Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ Schemas/ DBE_PERF Schema/ Object/ SUMMARY_STAT_SYS_INDEXES
Updated on 2024-06-03 GMT+08:00
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SUMMARY_STAT_SYS_INDEXES

Displays the index status statistics of all system catalogs in the pg_catalog, information_schema, and pg_toast schemas of all nodes in the cluster. It is used on CNs and the index status information of system catalogs on each node is summed up, as described in Table 1.

Table 1 SUMMARY_STAT_SYS_INDEXES columns

Name

Type

Description

schemaname

name

Name of the schema where the index is located.

relname

name

Name of the table for the index.

indexrelname

name

Index name.

idx_scan

numeric

Number of index scans performed on the index.

idx_tup_read

numeric

Number of index entries returned by scans on the index.

idx_tup_fetch

numeric

Number of live rows fetched in the original table by a simple index scan that uses the index.
Parent topic: Object