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User name R. Michaels
Log entry time 21:02:09 on February 7,2000
Entry number 33052
keyword=scaler oddities, rate observation
The scaler history file /home/adev/scaler/scaler_history.dat
has multiple entries for some runs like 1854, 1875, 1967
where apparently CODA crashed and the shift pressed
"end" several times. No big problem since scalers are
also inserted in the data stream, but potentially dangerous
if one uses scaler history for normalization -- some entries
differ by minutes.
This weekend's time-averaged DAQ rate (beam-on runs
longer than 10 minutes) dropped from 1 kHz to 270 Hz
after my "fixes" Sunday. The problems may come back
at high rates.