Problem description
In an ECS instance of a CentOS 6.5 64-bit system, run the ethtool-G eth0 command to view the Buffer capacity of the network interface controller. The following message is displayed.
Ring parameters for eth0:
Cannot get device ring settings: Operation not supported
Cause
Currently, this system does not support the -g parameter query for ECS instances.
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.
- You can modify the configurations and data of instances including but not limited to Elastic Compute Service (ECS) and Relational Database Service (RDS) instances. Before the modification, we recommend that you create snapshots or enable RDS log backup.
- If you have authorized or submitted sensitive 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.
If you need to see the network interface controller Buffer capacity can ifconfig command in txqueuelen parameters view.
Application scope
- Elastic Compute Service