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Each piece of queued work now has an associated priority value; each priority goes on a separate queue. With probability (N-1)/N, the workers will take work from the highest priority nonempty queue. Otherwise, they'll look for work in a queue of lower priority. This behavior is meant to prevent starvation for lower-priority tasks.
6 lines
264 B
Plaintext
6 lines
264 B
Plaintext
o Minor features (relay, thread pool):
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- Allow background work to be queued with different priorities, so
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that a big pile of slow low-priority jobs will not starve out
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higher priority jobs. This lays the groundwork for a fix for bug
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22883.
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