Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ Schemas/ DBE_PERF Schema/ Utility/ GLOBAL_ADIO_COMPLETER_STATUS
Updated on 2024-06-03 GMT+08:00
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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.

Table 1 GLOBAL_ADIO_COMPLETER_STATUS columns

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.
Parent topic: Utility