forked from Deuxfleurs/garage
25 lines
870 B
Rust
25 lines
870 B
Rust
use garage_rpc::ring::*;
|
|
use garage_util::data::*;
|
|
|
|
/// Trait to describe how a table shall be replicated
|
|
pub trait TableReplication: Send + Sync {
|
|
// See examples in table_sharded.rs and table_fullcopy.rs
|
|
// To understand various replication methods
|
|
|
|
/// Which nodes to send read requests to
|
|
fn read_nodes(&self, hash: &Hash) -> Vec<Uuid>;
|
|
/// Responses needed to consider a read succesfull
|
|
fn read_quorum(&self) -> usize;
|
|
|
|
/// Which nodes to send writes to
|
|
fn write_nodes(&self, hash: &Hash) -> Vec<Uuid>;
|
|
/// Responses needed to consider a write succesfull
|
|
fn write_quorum(&self) -> usize;
|
|
fn max_write_errors(&self) -> usize;
|
|
|
|
// Accessing partitions, for Merkle tree & sync
|
|
/// Get partition for data with given hash
|
|
fn partition_of(&self, hash: &Hash) -> Partition;
|
|
/// List of existing partitions
|
|
fn partitions(&self) -> Vec<(Partition, Hash)>;
|
|
}
|