Help Center/ GaussDB/ Developer Guide(Distributed_2.x)/ Schemas/ DBE_PERF Schema/ Cache and I/O/ SUMMARY_STATIO_ALL_INDEXES

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

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SUMMARY_STATIO_ALL_INDEXES

SUMMARY_.STATIO_ALL_INDEXES contains I/O statistics about each index row in databases in the cluster.

**Table 1** SUMMARY_STATIO_ALL_INDEXES columns
Name	Type	Description
schemaname	name	Name of the schema that the index is in
relname	name	Name of the table that the index is created for
indexrelname	name	Index name
idx_blks_read	numeric	Number of disk blocks read from the index
idx_blks_hit	numeric	Number of cache hits in the index

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