Help Center/ GaussDB/ Distributed_8.x/ Schemas/ DBE_PERF Schema/ Object/ SUMMARY_STAT_ALL_INDEXES
Updated on 2024-06-03 GMT+08:00
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SUMMARY_STAT_ALL_INDEXES

Displays the access statistics of each index on each database node in a cluster. It is used on CNs. The access statistics of each node index are summed up. The timestamp column is not summed up, and only the latest value of the column on all nodes is used, as described in Table 1.

Table 1 SUMMARY_STAT_ALL_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.

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: Object