL Logs

This section contains definitions for TQL parameter log files.

ClosedPattern Statistics Log

The log name is cmdb.pattern.statistics.log.

Log File Description
Purpose General calculation data for each TQL query, updated at predefined intervals.

Information Level

The following information is given for each TQL query:

  • name

  • average, minimum, and maximum calculation times

  • number of calculations

  • last calculation time

  • result size
Error Level Not available.
Debug Level Not available.

Basic Troubleshooting

  • Verify that a specific TQL query was updated.

  • Evaluate a TQL query's calculation time.

  • Evaluate a TQL query's result size.

ClosedAudit Short/Detailed Log (TQL Perspective)

The log name is cmdb.audit.short.log.

Log File Description

Purpose

RTSM state changes, CI Type changes, and TQL query results.

You can use this log to follow the results of TQL queries.
Information Level Not available.
Error Level Not available.

Debug Level

  • Final calculation for TQL queries is logged.

  • If the final TQL query calculation is unchanged from the previous calculation, this is noted.

  • If the final TQL query calculation is changed from the previous calculation, results of the CIs and relationships are recorded in the detailed log. The number of CIs and relationships are recorded in the short log.

Basic Troubleshooting

  • Use this log to verify which notifications are published by the TQL query subsystem.

  • Check the section at the end of each result. This section includes added, removed, and updated CIs and relationships.

  • Track the CIT changes and see if the query results also change. You can thus correlate the CIT changes to the results of the query calculations.
ClosedIncremental Statistics Log

The log name is cmdb.incremental.statistics.log.

Log File Description
Purpose Traces the calculation procedure, full or incremental, of every query.
Information Level Not available.
Error Level Not available.

Debug Level

  • Gives the date, time, query name, and whether an incremental statistic calculation was performed (yes/no).

  • If an incremental statistic calculation was not performed, states the reason, the number of subcalculations (relevant for incremental calculations only), and the complete calculation time.

Basic Troubleshooting

Monitors the calculation process.

If a specific query calculation takes a long time, check if it is a full or incremental calculation:

  • If full, check whether a full calculation is necessary.

  • If incremental, check how many subcalculations have been performed.
ClosedIncremental Splitter Log

The log name is cmdb.incremental.splitter.log.

Log File Description
Purpose Monitors the incremental splitter result made during an incremental calculation.
Information Level Not available.
Error Level Not available.
Debug Level Gives the set of query node numbers of each query graph created by the incremental splitter.
Basic Troubleshooting If the TQL result calculated by the incremental calculator is wrong, verify that the splitter result is correct.
ClosedIncremental Detailed Log

The log name is cmdb.incremental.detailed.log.

Log File Description
Purpose Monitors the incremental calculation process.
Information Level Not available.
Error Level Not available.

Debug Level

Each incremental subcalculation entry includes the following:

  • the trigger query node

  • the number of elements classified to the trigger query node

  • whether the subcalculation step is driven by new elements added to the model or by existing elements

  • the calculated query graph
Basic Troubleshooting Follows the basic steps of an incremental calculation.

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