forked from Deuxfleurs/garage
23 lines
748 B
Rust
23 lines
748 B
Rust
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use garage_rpc::membership::System;
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use garage_rpc::ring::Ring;
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use garage_util::data::*;
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pub trait TableReplication: Send + Sync {
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// See examples in table_sharded.rs and table_fullcopy.rs
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// To understand various replication methods
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// Which nodes to send reads from
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fn read_nodes(&self, hash: &Hash, system: &System) -> Vec<UUID>;
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fn read_quorum(&self) -> usize;
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// Which nodes to send writes to
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fn write_nodes(&self, hash: &Hash, system: &System) -> Vec<UUID>;
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fn write_quorum(&self, system: &System) -> usize;
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fn max_write_errors(&self) -> usize;
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// Which are the nodes that do actually replicate the data
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fn replication_nodes(&self, hash: &Hash, ring: &Ring) -> Vec<UUID>;
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fn split_points(&self, ring: &Ring) -> Vec<Hash>;
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}
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