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    6. Log rotation

    Log rotation

    Both Console and Defender call log-rotate every 30 minutes. The options passed to log-rotate are described below.

    Defender

    The default path for Defender’s log file is /var/lib/twistlock/log/defender.log.
    It is configured as follows:
    • Truncate the original log file in place after creating a copy, instead of moving the old log file. (copytruncate)
    • Have 10 backup files rotated. If rotation exceeds 10 files, the oldest rotated file is deleted. (rotate 10)
    • Don’t generate an error in case a log file doesn’t exist. (missingok)
    • Don’t rotate the log in case it’s empty. (notifempty)
    • Rotate the log only if its size is 100M or more. (size 100M)
    • Compress the rotated logs. (compress)

    Console

    The default path for Console’s log file is /var/lib/twistlock/log/console.log. It is configured as follows:
    • Truncate the original log file in place after creating a copy, instead of moving the old log file. (copytruncate)
    • Have 10 backup files rotated. If rotation exceeds 10 files, the oldest rotated file is deleted. (rotate 10)
    • Don’t generate an error in case a log file doesn’t exist. (missingok)
    • Don’t rotate the log in case it’s empty. (notifempty)
    • Rotate the log only if its size is 100M or more. (size 100M)
    • Compress the rotated logs. (compress)

    DB logs

    We log CRITICAL/ERROR messages to enable critical DB diagnostics.
    This is automatically done by Prisma Cloud and is non-configurable.

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