Configuring Logging

Parameter	Description
threshold	Threshold level for the target. Threshold levels indicate the level of information that is logged to the target. If you do not specify the threshold level of a journal logger, the logger inherits the assigned level from the root logger. The threshold levels listed in order of increasing importance are: None, or off Trace Debug Info Warn Error Fatal The journal logger logs messages that have the threshold level that you specify, as well as messages that have the threshold level that is of higher importance. For example, if the threshold value is Warn, the logger logs Warn, Error, and Fatal messages.
target	The standard output for the logs. System.Err System.Out The parameter is available for the Console appender.
file	Name of the file to which you want to log the data. The parameter is available for the TimeOrSize appender.
datePattern	Date/time characters that are appended to each log file name. yyyy-mm-dd. Create a new log file at midnight. yyyy-mm-dd-hh:mm. Create a new log file every minute. yyyy-mm-dd-hh. Create a new file log every hour. hh uses a 24-hour clock. yyyy-mm-dd-{AM\|PM}. Create log files at noon and midnight. yyyy-ww. Create a new log file each Sunday at midnight. yyyy-mm. Create a new log on the last day of each month at midnight. The parameter is available for the TimeOrSize appender.
syncOnQueueFull	true. Synchronize logs when the maxFileSize is reached. false. Do not synchronize logs when the maxFileSize is reached. The parameter is available for the Async appender.
queueSize	The maximum queue size. The parameter is available for the Async appender.
maxLogLimit	Number of log files that are kept in the rollover destination. When the maximum number of log files is reached, the oldest log file is removed and a new one is allocated. The parameter is available for the TimeOrSize appender.
maxFileSize	Restrict the amount of disk space (in megabytes) that is used for logging. The parameter is available for the TimeOrSize appender.
type	Destination where you want to store the rolled over log files. The possible values are: File Directory The parameter is available for the TimeOrSize appender.
hostName	The default value is localhost. The parameter is available for the TimeOrSize appender when the value of the type parameter is Directory.
logDirectory	Name of the directory where the rolled over files are stored. Type . if you want the logs to be stored in the default directory. The parameter is available for the TimeOrSize appender when the value of the type parameter is Directory.
dateFormatString	Date format that is used for the rolled over log files. The parameter is available for the TimeOrSize appender when the value of the type parameter is Directory.
timeFormatString	Time format that is used for the rolled over log files. The parameter is available for the TimeOrSize appender when the value of the type parameter is Directory.