Object stats
Object stats contains three tables: User Tables stats, User index stats, and Bad lock stats. Columns in the tables are described as follows:
User Tables stats
Column |
Description |
---|---|
Node Name |
Node name. |
DB Name |
Database name. |
Schema |
Schema name. |
Relname |
Relation name. |
Seq Scan |
Number of sequential scans initiated on this table. |
Seq Tup Read |
Number of live rows fetched by sequential scans. |
Index Scan |
Number of index scans initiated on the table. |
Index Tup Fetch |
Number of live rows fetched by index scans. |
Tuple Insert |
Number of rows inserted. |
Tuple Update |
Number of rows updated. |
Tuple Delete |
Number of rows deleted. |
Tuple Hot Update |
Number of rows HOT updated (with no separate index updated). |
Live Tuple |
Estimated number of live rows. |
Dead Tuple |
Estimated number of dead rows. |
Last Vacuum |
Last time at which this table was manually vacuumed (not counting VACUUM FULL). |
Last Autovacuum |
Last time at which this table was vacuumed by the autovacuum daemon. |
Last Analyze |
Last time at which this table was manually analyzed. |
Last Autoanalyze |
Last time at which this table was analyzed by the autovacuum daemon. |
Vacuum Count |
Number of times the table has been manually vacuumed (not counting VACUUM FULL). |
Autovacuum Count |
Number of times the table has been vacuumed by the autovacuum daemon. |
Analyze Count |
Number of times the table has been manually analyzed. |
Autoanalyze Count |
Number of times the table has been analyzed by the autovacuum daemon. |
User index stats
Column |
Description |
---|---|
Node Name |
Node name. |
DB Name |
Database name. |
Schema |
Schema name. |
Relname |
Relation name. |
Index Relname |
Index name. |
Index Scan |
Number of index scans initiated on the index. |
Index Tuple Read |
Number of index entries returned by scans on the index. |
Index Tuple Fetch |
Number of live table rows fetched by simple index scans using the index. |
Bad lock stats
Column |
Description |
---|---|
DB Id |
OID of the database. |
Tablespace Id |
Tablespace OID. |
Relfilenode |
File object ID. |
Fork Number |
File type. |
Error Count |
Number of failures. |
First Time |
First occurrence time. |
Last Time |
Last occurrence time. |
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