Data monitoring method and device

The invention discloses a data monitoring method and device. The method comprises the steps of: collecting data by using an ETL; packaging data needing to be monitored in the data into a monitoring object; allocating system resources, and continuously monitoring the monitored object; and calculating the monitoring object, and storing a monitoring result into a cache region. According to the methodand the device provided by the embodiment of the invention, the ETL is used for collecting the task, and the data needing to be monitored in the data of the task is packaged into the monitoring object; the system resources are allocated, and the monitored object is continuously monitored; and moreover, the monitoring object is calculated, the monitoring result is stored in the cache region, real-time monitoring is carried out with few resources, the data situation is determined and recorded, an operator can know the data situation in real time, and repairing is carried out in time when collection is abnormal. 一种数据监控方