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SUMMARY_STAT_ALL_TABLES

Updated on 2024-05-07 GMT+08:00

Displays the sum of the status information of each table (including the TOAST table) in the cluster database. It is used on the CN. The status information in the table on each node is summed up. The timestamp column is not summed up and only the latest value of this column on all nodes is used.

Table 1 SUMMARY_STAT_ALL_TABLES columns

Name

Type

Description

schemaname

name

Name of the schema where the table is located.

relname

name

Table name

seq_scan

numeric

Number of sequential scans initiated on the table

seq_tup_read

numeric

Number of live rows fetched by sequential scans

idx_scan

numeric

Number of index scans initiated on the table

idx_tup_fetch

numeric

Number of live rows fetched by index scans

n_tup_ins

numeric

Number of rows inserted

n_tup_upd

numeric

Number of rows updated

n_tup_del

numeric

Number of rows deleted

n_tup_hot_upd

numeric

Number of rows updated by HOT (that is, the number of rows whose index columns are not updated).

n_live_tup

numeric

Estimated number of live rows

n_dead_tup

numeric

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 this table was manually analyzed

last_autoanalyze

timestamp with time zone

Last time when the table was analyzed by the autovacuum daemon thread.

vacuum_count

numeric

Number of times this table has been manually vacuumed (not counting VACUUM FULL)

autovacuum_count

numeric

Number of times this table has been vacuumed by the autovacuum daemon

analyze_count

numeric

Number of times this table has been manually analyzed

autoanalyze_count

numeric

Number of times the table has been analyzed by the autovacuum daemon thread.

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