Same problem here with Ubuntu Server 19.10 (cups 2.2.12-2ubuntu1) + LogLevel to debug.
Thousands of lines per second as below... it happen when printing and fill badly the logs too.
D [09/Dec/2019:11:00:16 +0100] [Job 50127] Removing document files.
D [09/Dec/2019:11:00:16 +0100] cupsdMarkDirty(---J-)
D [09/Dec/2019:11:00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files"
D [09/Dec/2019:11:00:16 +0100] [Job 50128] Removing document files.
D [09/Dec/2019:11:00:16 +0100] cupsdMarkDirty(---J-)
D [09/Dec/2019:11:00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files"
D [09/Dec/2019:11:00:16 +0100] [Job 50129] Removing document files.
D [09/Dec/2019:11:00:16 +0100] cupsdMarkDirty(---J-)
D [09/Dec/2019:11:00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files"
D [09/Dec/2019:11:00:16 +0100] [Job 50130] Removing document files.
D [09/Dec/2019:11:00:16 +0100] cupsdMarkDirty(---J-)
D [09/Dec/2019:11:00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files"
D [09/Dec/2019:11:00:16 +0100] [Job 50131] Removing document files.
D [09/Dec/2019:11:00:16 +0100] cupsdMarkDirty(---J-)
D [09/Dec/2019:11:00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files"
D [09/Dec/2019:11:00:16 +0100] [Job 50132] Removing document files.
D [09/Dec/2019:11:00:16 +0100] cupsdMarkDirty(---J-)
....
Same problem here with Ubuntu Server 19.10 (cups 2.2.12-2ubuntu1) + LogLevel to debug.
Thousands of lines per second as below... it happen when printing and fill badly the logs too.
D [09/Dec/ 2019:11: 00:16 +0100] [Job 50127] Removing document files. 2019:11: 00:16 +0100] cupsdMarkDirty( ---J-) 2019:11: 00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files" 2019:11: 00:16 +0100] [Job 50128] Removing document files. 2019:11: 00:16 +0100] cupsdMarkDirty( ---J-) 2019:11: 00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files" 2019:11: 00:16 +0100] [Job 50129] Removing document files. 2019:11: 00:16 +0100] cupsdMarkDirty( ---J-) 2019:11: 00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files" 2019:11: 00:16 +0100] [Job 50130] Removing document files. 2019:11: 00:16 +0100] cupsdMarkDirty( ---J-) 2019:11: 00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files" 2019:11: 00:16 +0100] [Job 50131] Removing document files. 2019:11: 00:16 +0100] cupsdMarkDirty( ---J-) 2019:11: 00:16 +0100] cupsdSetBusyState: newbusy="Dirty files", busy="Dirty files" 2019:11: 00:16 +0100] [Job 50132] Removing document files. 2019:11: 00:16 +0100] cupsdMarkDirty( ---J-)
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