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GS_STAT_SESSION_CU

GS_STAT_SESSION_CU queries the CU hit rate of running sessions on each node in a cluster. This data about a session is cleared when you exit this session or restart the cluster.

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 hard disk synchronous reads

hdd_asyn_read

integer

Number of hard disk asynchronous reads