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Throughput vs Load

Throughput vs Load

What are possible causes for sudden decrease in throughput when load test enters a steady state ?

I am running a test with a load of 250 users and I can see sudden decrease in throughput once all users are ramped up.

Acclaimed Contributor.

Re: Throughput vs Load


What do the graphs say? have you merged the throughput graph with CPU / Mem usage graphs?

usually a sudden drop in a KPI means a bottle neck somewhere else.

review the AUT log files, look at server monitoring graphs, try with a lower number of Vusers and find the bottle neck.

This is the fun part of performance engineering :-)

Good Luck,