Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ Schemas/ DBE_PERF Schema/ File/ SUMMARY_REL_IOSTAT

Updated on 2024-06-03 GMT+08:00

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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.

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