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ESB Performance Testing - Round 7 Published!

We have just published the results for the long awaited Round 7 of ESB performance benchmarking. This round compares 4 of the leading free and open source ESBs, Mule CE 3.4.0, Talend ESB SE 5.3.1, WSO2 ESB 4.7.0 and the UltraESB 2.0.0

Although at first glance the above image may indicate that the WSO2 ESB and the UltraESB have very similar performance characteristics, the Devil is indeed in the detail.

During the testing we discovered several issues with the previously published article Round 6.5 from WSO2, including a severe response corruption for messages over 16,384 bytes when the default pass-through transport is being used. However, what's most surprising is that this issue remains in versions 4.6.0 and 4.7.0 of the WSO2 ESB, as well as the latest Milestone 4 of the soon to be released version 4.8.0.

Sadly, the WSO2 engineers conducting the Round 6.5 also failed to notice a complete failure of all of the XSLT test cases, but nevertheless published numbers obtained for the failed test cases as high performance numbers over the other ESBs.

Read about these and other flaws of the Round 6.5 in the article Why the Round 6.5 results published by WSO2 is flawed

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