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authorAlex Auvolat <alex@adnab.me>2021-03-11 16:54:15 +0100
committerAlex Auvolat <alex@adnab.me>2021-03-11 16:54:15 +0100
commit94f3d287742ff90f179f528421c690b00b71a912 (patch)
tree9269d537da06d609cdc42cba8d9ab3c67d0650b9 /src/table/table_sharded.rs
parent8d63738cb062e816fc01c6aa2b32936ad31ff65b (diff)
downloadgarage-94f3d287742ff90f179f528421c690b00b71a912.tar.gz
garage-94f3d287742ff90f179f528421c690b00b71a912.zip
WIP big refactoring
Diffstat (limited to 'src/table/table_sharded.rs')
-rw-r--r--src/table/table_sharded.rs54
1 files changed, 0 insertions, 54 deletions
diff --git a/src/table/table_sharded.rs b/src/table/table_sharded.rs
deleted file mode 100644
index 47bdfeaf..00000000
--- a/src/table/table_sharded.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-use garage_rpc::membership::System;
-use garage_rpc::ring::Ring;
-use garage_util::data::*;
-
-use crate::*;
-
-#[derive(Clone)]
-pub struct TableShardedReplication {
- pub replication_factor: usize,
- pub read_quorum: usize,
- pub write_quorum: usize,
-}
-
-impl TableReplication for TableShardedReplication {
- // Sharded replication schema:
- // - based on the ring of nodes, a certain set of neighbors
- // store entries, given as a function of the position of the
- // entry's hash in the ring
- // - reads are done on all of the nodes that replicate the data
- // - writes as well
-
- fn read_nodes(&self, hash: &Hash, system: &System) -> Vec<UUID> {
- let ring = system.ring.borrow().clone();
- ring.walk_ring(&hash, self.replication_factor)
- }
- fn read_quorum(&self) -> usize {
- self.read_quorum
- }
-
- fn write_nodes(&self, hash: &Hash, system: &System) -> Vec<UUID> {
- let ring = system.ring.borrow().clone();
- ring.walk_ring(&hash, self.replication_factor)
- }
- fn write_quorum(&self, _system: &System) -> usize {
- self.write_quorum
- }
- fn max_write_errors(&self) -> usize {
- self.replication_factor - self.write_quorum
- }
-
- fn replication_nodes(&self, hash: &Hash, ring: &Ring) -> Vec<UUID> {
- ring.walk_ring(&hash, self.replication_factor)
- }
- fn split_points(&self, ring: &Ring) -> Vec<Hash> {
- let mut ret = vec![];
-
- ret.push([0u8; 32].into());
- for entry in ring.ring.iter() {
- ret.push(entry.location);
- }
- ret.push([0xFFu8; 32].into());
- ret
- }
-}