Help Center/ GaussDB/ Developer Guide(Distributed_2.x)/ Schemas/ DBE_PERF Schema/ Session and Thread/ SESSION_MEMORY

Updated on 2023-10-23 GMT+08:00

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SESSION_MEMORY

SESSION_MEMORY collects statistics about memory usage at the session level in the unit of MB, including all the memory allocated to Postgres and stream threads on DNs for jobs currently executed by users.

**Table 1** SESSION_MEMORY columns
Name	Type	Description
sessid	text	Thread start time and ID
init_mem	integer	Memory allocated to the currently executed job before the job enters the executor
used_mem	integer	Memory allocated to the currently executed job
peak_mem	integer	Peak memory allocated to the currently executed job

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