GLOBAL_ADIO_COMPLETER_STATUS
GLOBAL_ADIO_COMPLETER_STATUS displays statistics about the AIO Completer thread in all cluster instances, as described in Table 1. The view needs to be queried on a CN. An error is reported when the view is queried on a DN.
| Parameter | Type | Description |
|---|---|---|
| node_name | text | Instance name. |
| tid | bigint | ID of the AIO Completer thread. |
| thread_type | text | AIO Completer thread type (read or write). |
| aio_submitted_num | bigint | Number of committed asynchronous I/O requests of the AIO Completer thread. |
| aio_completed_num | bigint | Number of completed asynchronous I/O requests of the AIO Completer thread. |
| aio_incompleted_num | bigint | Number of asynchronous I/O requests that are not completed of the AIO Completer thread. |
| slot_count_left | bigint | Indicates the number of idle slots. |
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