Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ Schemas/ DBE_PERF Schema/ Cache and I/O/ SUMMARY_STATIO_SYS_INDEXES
Updated on 2024-06-03 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, as described in Table 1.

Table 1 SUMMARY_STATIO_SYS_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.
Parent topic: Cache and I/O