Struct CompactionState

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pub struct CompactionState {
    pub files_by_level: Vec<Vec<CompactionFile>>,
    pub size_by_level: Vec<u64>,
    pub current_time: Timestamp,
    pub oldest_snapshot: Timestamp,
}

Expand description

State of the LSM tree for compaction decisions

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§files_by_level: Vec<Vec<CompactionFile>>

Files by level

§size_by_level: Vec<u64>

Total size by level

§current_time: Timestamp

Current timestamp for age calculations

§oldest_snapshot: Timestamp

Oldest readable snapshot

Implementations§

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impl CompactionState

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pub fn l0_file_count(&self) -> usize

Get total number of L0 files

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pub fn level_count(&self) -> usize

Get level count

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pub fn find_overlapping( &self, level: usize, smallest: &[u8], largest: &[u8], ) -> Vec<&CompactionFile>

Find overlapping files in a level

Trait Implementations§

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impl Debug for CompactionState

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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 CompactionState

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fn default() -> CompactionState

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

Auto Trait Implementations§

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impl UnwindSafe for CompactionState

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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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