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amazon-redshift amazon-web-services java jmeter jmeter-5.0

JMETER: JMeter 5.3 java.lang.OutOfMemoryError. During Jmeter execution

发布于 2020-12-02 15:06:20

I have configured a Testplan using Jmeter shown below in the image and have been using the CLI to run my parallel load tests. MAC USER

I have configured a connection with my AWS RedShift database, when I check my queries monitoring, all of the queries get stuck in a Running state.

After some time, on my terminal, i get the following error: JMeter 5.3 java.lang.OutOfMemoryError.

I have gone into my bin/jemeter file and have made the memory changes but I am still facing the same issue.

When I run the same queries from DBeaver, the queries are run and completed and can be seen on Redshift query monitoring.

How can I solve the memory problem in order for the queries to run without being stuck in a running state?

Below is the Error i am getting even after increasing the heap size to 5 gigabytes.

WARNING: package sun.awt.X11 not in java.desktop
Creating summariser <summary>
Created the tree successfully using //Users/mbyousaf/Desktop/redshit-test/test-redhsift.jmx
Starting standalone test @ Wed Dec 02 14:53:17 GMT 2020 (1606920797442)
Waiting for possible Shutdown/StopTestNow/HeapDump/ThreadDump message on port 4445
Warning: Nashorn engine is planned to be removed from a future JDK release
java.lang.OutOfMemoryError: Java heap space
Dumping heap to java_pid35596.hprof ...
Heap dump file created [3071802740 bytes in 3.747 secs]

Questioner

Bilal Yousaf

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0

Dmitri T 2020-12-02 23:34:33

Which exact OutOfMemoryError? There are several possible reasons:

Lack of heap space, if this is the case - you're looking at the right place, just make sure that your changes are applied
GC Overhead Limit Exceeded occurs when the GC executing almost 100% of time not leaving the program any chance to do its job
Requested array size exceeds VM limit when the program tries to create too large objects
Unable to Create New Native Thread when the program cannot create a new thread because the operating system doesn't allow it
and so on

It's not possible to state what's wrong without seeing your full test plan (at least screenshot) as it might be the case you added tons of Listeners and each of them stores large DB query response in memory and jmeter.log file (definitely not in the form of screenshot) which in the majority of cases contains either the cause of the problem or at least a clue

Bilal Yousaf 2020-12-02 15:43:12

I have removed all Listeners from the test plan and as it only contains the JDBC requests that I have added. The outodMemoryError is linked with the heap space, I have increased the size but it still takes a long time over an hour to complete all the queries that i have set in the threshold. i have increased the heap space to 5 gigabytes

Bilal Yousaf 2020-12-02 15:50:24

After increasing the heap size to 5gigbytes, i get the following erorr: java.lang.OutOfMemoryError: Java heap space

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