Problem description
In a certain period of time, its instance details page monitoring information in network (the Internet) display no data, CPU usage monitoring normal. After the ECS instance is restarted, the Network (Internet) data is restored.
Possible cause
When an internal exception occurs on the ECS instance, the ERP software service is unavailable and the ERP software service cannot be connected.
Solution
Alibaba Cloud reminds you that:
- Before you perform operations that may cause risks, such as modifying instance configurations or data, we recommend that you check the disaster recovery and fault tolerance capabilities of the instances to ensure data security.
- If you modify the configurations and data of instances including but not limited to ECS and RDS instances, we recommend that you create snapshots or enable RDS log backup.
- If you have authorized or submitted security information such as the logon account and password in the Alibaba Cloud Management console, we recommend that you modify such information in a timely manner.
After the ECS instance is restarted, the network monitoring data is restored.
Note: network resource monitoring shows that the data is uploaded every 60 seconds. If the number of packets within 60 seconds is less than 100, the data is not uploaded, that is, the data is not displayed.
Application scope
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Elastic Compute Service