IT monitoring system migration method

The invention relates to an IT (Information Technology) monitoring system migration method, which comprises the following steps of: carding various library table lists in an IT monitoring system, and determining library table types based on updating frequencies of library tables; for the distribution table, confirming a distribution column of the distribution table based on a distribution column selection strategy, and dividing and confirming data storage duration, partitions and a data hot and cold strategy based on IT monitoring data characteristics and application scenes; constructing a migration information table based on the library table type and the distribution table related information; migrating the migration information table to a target database; adjusting a program to adapt to a database drive; and formulating a data hierarchical migration strategy, and carrying out migration according to the migration strategy. According to the method, the migration from the centralized database to the distribut