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v5.0

Documentation:v5.0

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Wait Events

enable_instr_track_wait

Parameter description: Specifies whether to enable real-time collection of wait event information.

In the x86-based centralized deployment scenario, the hardware configuration specifications are 32-core CPU and 256 GB memory. When the Benchmark SQL 5.0 tool is used to test performance, the performance fluctuates by about 1.4% by enabling or disabling this parameter.

This parameter is a SIGHUP parameter. Set it based on instructions provided in Table 1 GUC parameters.

Value range: Boolean

  • on indicates that the function of collecting wait event information is enabled.
  • off indicates that the function of collecting wait event information is disabled.

Default value: on

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