Updated on 2025-02-27 GMT+08:00

GS_STAT_SESSION_CU

GS_STAT_SESSION_CU queries the CU hit rate of running sessions on each node of the entire database. The data about a session is cleared after you exit this session or restart the database.

Table 1 GS_STAT_SESSION_CU columns

Name

Type

Description

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.