Logs are not being rotated

[alpana17]

I have a log file at /var/splunk/journald
journal logs are converted into text and directed to this file.

I defined log rotation policy for this file at /etc/logrotate.d/journalLogs.conf
/var/splunk/journald {
daily
rotate 3
size 10M
compress
delaycompress
}

Current size of this log file is

On executing logrotate -d /etc/logrotate.d/journalLogs.conf; output is

but, ls -al /var/splunk returns

Where are the rotated log files???