Help Center/ GaussDB/ Developer Guide(Distributed_V2.0-8.x)/ Schemas/ DBE_PERF Schema/ Cache and I/O/ SUMMARY_STATIO_ALL_INDEXES
Updated on 2025-08-19 GMT+08:00
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SUMMARY_STATIO_ALL_INDEXES

SUMMARY_STATIO_ALL_INDEXES contains one row for each index in the cluster database, showing a summary of I/O statistics about specific indexes, as described in Table 1.

Table 1 SUMMARY_STATIO_ALL_INDEXES columns

Name

Type

Description

schemaname

name

Name of the schema that contains the index.

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.

last_updated

timestamp with time zone

Time when the monitoring data of the index in the view is updated for the last time.
Parent topic: Cache and I/O