OS Monitoring Metrics Supported by ECSs with the Agent Installed
After installing the Agent on an ECS, you can view its OS monitoring metrics. Monitoring data is collected every 1 minute.
CPU, CPU load, memory, disk, disk I/O, file system, and NIC metrics can be monitored.
Metric |
Metric |
Metric Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|
cpu_usage_idle |
(Agent) Idle CPU Usage |
Percentage of time that CPU is idle Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_other |
(Agent) Other Process CPU Usage |
Percentage of time that the CPU is used by other processes Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_system |
(Agent) Kernel Space CPU Usage |
Percentage of time that the CPU is used by kernel space Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_user |
(Agent) User Space CPU Usage |
Percentage of time that the CPU is used by user space Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage |
(Agent) CPU Usage |
CPU usage of the monitored object Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_nice |
(Agent) Nice Process CPU Usage |
Percentage of time that the CPU is in user mode with low-priority processes which can easily be interrupted by higher-priority processes Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_iowait |
(Agent) iowait Process CPU Usage |
Percentage of time that the CPU is waiting for I/O operations to complete Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_irq |
(Agent) CPU Interrupt Time |
Percentage of time that the CPU is servicing interrupts Unit: Percent
|
0-100% |
ECSs |
1 minute |
cpu_usage_softirq |
(Agent) CPU Software Interrupt Time |
Percentage of time that the CPU is servicing software interrupts Unit: Percent
|
0-100% |
ECSs |
1 minute |
Metric |
Metric |
Metric Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|
load_average1 |
(Agent) 1-Minute Load Average |
CPU load averaged from the last 1 minute Linux: Obtain the metric value from the number of logic CPUs in load1/ in file /proc/loadavg. Run the top command to check the load1 value. |
≥0 |
ECSs |
1 minute |
load_average5 |
(Agent) 5-Minute Load Average |
CPU load averaged from the last 5 minutes Linux: Obtain the metric value from the number of logic CPUs in load5/ in file /proc/loadavg. Run the top command to check the load5 value. |
≥0 |
ECSs |
1 minute |
load_average15 |
(Agent) 15-Minute Load Average |
CPU load averaged from the last 15 minutes Linux: Obtain the metric value from the number of logic CPUs in load15/ in file /proc/loadavg. Run the top command to check the load15 value. |
≥0 |
ECSs |
1 minute |
The Windows OS does not support the CPU load metrics.
Metric |
Metric |
Metric Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|
mem_available |
(Agent) Available Memory |
Amount of memory that is available and can be given instantly to processes Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
mem_usedPercent |
(Agent) Memory Usage |
Memory usage of the instance Unit: Percent
|
0-100% |
ECSs |
1 minute |
mem_free |
(Agent) Idle Memory |
Amount of memory that is not being used Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
mem_buffers |
(Agent) Buffer |
Amount of memory that is being used for buffers Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
mem_cached |
(Agent) Cache |
Amount of memory that is being used for file caches Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
Metric |
Metric |
Metric Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|
mountPointPrefix_disk_free |
(Agent) Available Disk Space |
Free space on the disks Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
mountPointPrefix_disk_total |
(Agent) Disk Storage Capacity |
Total space on the disks, including used and free Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
mountPointPrefix_disk_used |
(Agent) Used Disk Space |
Used space on the disks Unit: GB
|
≥ 0 GB |
ECSs |
1 minute |
mountPointPrefix_disk_usedPercent |
(Agent) Disk Usage |
Percentage of total disk space that is used. It is calculated as follows: Disk Usage = Used Disk Space/Disk Storage Capacity. Unit: Percent
|
0-100% |
ECSs |
1 minute |
Metric |
Metric |
Metric Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|
disk_fs_rwstate |
(Agent) File System Read/Write Status |
Read and write status of the mounted file system of the monitored object Possible statuses are 0 (read and write) and 1 (read only). Linux: Check file system information in the fourth column in file /proc/mounts. |
0,1 |
ECSs |
1 minute |
disk_inodesTotal |
(Agent) Disk inode Total |
Total number of index nodes on the disk Linux: Run the df -i command to check the value in the Inodes column. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). |
≥ 0 |
ECSs |
1 minute |
disk_inodesUsed |
(Agent) Total inode Used |
Number of used index nodes on the disk Linux: Run the df -i command to check the value in the IUsed column. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). |
≥ 0 |
ECSs |
1 minute |
disk_inodesUsedPercent |
(Agent) Percentage of Total inode Used |
Number of used index nodes on the disk Unit: Percent Linux: Run the df -i command to check the value in the IUse% column. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and swung dashes (~). |
0-100% |
ECSs |
1 minute |
The Windows OS does not support the file system metrics.
Metric |
Metric |
Metric Description |
Value Range |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|
net_bitRecv |
(Agent) Outbound Bandwidth |
Number of bits received by this NIC per second Unit: bit/s
|
≥ 0 bits/s |
ECSs |
1 minute |
net_bitSent |
(Agent) Inbound Bandwidth |
Number of bits sent by this NIC per second Unit: bit/s
|
≥ 0 bits/s |
ECSs |
1 minute |
net_packetRecv |
(Agent) NIC Packet Receive Rate |
Number of packets received by this NIC per second Unit: Count/s
|
≥ 0 counts/s |
ECSs |
1 minute |
net_packetSent |
(Agent) NIC Packet Send Rate |
Number of packets sent by this NIC per second Unit: Count/s
|
≥ 0 counts/s |
ECSs |
1 minute |
net_tcp_total |
(Agent) TCP TOTAL |
Total number of TCP connections of the target NIC |
≥0 |
ECSs |
1 minute |
net_tcp_established |
(Agent) Number of ESTABLISHED TCP connections |
Number of ESTABLISHED TCP connections of the target NIC |
≥0 |
ECSs |
1 minute |
net_errin |
(Agent) Receive Error Rate |
Percentage of receive errors detected by this NIC per second Unit: Percent
|
0-100% |
ECSs |
1 minute |
net_errout |
(Agent) Transmit Error Rate |
Percentage of transmit errors detected by this NIC per second Unit: Percent
|
0-100% |
ECSs |
1 minute |
net_dropin |
(Agent) Received Packet Drop Rate |
Percentage of packets received by this NIC which were dropped per second Unit: Percent
|
0-100% |
ECSs |
1 minute |
net_dropout |
(Agent) Transmitted Packet Drop Rate |
Percentage of packets transmitted by this NIC which were dropped per second Unit: Percent
|
0-100% |
ECSs |
1 minute |
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