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v3.0

Documentation:v3.0

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GLOBAL_STAT_SESSION_CU

GLOBAL_STAT_SESSION_CU is used to query the CU hit rate of running sessions on each node in MogDB. The data about a session is cleared when you exit this session or restart MogDB.

Table 1 GLOBAL_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
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