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fix instrument types
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Mateusz Rzeszutek committed Apr 14, 2022
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20 changes: 10 additions & 10 deletions specification/metrics/semantic_conventions/database-metrics.md
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Expand Up @@ -39,16 +39,16 @@ Instrumentation libraries for database client connection pools that collect data
following metric instruments. Otherwise, if the instrumentation library does not collect this data, these instruments
MUST NOT be used.

| Name | Instrument | Unit | Unit ([UCUM](README.md#instrument-units)) | Description |
|------------------------------------------|----------------------------|--------------|-------------------------------------------|---------------------------------------------------------------------------------------------------|
| `db.client.connections.idle.max` | Asynchronous UpDownCounter | connections | `{connections}` | The maximum number of idle open connections allowed. |
| `db.client.connections.idle.min` | Asynchronous UpDownCounter | connections | `{connections}` | The minimum number of idle open connections allowed. |
| `db.client.connections.max` | Asynchronous UpDownCounter | connections | `{connections}` | The maximum number of open connections allowed. |
| `db.client.connections.pending_requests` | Asynchronous UpDownCounter | requests | `{requests}` | The number of pending requests for an open connection, cumulative for the entire pool. |
| `db.client.connections.timeouts` | Counter | timeouts | `{timeouts}` | The number of connection timeouts that have occurred trying to obtain a connection from the pool. |
| `db.client.connections.create_time` | Histogram | milliseconds | `ms` | The time it took to create a new connection. |
| `db.client.connections.wait_time` | Histogram | milliseconds | `ms` | The time it took to obtain an open connection from the pool. |
| `db.client.connections.use_time` | Histogram | milliseconds | `ms` | The time between borrowing a connection and returning it to the pool. |
| Name | Instrument ([*](README.md#instrument-types)) | Unit | Unit ([UCUM](README.md#instrument-units)) | Description |
|------------------------------------------|----------------------------------------------|--------------|-------------------------------------------|---------------------------------------------------------------------------------------------------|
| `db.client.connections.idle.max` | UpDownCounter | connections | `{connections}` | The maximum number of idle open connections allowed. |
| `db.client.connections.idle.min` | UpDownCounter | connections | `{connections}` | The minimum number of idle open connections allowed. |
| `db.client.connections.max` | UpDownCounter | connections | `{connections}` | The maximum number of open connections allowed. |
| `db.client.connections.pending_requests` | UpDownCounter | requests | `{requests}` | The number of pending requests for an open connection, cumulative for the entire pool. |
| `db.client.connections.timeouts` | Counter | timeouts | `{timeouts}` | The number of connection timeouts that have occurred trying to obtain a connection from the pool. |
| `db.client.connections.create_time` | Histogram | milliseconds | `ms` | The time it took to create a new connection. |
| `db.client.connections.wait_time` | Histogram | milliseconds | `ms` | The time it took to obtain an open connection from the pool. |
| `db.client.connections.use_time` | Histogram | milliseconds | `ms` | The time between borrowing a connection and returning it to the pool. |

Below is a table of the attributes that MUST be included on all connection pool measurements:

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