Multi-index anomaly detection method based on neural network
An anomaly detection and neural network technology, applied in the computer field, can solve the problems of system measurement fluctuation noise, large learning overhead, etc., and achieve high prediction accuracy, scalability, and effective system behavior learning.
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[0038] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, as figure 1 As shown, the implementation steps are as follows:
[0039] Step 1: Define the data format;
[0040]Data set D has a total of n data points and d dimensions, including time, index 1, index 2, index 3... index d; the i-th row of data can be expressed as a d-dimensional vector: x(t)=(xi1, xi2,...,xid); where xid represents a system metric, such as CPU, memory, disk I / O, or network traffic, and uses a vector of measurements as input for training a SOM; a SOM consists of a set of neurons arranged in a lattice Each neuron is assigned a different weight vector and map coordinates, the weight vector and the measurement vector have the same length, and the vector in the training data is dynamically updated according to the measurement value;
[0041] Step 2: Use SOM to train the system model, which is defined as the learning process Learning Proces...
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