Shulou(Shulou.com)06/03 Report--

Hello, everyone. What I share with you today is the pit encountered in the migration of traditional databases to Aliyun odps.

Problem description: when the traditional database oracle migrates the database to Aliyun odps, the rate begins to be normal, and then it is observed that the rate is getting slower and slower in the process of transmission.

Solution: 1. Checked the logs in the control container and found no problems.

two。 Check the connectivity of the network at that time, there is no problem with the network, the connection is normal; 3. Checked the container of the synchronization task and found no task problem; 4. After the coordination of odps experts conducted a consultation, after investigation, because the underlying storage system, when performing read and write operations, there is a machine is very slow, so when performing synchronization tasks, as long as the task

When running to this nc, the transmission speed immediately dropped, so it was finally confirmed that there was a problem with the network card connection of this nc machine, and then went to the computer room for investigation. It was found that the network cable of the secondary machine had not been checked well and belonged to the continued state, so the light port of its nc was plugged in later, and the error did not appear.

Thank you for your support for the New year tour.

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