Add small note for handoffs_only acceleration
The related change benefitts us greatly with decreasing hash
calculations for ignored partitions when handoffs_only mode is on
however, at the same time, it has been not able to care misplaced
fragments in the primary partition so that add the notation into the
code to let us know as "this is by design".
Change-Id: I16e3c1170af710e2a6ecc0b7267ab369450095bf
Related-Change: 44c63c6990
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@ -978,6 +978,12 @@ class ObjectReconstructor(Daemon):
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if override_partitions and (partition not in
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override_partitions):
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continue
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# N.B. At a primary node in handoffs_only mode may skip to
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# sync misplaced (handoff) fragments in the primary
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# partition. That may happen while rebalancing several
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# times. (e.g. a node holding handoff fragment being a new
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# primary) Those fragments will be synced (and revert) once
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# handoffs_only mode turned off.
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if self.handoffs_only and any(
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local_dev['id'] == n['id']
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for n in policy.object_ring.get_part_nodes(
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