The customer database reads and writes slowly, and the preliminary analysis of the hard disk reads and writes slowly, and the failure to meet the performance indicators promised by the hard disk is reported to Huawei engineers to cooperate with the solution

B. The customer can check which table is slow to read and write, and if a suitable rope is not establisheD. a new index will be created

The customer database is slow to read and write, the preliminary analysis network delay is large, and there is a bottleneck in the bandwidth within the bandwidth purchase range, then the fault is reported to Huawei engineers to cooperate and solve

D. In order to solve the fault as soon as possible, the customer does not need to analyze the preliminary analysis and directly report the fault