Struct lsm_tree::compaction::SizeTiered

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pub struct SizeTiered { /* private fields */ }
Expand description

Size-tiered compaction strategy (STCS)

If a level reaches a threshold, it is merged into a larger segment to the next level.

STCS suffers from high read and temporary space amplification, but decent write amplification.

More info here: https://opensource.docs.scylladb.com/stable/cql/compaction.html#size-tiered-compaction-strategy-stcs

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impl CompactionStrategy for Strategy

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fn choose(&self, levels: &Levels, config: &PersistedConfig) -> Choice

Decides on what to do based on the current state of the LSM-tree’s levels
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impl Default for Strategy

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fn default() -> Self

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

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