Struct CompactionConfig

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pub struct CompactionConfig {
    pub strategy: CompactionStrategy,
    pub retention: RetentionConfig,
    pub l0_compaction_trigger: usize,
    pub l0_stop_writes_trigger: usize,
    pub max_bytes_for_level_base: u64,
    pub max_bytes_for_level_multiplier: f64,
    pub target_file_size_base: u64,
    pub target_file_size_multiplier: f64,
    pub max_concurrent_compactions: usize,
    pub tombstone_sample_rate: f64,
}

Expand description

Compaction policy configuration

Fields§

§strategy: CompactionStrategy

Compaction strategy

§retention: RetentionConfig

Retention configuration

§l0_compaction_trigger: usize

Level 0 file limit before triggering compaction

§l0_stop_writes_trigger: usize

Maximum level 0 files before stopping writes

§max_bytes_for_level_base: u64

Maximum bytes for level 1

§max_bytes_for_level_multiplier: f64

Level multiplier (bytes_for_level[n+1] = multiplier * bytes_for_level[n])

§target_file_size_base: u64

Target file size for base level

§target_file_size_multiplier: f64

File size multiplier per level

§max_concurrent_compactions: usize

Maximum number of concurrent compactions

§tombstone_sample_rate: f64

Percentage of reads to sample for tombstone density

Trait Implementations§

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impl Clone for CompactionConfig

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fn clone(&self) -> CompactionConfig

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 Debug for CompactionConfig

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

Formats the value using the given formatter. Read more

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impl Default for CompactionConfig

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for CompactionConfig

Blanket Implementations§

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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

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where T: ?Sized,

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where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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

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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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impl<T> From<T> for T

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fn from(t: T) -> T

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Calls U::from(self).

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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