THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Those users can force the old behavior with `IgniteConfiguration.setAsyncContinuationExecutor(Runnable::run)`.
httpIEP thread: http://apache-ignite-developers.2346864.n4.nabble.com/IEP-70-Async-Continuation-Executor-td51775.html
Original discussions:
PoC: https://github.com/apache/ignite/pull/8870
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