Help Center/ GaussDB/ Developer Guide(Distributed_2.x)/ System Catalogs and System Views/ System Views/ GS_STAT_SESSION_CU

Updated on 2023-10-23 GMT+08:00

View PDF

GS_STAT_SESSION_CU

GS_STAT_SESSION_CU queries the CU hit rate of running sessions on each node in a cluster. This data about a session is cleared when you exit this session After the cluster is restarted, the statistics are also cleared. This view can be viewed only by the users with monitor admin and sysadmin permission.

**Table 1** GS_STAT_SESSION_CU columns
Name	Type	Description
node_name1	text	Node name
mem_hit	integer	Number of memory hits
hdd_sync_read	integer	Number of synchronous hard disk reads
hdd_asyn_read	integer	Number of asynchronous hard disk reads

Parent topic: System Views

Previous topic: GS_STAT_DB_CU

Next topic: GS_TOTAL_NODEGROUP_MEMORY_DETAIL

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.