Research Article

LogCAD: An Efficient and Robust Model for Log-Based Conformal Anomaly Detection

Table 4

Experimental results on HDFS unstable log sequences.

Injection rate (%)ClassifierAccuracyPrecisionRecallF1MCC

5LR0.9990.940.9970.9670.967
SVM0.9960.8490.9940.9160.917
NB0.9960.8490.9980.9180.919
LogRobust0.9960.9900.9300.9600.965
CP0.9980.94610.9720.972
LogCAD10.99210.9960.996

10LR0.9980.940.9840.9610.961
SVM0.9960.8480.9890.9130.914
NB0.9960.8490.9930.9150.916
LogRobust0.9970.9400.9900.9610.964
CP0.9980.94610.9720.972
LogCAD0.9990.9960.9920.9940.994

15LR0.9980.940.9840.9610.961
SVM0.9960.8480.9890.9130.914
NB0.9960.8490.9990.9960.992
LogRobust0.9980.9800.9100.9400.960
CP0.9980.9450.9920.9680.968
LogCAD10.9920.9920.9920.992

20LR0.9980.9390.9830.9600.960
SVM0.9930.8460.9870.9110.909
NB0.9950.8540.9790.9120.910
LogRobust0.9980.9200.9700.9500.960
CP0.9980.9460.9960.970.97
LogCAD0.9990.9750.9960.9850.985