This topic lists the frequently asked questions (FAQ) about using PTS.
Billing
Concurrency and RPS
- In RPS mode, why is the current TPS higher than the configured RPS?
- How is the number of concurrent users calculated in RPS mode?
- In concurrent mode, why does the TPS vary for the same number of concurrent users?
- Why does the stress test fail to reach the configured 300 concurrent users?
- How do I set the target number of concurrent users or target RPS?
- How do I set the starting and target levels in a scenario?
- What is the difference between the number of concurrent connections for SLB and the number of concurrent users in PTS?
JMeter stress testing
- How do I enable the feature that is compatible with native JMeter stress testing?
- Why does the __CSVRead function fail to read values?
- Why does a JMeter download impersonation test stop and report an error after running for a period of time?
- How is data collected in a JMeter-integrated stress test?
- Why is the "java.net.SocketException: Socket closed" error reported in the sampling log?
- Why does a JMeter stress test stop soon after it starts?
- Why does the rendezvous point set in JMeter not take effect?
- Why does the Synchronizing Timer work locally but not in PTS?
- Why are requests sent repeatedly during a stress test even though a Once Only Controller is set in the script?
- How do I simulate a scenario where a request is sent only once?
- Why does debugging a JMeter script in the PTS console produce no results?
Parameters and functions
- How does PTS read parameters from multiple files in concurrent mode and RPS mode?
- Basic operations
- Why is the JSON format in the request body different from the configured format during debugging and stress testing (such as spaces and line breaks)?
- How do I nest and use system functions and strings together?
Common errors
Other
- How do I simulate a Captcha operation?
- Why are the hash symbol (#) and the subsequent content in a URL automatically omitted after I save the URL?
- How are the request bandwidth and response bandwidth of a stress test calculated?
- What are the maximum limits for files and input boxes?
- What do the percentile values in a stress testing report mean?
- Can PTS be used to stress test WeChat mini programs?
- Can Performance Testing only be used to stress test sites hosted on Alibaba Cloud?
- How do I obtain the IP addresses of PTS stress testing agents?
- Why is the response body garbled in the debug or sampling log?
- Why do errors or timeouts occur during a stress test even when the backend pressure is low?
- What do I do if the stress testing traffic from PTS cannot directly access my web application due to a security policy?
- Can I obtain an official seal from Alibaba Cloud on my stress testing report?
- Why is the actual request timeout period during a stress test different from the one configured in the Advanced Settings?
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