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v5.0

Documentation:v5.0

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GS_SESSION_MEMORY

GS_SESSION_MEMORY collects statistics about memory usage at the session level, including all the memory allocated to Postgres and Stream threads on DNs for jobs currently executed by users. This view is unavailable when enable_memory_limit is set to off.

Table 1 GS_SESSION_MEMORY columns

Name Type Description
sessid text Thread start time and ID
init_mem integer Memory allocated to the currently executed jobs before they enter the executor, in MB
used_mem integer Memory allocated to the currently executed jobs, in MB
peak_mem integer Peak memory allocated to the currently executed jobs, in MB
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