Help Center/ GaussDB/ Centralized_8.x/ Schemas/ DBE_PERF Schema/ Object/ STAT_SYS_TABLES

Updated on 2024-06-03 GMT+08:00

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STAT_SYS_TABLES

Displays status information about all the system catalogs in the pg_catalog, information_schema, and pg_toast schemas on the current node, as described in Table 1.

**Table 1** STAT_SYS_TABLES columns
Name	Type	Description
relid	oid	OID of the table.
schemaname	name	Name of the schema where the table is located.
relname	name	Table name.
seq_scan	bigint	Number of sequential scans initiated on the table.
seq_tup_read	bigint	Number of live rows fetched by sequential scans.
idx_scan	bigint	Number of index scans initiated on the table.
idx_tup_fetch	bigint	Number of live rows fetched by index scans.
n_tup_ins	bigint	Number of rows inserted.
n_tup_upd	bigint	Number of rows updated.
n_tup_del	bigint	Number of rows deleted.
n_tup_hot_upd	bigint	Number of rows updated by HOT (that is, the number of rows whose index columns are not updated).
n_live_tup	bigint	Estimated number of live rows.
n_dead_tup	bigint	Estimated number of inactive rows.
last_vacuum	timestamp with time zone	Last time at which this table was manually vacuumed (not counting VACUUM FULL).
last_autovacuum	timestamp with time zone	Last time when the table was vacuumed by the autovacuum daemon thread.
last_analyze	timestamp with time zone	Last time at which the table was manually analyzed.
last_autoanalyze	timestamp with time zone	Last time when the table was analyzed by the autovacuum daemon thread.
vacuum_count	bigint	Number of times that the table has been manually vacuumed (not counting VACUUM FULL).
autovacuum_count	bigint	Number of times this table has been vacuumed by the autovacuum daemon.
analyze_count	bigint	Number of times the table has been manually analyzed.
autoanalyze_count	bigint	Number of times the table has been analyzed by the autovacuum daemon thread.
last_updated	timestamp with time zone	Time when the monitoring data of the object in the view is updated for the last time.