When first released, Mule 4 introduced a brand new reactive execution engine and threading models. Benefits include high scalability, back pressure capabilities, and auto-tuning.
As part of Mule 4.3, we reiterated on these and made further improvements. More specifically, the three thread pools were combined into a single thread pool. Before jumping into the details, let’s quickly summarize how the threading models were set up prior to this release.
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