This topic describes the performance metric request queue time in an OceanBase cluster. You can specify a statistical period to query the request queue time in a single zone or on a single OBServer of an OceanBase cluster.
Request queue time
Definition
The time consumed by an SQL statement waiting in a queue.
Description
| Metric | Metric field name | Unit |
|---|---|---|
| queue_time | request_queue_time | Microseconds |
Calculation expression
sum(rate(ob_sysstat{stat_id="20002",@LABELS}[@INTERVAL])) by (@GBLABELS) / sum(rate(ob_sysstat{stat_id="20001",@LABELS}[@INTERVAL])) by (@GBLABELS)