Help Center/ GaussDB(DWS)/ Developer Guide/ Standard data warehouse (8.1.3.x)/ GaussDB(DWS) System Catalogs and Views/ System Views/ PV_INSTANCE_TIME
Updated on 2023-04-14 GMT+08:00
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PV_INSTANCE_TIME

PV_INSTANCE_TIME collects statistics on the running time of processes and the time consumed in each execution phase, in microseconds.

PV_INSTANCE_TIME records time consumption information of the current node. The time consumption information is classified into the following types:

  • DB_TIME: effective time spent by jobs in multi-core scenarios
  • CPU_TIME: CPU time spent
  • EXECUTION_TIME: time spent within executors
  • PARSE_TIME: time spent on parsing SQL statements
  • PLAN_TIME: time spent on generating plans
  • REWRITE_TIME: time spent on rewriting SQL statements
  • PL_EXECUTION_TIME: execution time of the PL/pgSQL stored procedure
  • PL_COMPILATION_TIME: compilation time of the PL/pgSQL stored procedure
  • NET_SEND_TIME: time spent on the network
  • DATA_IO_TIME: I/O time spent
Table 1 PV_INSTANCE_TIME columns

Name

Type

Description

stat_id

integer

Type ID

stat_name

text

Running time type name

value

bigint

Running time value
Parent topic: System Views