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.

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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