GLOBAL_WLM_RESPOOL_IO_INFO
This view is used to view the real-time I/O usage of resource pools on all nodes in a distributed system. Only the user with the SYSADMIN or MONADMIN permission can query this view.
This view can be used to query only the data on the primary DN. You need to log in to the standby node and use the system function gs_wlm_respool_io_info() to query the usage of I/Os.
Name |
Type |
Description |
---|---|---|
node_name |
name |
Node name. |
respool_name |
name |
Name of a resource pool. |
io_limits |
integer |
Upper limit of IOPS. The value 0 indicates there is no limit.
|
io_priority |
text |
I/O priority set for jobs that consume I/O resources. It takes effect when the I/O usage reaches 90%. None indicates there is no control. |
current_iops |
integer |
Number of times that the current I/O has been triggered. The current I/O statistics occasionally exceed the upper limit, which is related to the I/O statistics algorithm and is normal. |
1 2 3 4 5 6 7 8 |
gaussdb=# SELECT * FROM GLOBAL_WLM_RESPOOL_CONCURRENCY_INFO; node_name | respool_name | io_limits | io_priority | current_iops --------------+--------------+-----------+-------------+-------------- coordinator1 | default_pool | 0 | None | 0 datanode2 | default_pool | 0 | None | 0 datanode3 | default_pool | 0 | None | 0 datanode1 | default_pool | 0 | None | 0 (4 rows) |
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