Updated on 2025-07-15 GMT+08:00

GS_STAT_SESSION_CU

GS_STAT_SESSION_CU queries the CU hit rate of running sessions on each node in the entire cluster. This data about a session is cleared when you exit this session After the cluster is restarted, the statistics are also cleared. This view can be viewed only by the users with SYSADMIN or MONADMIN permission.

Table 1 GS_STAT_SESSION_CU columns

Name

Type

Description

node_name1

text

Node name

mem_hit

integer

Number of memory hits

hdd_sync_read

integer

Number of synchronous hard disk reads

hdd_asyn_read

integer

Number of asynchronous hard disk reads