CentOS operating system monitoring
Collect and monitor the general performance Metrics of CentOS operating system.
Configuration parameter
| Parameter name | Parameter help description |
|---|---|
| Monitoring Host | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://) |
| Monitoring name | Identify the name of this monitoring. The name needs to be unique |
| Port | Port provided by Linux SSH. The default is 22 |
| Username | SSH connection user name, optional |
| Password | SSH connection password, optional |
| Collection interval | Interval time of monitor periodic data collection, unit: second, and the minimum interval that can be set is 30 seconds |
| Whether to detect | Whether to detect and check the availability of monitoring before adding monitoring. Adding and modifying operations will continue only after the detection is successful |
| Description remarks | For more information about identifying and describing this monitoring, users can note information here |
Collection Metric
Metric set：basic
| Metric name | Metric unit | Metric help description |
|---|---|---|
| hostname | none | Host name |
| version | none | Operating system version |
| uptime | none | System running time |
Metric set：cpu
| Metric name | Metric unit | Metric help description |
|---|---|---|
| info | none | CPU model |
| cores | cores | Number of CPU cores |
| interrupt | number | Number of CPU interrupts |
| load | none | Average load of CPU in the last 1/5/15 minutes |
| context_switch | number | Number of current context switches |
| usage | % | CPU usage |
Metric set：memory
| Metric name | Metric unit | Metric help description |
|---|---|---|
| total | Mb | Total memory capacity |
| used | Mb | User program memory |
| free | Mb | Free memory capacity |
| buff_cache | Mb | Memory occupied by cache |
| available | Mb | Remaining available memory capacity |
| usage | % | Memory usage |
Metric set：disk
| Metric name | Metric unit | Metric help description |
|---|---|---|
| disk_num | blocks | Total number of disks |
| partition_num | partitions | Total number of partitions |
| block_write | blocks | Total number of blocks written to disk |
| block_read | blocks | Number of blocks read from disk |
| write_rate | iops | Rate of writing disk blocks per second |
Metric set：interface
| Metric name | Metric unit | Metric help description |
|---|---|---|
| interface_name | none | Network card name |
| receive_bytes | byte | Inbound data traffic(bytes) |
| transmit_bytes | byte | Outbound data traffic(bytes) |
Metric set：disk_free
| Metric name | Metric unit | Metric help description |
|---|---|---|
| filesystem | none | File system name |
| used | Mb | Used disk size |
| available | Mb | Available disk size |
| usage | % | usage |
| mounted | none | Mount point directory |