Abstract: There are provided a data preprocessing device and a method thereof. A data preprocessing device according to an embodiment of the present disclosure includes a risk level analyzing unit configured to calculate a failure risk level of a target system using failure history information of the target system and characteristic information of the target system; a collection period setting unit configured to determine a data collection period from the target system according to the calculated failure risk level; and a preprocessing unit configured to preprocess data collected from the target system according to the data collection period.

Abstract: A system and method for managing multi-cloud distribution are provided. The system includes a distribution manager installation device configured to install a distribution manager for constructing a cloud computing environment in a target system according to a distribution manager construction request of a user, and control a change of the cloud computing environment constructed in the target system according to a change request of the user; and a distribution management information storage configured to store and manage distribution manager installation information, a server template, a server image, and cloud system configuration information of the target system.

Abstract: There are provided a data preprocessing device and a method thereof. A data preprocessing device according to an embodiment of the present disclosure includes a risk level analyzing unit configured to calculate a failure risk level of a target system using failure history information of the target system and characteristic information of the target system; a collection period setting unit configured to determine a data collection period from the target system according to the calculated failure risk level; and a preprocessing unit configured to preprocess data collected from the target system according to the data collection period.

Abstract: The present invention relates to a method of managing a distributed database and constituent nodes of the database. According to the present invention, it is possible to perform flexible, automatic, and dynamic sharding that can sense whether a specific node needs to be sharded, and can automatically apply an optimal sharding strategy to be applied to database sharding or provide the optimal sharding strategy to at least a manager, by establishing an optimal measure on the basis of the database configuration, the data size, and the transaction quantity for each data.