AUTO_LRU_TUNING configuration parameter
Use the AUTO_LRU_TUNING configuration parameter to enable automatic LRU tuning, which automatically maintains enough clean pages for page replacement.
- onconfig.std value
- Not set. If the AUTO_TUNE configuration parameter is set to 1, automatic LRU tuning is enabled.
- values
- 0 = Off
1 = On
- takes effect
- After you edit your onconfig file and restart the database server.
- When you reset the value dynamically in your onconfig file by running the onmode -wf command.
- When you reset the value in memory by running the onmode -wm command.
- If an AUTO_LRU_TUNING value is not set in your current onconfig file and you edit the AUTO_TUNE configuration parameter and restart the database server
Usage
Automatic LRU tuning changes affect all buffer pools and adjust the lru_min_dirty and lru_max_dirty values in the BUFFERPOOL configuration parameter.