Updated on 2023-10-23 GMT+08:00

GLOBAL_STAT_DB_CU

GLOBAL_STAT_DB_CU displays CU hits on each node in each database in the cluster. You can clear it using gs_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 hard disk synchronous reads

hdd_asyn_read

bigint

Number of hard disk asynchronous reads