Help Center/ GaussDB/ Developer Guide(Distributed_V2.0-8.x)/ Schemas/ DBE_PERF Schema/ File/ SUMMARY_REL_IOSTAT

Updated on 2025-05-29 GMT+08:00

View PDF

SUMMARY_REL_IOSTAT

Obtains statistics about data file I/Os on all nodes, as described in Table 1.

**Table 1** SUMMARY_REL_IOSTAT columns
Name	Type	Description
phyrds	numeric	Number of times of reading physical files.
phywrts	numeric	Number of times of writing into physical files.
phyblkrd	numeric	Number of times of reading physical file blocks.
phyblkwrt	numeric	Number of times of writing into physical file blocks.
dbid	oid	In the distributed database, the value is always 0.

Parent topic: File

Previous topic: GLOBAL_REL_IOSTAT

Next topic: Object

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.