luhuayi
177cd61a57
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: luhuayi <luhuayi@huawei.com> Co-committed-by: luhuayi <luhuayi@huawei.com>
9.1 KiB
GS_TABLE_STAT
GS_TABLE_STAT displays statistics about all tables (excluding foreign tables) of the database on the current node. The values of live_tuples and dead_tuples are real-time values, and the values of other statistical columns are accumulated values since the instance was started.
Column |
Type |
Description |
|---|---|---|
schemaname |
Name |
Namespace of a table |
relname |
Name |
Table name |
seq_scan |
Bigint |
Number of sequential scans. For a partitioned table, the sum of the number of scans of each partition is displayed. |
seq_tuple_read |
Bigint |
Number of rows scanned in sequence. |
index_scan |
Bigint |
Number of index scans. |
index_tuple_read |
Bigint |
Number of rows scanned by the index. |
tuple_inserted |
Bigint |
Number of rows inserted. |
tuple_updated |
Bigint |
Number of rows updated. |
tuple_deleted |
Bigint |
Number of rows deleted. |
tuple_hot_updated |
Bigint |
Number of rows with HOT updates. |
live_tuples |
Bigint |
Number of live tuples. Query the view on the CN. If ANALYZE is executed, the total number of live tuples in the table is displayed. Otherwise, 0 is displayed. This indicator applies only to row-store tables. |
dead_tuples |
Bigint |
Number of dead tuples. Query the view on the CN. If ANALYZE is executed, the total number of dead tuples in the table is displayed. Otherwise, 0 is displayed. This indicator applies only to row-store tables. |