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I have jmeter Thread. In thread I have 20 samples. i need to test 300 users per 15 minutes test for 24 hour.

I am facing Pthread failure error.

I tried looping. But it is running in just 1 or 2 hours Could some one help? enter image description here

Ashwinnayak Tendulkar
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2 Answers2

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Your have not specified the error. I would like to suggest increase the heap of jmeter.

Procedure to increase heap size in JMeter:
1. Go to the bin folder of JMeter apache-jmeter-<version> -> bin
2. Right-click and open jmeter.bat file in notepad or notepad++
3. Search for the keyword ‘set Heap’
4. You can see the default heap size (1 GB – may vary in your JMeter version)
5. set HEAP=-Xms1g -Xmx1g -XX:MaxMetaspaceSize=256m
6. Change the -Xms (initial heap size) and -Xmx (maximum heap size) values. You can increase these values up to 80% of total heap. In my case, I just increased the max heap size value. Refer to the below arguments:
set HEAP=-Xms1g -Xmx2g -XX:MaxMetaspaceSize=256m

OR a better option is running the test in distributed mode when you are running a long test. Refer this.

Dharman
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Santosh sanwal
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If you want your test to run 24 hours set Loop Count in the Thread Group to Infinite and "Duration" to 86400000

enter image description here

If your test ends prematurely check jmeter.log file, it should contain the reason, if the reason is not there - check for any .hprof files in JMeter's working directory

With regards to your test plan overall design: are you aware that all your Pre-Processors which are visible at the screenshot will be executed before each sampler and whether it is something you really want to do? Most probably you should move them to be children of specific Samplers, see JMeter Scoping Rules - The Ultimate Guide for more details.

Dmitri T
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