Fields collected from data centers by using idc-scanner-Migration Hub(CMH)-阿里云帮助中心

The idc-scanner tool of Cloud Migration Hub (CMH) collects server specifications, performance metrics, process details, and network information from servers in your data centers.

Specifications

The idc-scanner tool collects server specifications from the /proc filesystem. The following table lists the key fields.

Field	Description
CPU	The CPU model and the number of CPU cores.
Load	The system load.
Memory	The memory size and usage.
Disk	The size of each disk.
...	Others.

Performance

The idc-scanner tool collects performance metrics from the /proc filesystem. The following table lists the key fields.

Field	Description
%CPU	The CPU utilization, in percentage.
%MEM	The memory usage, in percentage.
DISK_IOPS	The IOPS of each disk.
DISK_KBPS	The bandwidth of each disk.
NET_KBPS	The network bandwidth.
...	Others.

Processes

The idc-scanner tool collects process information from the /proc filesystem. The following table lists the key fields.

Field	Description
PPid	The ID of the parent process.
Pid	The ID of the process.
Name	The abbreviated process name.
VmSize	The current memory usage of the process.
VmPeak	The peak memory usage of the process.
VmSwap	The size of the swap space used by the process.
State	The state of the process.
Thread	The total number of threads in the process.
Cmdline	The command line used to start the process.
...	Others.

Network

The idc-scanner tool collects network information from the /proc filesystem and works with other tools to survey network connections. The following table lists the key fields.

Field	Description
Local_Address	The IP address of the local server.
Local_Port	The port number of the local server.
Rem_Address	The IP address of the remote server.
Rem_Port	The port number of the remote server.
Pid	The ID of the process.
Orientation	The direction of the access traffic.
...	Others.