diff options
Diffstat (limited to 'src/table/replication/parameters.rs')
| -rw-r--r-- | src/table/replication/parameters.rs | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/table/replication/parameters.rs b/src/table/replication/parameters.rs index e46bd172..0ab9ee5a 100644 --- a/src/table/replication/parameters.rs +++ b/src/table/replication/parameters.rs @@ -2,20 +2,26 @@ 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 reads from + /// 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 + /// 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; + // this feels like its write_nodes().len() - write_quorum() 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)>; } |