Hi! PIP 440 proposal changes the behavior of the WaitForExclusive priority queue. Currently, the queue is first-in-first out, which is perfectly fine for leader elections where only one or two exclusive topics are being balanced across nodes. However, in cases where large amounts of topics (with large amounts of associated work required as part of exclusivity), producers may wish to exert more control over their place in line.
The PIP can be read here: https://github.com/apache/pulsar/pull/24711 (Rendered: https://github.com/Mooshua/pulsar/blob/pip-440/pip/pip-440.md) Thanks, Josh Joshua Nabors marionberry.net
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