Help Center/ GaussDB(DWS)/ Developer Guide/ Developer Guide (9.1.0.x)/ GaussDB(DWS) System Catalogs and Views/ System Views/ GS_STAT_SESSION_CU

Updated on 2025-07-22 GMT+08:00

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GS_STAT_SESSION_CU

GS_STAT_SESSION_CU displays 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
Column	Type	Description
node_name1	Text	Node name
mem_hit	Integer	Number of memory hits
hdd_sync_read	Integer	Number of disk synchronous reads
hdd_asyn_read	Integer	Number of disk asynchronous reads

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