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v2.0

Documentation:v2.0

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INSTANCE_TIME

INSTANCE_TIME records time consumption information on the current cluster 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 cost.
  • EXECUTION_TIME: time spent in the executor.
  • PARSE_TIME: time spent on parsing SQL statements
  • PLAN_TIME: time spent on generating plans
  • REWRITE_TIME: time spent on rewriting SQL statements
  • PL_COMPILATION_TIME: compilation 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: time spent on I/Os.

Table 1 INSTANCE_TIME columns

Name Type Description
stat_id integer Statistics ID
stat_name text Type name
value bigint Time value (unit: μs)
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