Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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2.8.2
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None
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None
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None
Description
When trying to make use of FairCallQueue for a large cluster, it is not easy to set the properties appropriately at the first time. User may adjust those properties frequently and restarting the namenode costs a lot for a large multi-user hadoop clluster. We should support to reload some of those properties in configuration without restarting.
Related properties:
ipc.8020.faircallqueue.multiplexer.weights
ipc.8020.faircallqueue.decay-scheduler.thresholds
ipc.8020.decay-scheduler.backoff.responsetime.thresholds