ibingdian opened a new issue, #6233: URL: https://github.com/apache/jmeter/issues/6233
### Expected behavior open the file immedidately ### Actual behavior open the file used 10 minute or longer ### Steps to reproduce the problem [report_jmx.zip](https://github.com/apache/jmeter/files/14061322/report_jmx.zip) in the jmx, i have a httpsample , and it`s request param is a big json ,about 600k, when load the file ,the jmeter hangs up. how to solve the problem. the jmx is in report_jmx.zip. the jvm are as follow  ### JMeter Version 5.6.3 ### Java Version 1.8 ### OS Version windows -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@jmeter.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org