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# Server log files

Server log files are stored in the `<PPM_Home>/server/<PPM Server>/logs` directory. Server log files are named `serverLog.txt` and `serverLog_timestamp.txt`. The log timestamp setting (see ) uses the format `YYYYMMDD_HHMMSS` for the date and time the log was rotated.

Active PPM Servers log their output to the `serverLog.txt` file. The `serverLog_timestamp` files are archived versions of the `serverLog.txt` file. The size of these old log files are determined by the `ROTATE_LOG_SIZE` server parameter in the `logging.conf` file. This parameter may be set to any value (in kilobytes) to control the rotation. A high value results in fewer but larger log files.

Generally, server log files are required only when contacting Software Support to resolve server issues. In most cases, it is safe to delete these log files on a regular basis.

The following parameters determine the data volume to be written to the logs by the server:

- `DEFAULT_SERVER_LOGGING_LEVEL`

- `DEFAULT_USER_DEBUG_LEVEL`

- `SYSTEM_THRESHOLD`

- `RMI_DEBUGGING`

Set the following parameters to their default values.

How to set the parameters | Where to set the parameters
--- | ---
com.kintana.core.logging.DEFAULT_SERVER_LOGGING_LEVEL = ERROR com.kintana.core.logging.DEFAULT_USER_LOGGING_LEVEL = ERROR com.kintana.core.logging.SYSTEM_THRESHOLD = DEBUG | logging.conf file
com.kintana.core.server.RMI_DEBUGGING=false | sever.conf file

By setting these parameters to their default settings, only critical error events are written to the server logs. This decreases the number of server logs generated in the file system, thereby improving system performance.

If the server experiences technical difficulties or server logs are required by Software Support, increase the debug level.

Unless instructed otherwise by Software Support, always set the `RMI_DEBUGGING` parameter to `false`.

To change the `USER_DEBUG_LEVEL` parameter dynamically at runtime, change the `DEFAULT_USER_DEBUG_LEVEL` parameter in the Edit > Debug Settings screen group in the PPM Workbench interface. You can also retrieve current server settings by accessing the Server Tools window and running the Server Configuration report.

Note: Unless instructed by Software Support, do not run a production server with the debug levels set to `Maximum`. This can generate very large log files in the file system that could degrade system performance.

https://admhelp.microfocus.com PPM 8942
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