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
|