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The IOA Log Index provides direct access to specific records or ranges of records in the IOA Log file.
This feature significantly decreases the number of required I/O operations, thereby saving reading time and CPU.
The IOA Log Index has the following impact on the retrieval of IOA Log messages:
Table 82a IOA Log Index impact
Scenario |
Impact |
|---|---|
Index not active or log file not indexed |
When getting log messages, all log messages for the specific time period are read serially. |
Index is active and log file is indexed |
When getting log messages, only the required log messages are read and then the unindexed log messages (if they exist) are read serially. |
Parent Topic |