You problem is something else. All journal files with 0 bytes is bad.
It looks like the npcd cannot write the performance data to the rrdcached daemon.
Please check the log files of your npcd / rrdcached.
You problem is something else. All journal files with 0 bytes is bad.
It looks like the npcd cannot write the performance data to the rrdcached daemon.
Please check the log files of your npcd / rrdcached.