perl -I../common/lib sbin/1off/enqueue-client-info.pl --queue=ac-client-info --max-workers=4 
[18656] OFFSET 2 at sbin/1off/enqueue-client-info.pl line 50.
[18657] OFFSET IN CHILD 2 at sbin/1off/enqueue-client-info.pl line 52.
[18656] OFFSET 5003 at sbin/1off/enqueue-client-info.pl line 50.
[18657] 1 started in just now = 945.088778729157/sec
[18656] OFFSET 10004 at sbin/1off/enqueue-client-info.pl line 50.
[18656] OFFSET 15005 at sbin/1off/enqueue-client-info.pl line 50.
[18659] OFFSET IN CHILD 10004 at sbin/1off/enqueue-client-info.pl line 52.
[18659] 1 started in just now = 227.321229201669/sec
[18658] OFFSET IN CHILD 5003 at sbin/1off/enqueue-client-info.pl line 52.
[18658] 1 started in just now = 96.9557096625058/sec
[18660] OFFSET IN CHILD 15005 at sbin/1off/enqueue-client-info.pl line 52.
[18660] 1 started in just now = 91.8957100915823/sec
[18657] ID: 1185 at sbin/1off/enqueue-client-info.pl line 84.
[18658] ID: 37056 at sbin/1off/enqueue-client-info.pl line 84.
[18659] ID: 37056 at sbin/1off/enqueue-client-info.pl line 84.
[18660] ID: 37056 at sbin/1off/enqueue-client-info.pl line 84.
[18658] ID: 37060 at sbin/1off/enqueue-client-info.pl line 84.
[18659] ID: 37060 at sbin/1off/enqueue-client-info.pl line 84.
[18660] ID: 37060 at sbin/1off/enqueue-client-info.pl line 84.
[18657] ID: 1197 at sbin/1off/enqueue-client-info.pl line 84.