Specifying rollover thresholds

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The max-size stanza entry specifies the maximum size to which each of the HTTP log files can grow and has the following default value in bytes: 
[logging]
max-size = 2000000
When a log file reaches its rollover threshold:
  • The existing file is backed up to a file of the same name. The file name is appended with the current date and timestamp.
  • A new log file is started.
The various possible max-size values are interpreted as follows:
  • If the max-size value is less than zero (< 0), a new log file is created:
    • With each invocation of the logging process.
    • Every 24 hours from that instance.
  • If the max-size value is equal to zero (= 0), no rollover is completed and the log file grows indefinitely. If a log file exists, new data is appended to it.
  • If the max-size value is greater than zero (> 0), a rollover is completed when a log file reaches the configured threshold value. If a log file exists at startup, new data is appended to it.