Updated on 2024-09-30 GMT+08:00

GS_SESSION_MEMORY_STATISTICS

GS_SESSION_MEMORY_STATISTICS displays load management information about memory usage of ongoing complex jobs executed by the current user.

Table 1 GS_SESSION_MEMORY_STATISTICS columns

Name

Type

Description

datid

oid

OID of the database the backend is connected to.

usename

name

Username logged in to the backend.

pid

bigint

Backend thread ID.

start_time

timestamp with time zone

Start time of statement execution.

min_peak_memory

integer

Minimum memory peak of a statement across all DNs, in MB

max_peak_memory

integer

Maximum memory peak of a statement across all DNs, in MB

spill_info

text

Spill information for the statement on all DNs. The options are:

None: The statement has not been spilled to disks on any DNs.

All: The statement has been spilled to disks on all DNs.

[a:b]: The statement has been spilled to disks on a of b DNs.

query

text

Statement currently being executed.

node_group

text

Logical cluster of the user running the statement.