https://bz.apache.org/bugzilla/show_bug.cgi?id=64103
Bug ID: 64103
Summary: Throughput controller causes stack overflow/latency
spike towards end of test
Product: JMeter
Version: 4.0
Hardware: PC
Status: NEW
Severity: major
Priority: P2
Component: Main
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: JMETER_6.0.0
Created attachment 36983
--> https://bz.apache.org/bugzilla/attachment.cgi?id=36983&action=edit
Test Plan
Whenever I have a throughput controller paired with a http sampler, I get the
occasional stack overflow error when trying to generate a dashboard report.
I've included a basic script of what my test plan looks like, but it basically
goes like this:
Thread group - 250 users
-Read value line by line from a csv file
-Include value in http payload in the form of a POST request to a server
-Throughput total executions for 1 Million requests. I want the test to
gracefully end and generate dashboard after it fulfills this
More often than not I have an error at the last step. And in addition to that,
during the very last step of running this test the latency has a huge spike.
>From an average max of ~100 ms to sometimes ~900000 ms. I even tested with a
different server and its the same behavior.
And for clarity sake, I'm encountering problematic behaviors towards the end of
the test when I use a throughput controller. Either the test wraps up cleanly,
stack overflows, or has a huge lag spike before the report is created.
I'll try attaching the error message from log in addition to test plan. I've
seen similar bug requests involving if statements, but I can confirm there are
no explicit if statements in my test plan.
+Java 8
+20GB Heap memory, modified registry timedwaitdelay and maxuserport for max
values
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