This topic describes monitoring metrics related to the I/O throughput within an OceanBase Database tenant. You can specify a statistical period to query the I/O throughput statistics in a single zone or on a single OBServer of an OceanBase Database tenant.
read
Definition
The amount of data read from SSStores in a tenant per second in the specified statistical period.
Description
| Metric | Metric field name | Unit |
|---|---|---|
| read | io_read_size | Bytes. For more information about the specific unit used, see the corresponding chart. |
Calculation expression
sum(rate(ob_sysstat{stat_id="60002",@LABELS}[@INTERVAL])) by (@GBLABELS)
write
Definition
The amount of data written to SSStores in a tenant per second in the specified statistical period.
Description
| Metric | Metric field name | Unit |
|---|---|---|
| write | io_write_size | Bytes. For more information about the specific unit used, see the corresponding chart. |
Calculation expression
sum(rate(ob_sysstat{stat_id="60005",@LABELS}[@INTERVAL])) by (@GBLABELS)