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  5. PG_RESOURCE_POOL

PG_RESOURCE_POOL

PG_RESOURCE_POOL provides the information about database resource pool.

Table 1 PG_RESOURCE_POOL columns

Name

Type

Description

respool_name

name

Name of the resource pool

mem_percent

integer

Percentage of the memory configuration

cpu_affinity

bigint

Value of cores bound to the CPU

control_group

name

Name of the Cgroup where the resource pool is located

active_statements

integer

Maximum number of concurrent statements in the resource pool

max_dop

integer

Maximum degree of parallelism

memory_limit

name

Maximum memory of resource pool

parentid

oid

OID of the parent resource pool

io_limits

integer

Upper limit of IOPS. It is counted by ones in a column-store table and by ten thousands in a row-store table.

io_priority

text

I/O priority set for jobs that consume many I/O resources. It takes effect when the I/O usage reaches 90%.