Help Center/ GaussDB/ Developer Guide(Distributed_2.x)/ Schemas/ DBE_PERF Schema/ Cache and I/O/ SUMMARY_STATIO_SYS_INDEXES
Updated on 2023-10-23 GMT+08:00
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SUMMARY_STATIO_SYS_INDEXES

SUMMARY_STATIO_SYS_INDEXES displays I/O status information about all system catalog indexes in namespaces in the cluster.

Table 1 SUMMARY_STATIO_SYS_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
Parent topic: Cache and I/O