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.
Parameter type: Boolean.
Unit: none
Value range:
- 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
Setting method: This is a SIGHUP parameter. Set it based on instructions provided in Table 1.
Setting suggestion: You are advised to set it to on.
Risks and impacts of improper settings: If this parameter is disabled, wait events cannot be collected in real time, which makes it difficult to locate faults in a timely manner.
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.
For any further questions, feel free to contact us through the chatbot.
Chatbot