GLOBAL_STAT_DB_CU

GLOBAL_STAT_DB_CU queries CU hits in each database in openGauss. You can clear it using pg_stat_reset().

Table 1 GLOBAL_STAT_DB_CU columns

Name	Type	Description
node_name1	text	Node name
db_name	text	Database name
mem_hit	bigint	Number of memory hits
hdd_sync_read	bigint	Number of synchronous hard disk reads
hdd_asyn_read	bigint	Number of asynchronous hard disk reads