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MoveReason

reddb::cluster

Enum MoveReason 

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pub enum MoveReason {
    CapacityBalance,
    HotspotRelief,
}
Expand description

Why the planner proposed moving a range.

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CapacityBalance

The primary signal: the source member is over its weighted-capacity fair share and the target is under its own. Moving the range relieves a disk-pressure (availability) risk.

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HotspotRelief

The secondary signal: the range is a read/write hotspot on an over-loaded owner, and a target with both load and capacity headroom can absorb it. Taken only when it does not create a capacity problem.

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impl Clone for MoveReason

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fn clone(&self) -> MoveReason

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for MoveReason

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impl Debug for MoveReason

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Eq for MoveReason

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impl PartialEq for MoveReason

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fn eq(&self, other: &MoveReason) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for MoveReason

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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impl<T> Borrow<T> for T
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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const ALIGN: usize

The alignment of pointer.
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