layout: add helper for cached/external values to centralize recomputation
This commit is contained in:
Alex Auvolat
parent
65066c7064
commit
393c4d4515
@ -240,7 +240,6 @@ pub async fn handle_update_cluster_layout(
|
||||
.merge(&roles.update_mutator(node, layout::NodeRoleV(new_role)));
|
||||
}
|
||||
|
||||
layout.update_hashes();
|
||||
garage
|
||||
.system
|
||||
.layout_manager
|
||||
|
||||
@ -29,7 +29,7 @@ pub async fn handle_read_index(
|
||||
.system
|
||||
.cluster_layout()
|
||||
.all_nongateway_nodes()
|
||||
.into_owned();
|
||||
.to_vec();
|
||||
|
||||
let (partition_keys, more, next_start) = read_range(
|
||||
&garage.k2v.counter_table.table,
|
||||
|
||||
@ -49,7 +49,7 @@ pub async fn cmd_assign_role(
|
||||
};
|
||||
|
||||
let mut layout = fetch_layout(rpc_cli, rpc_host).await?;
|
||||
let all_nodes = layout.all_nodes().into_owned();
|
||||
let all_nodes = layout.get_all_nodes();
|
||||
|
||||
let added_nodes = args
|
||||
.node_ids
|
||||
@ -331,7 +331,6 @@ pub async fn send_layout(
|
||||
rpc_host: NodeID,
|
||||
mut layout: LayoutHistory,
|
||||
) -> Result<(), Error> {
|
||||
layout.update_hashes();
|
||||
rpc_cli
|
||||
.call(
|
||||
&rpc_host,
|
||||
|
||||
@ -455,7 +455,7 @@ impl<'a> BucketHelper<'a> {
|
||||
.system
|
||||
.cluster_layout()
|
||||
.all_nongateway_nodes()
|
||||
.into_owned();
|
||||
.to_vec();
|
||||
let k2vindexes = self
|
||||
.0
|
||||
.k2v
|
||||
|
||||
@ -7,7 +7,7 @@ use serde::{Deserialize, Serialize};
|
||||
|
||||
use garage_db as db;
|
||||
|
||||
use garage_rpc::layout::LayoutHistory;
|
||||
use garage_rpc::layout::LayoutHelper;
|
||||
use garage_rpc::system::System;
|
||||
use garage_util::background::BackgroundRunner;
|
||||
use garage_util::data::*;
|
||||
@ -83,7 +83,7 @@ impl<T: CountedItem> Entry<T::CP, T::CS> for CounterEntry<T> {
|
||||
}
|
||||
|
||||
impl<T: CountedItem> CounterEntry<T> {
|
||||
pub fn filtered_values(&self, layout: &LayoutHistory) -> HashMap<String, i64> {
|
||||
pub fn filtered_values(&self, layout: &LayoutHelper) -> HashMap<String, i64> {
|
||||
let nodes = layout.all_nongateway_nodes();
|
||||
self.filtered_values_with_nodes(&nodes)
|
||||
}
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
use std::borrow::Cow;
|
||||
use std::collections::HashSet;
|
||||
use std::ops::Deref;
|
||||
|
||||
use garage_util::crdt::{Crdt, Lww, LwwMap};
|
||||
use garage_util::data::*;
|
||||
@ -9,95 +9,106 @@ use garage_util::error::*;
|
||||
use super::schema::*;
|
||||
use super::*;
|
||||
|
||||
pub struct LayoutHelper {
|
||||
layout: Option<LayoutHistory>,
|
||||
|
||||
impl LayoutHistory {
|
||||
pub fn new(replication_factor: usize) -> Self {
|
||||
let version = LayoutVersion::new(replication_factor);
|
||||
// cached values
|
||||
ack_map_min: u64,
|
||||
sync_map_min: u64,
|
||||
|
||||
let staging = LayoutStaging {
|
||||
parameters: Lww::<LayoutParameters>::new(version.parameters),
|
||||
roles: LwwMap::new(),
|
||||
};
|
||||
all_nodes: Vec<Uuid>,
|
||||
all_nongateway_nodes: Vec<Uuid>,
|
||||
|
||||
let mut ret = LayoutHistory {
|
||||
versions: vec![version],
|
||||
update_trackers: Default::default(),
|
||||
trackers_hash: [0u8; 32].into(),
|
||||
staging: Lww::raw(0, staging),
|
||||
staging_hash: [0u8; 32].into(),
|
||||
};
|
||||
ret.update_hashes();
|
||||
ret
|
||||
trackers_hash: Hash,
|
||||
staging_hash: Hash,
|
||||
}
|
||||
|
||||
impl Deref for LayoutHelper {
|
||||
type Target = LayoutHistory;
|
||||
fn deref(&self) -> &LayoutHistory {
|
||||
self.layout()
|
||||
}
|
||||
}
|
||||
|
||||
impl LayoutHelper {
|
||||
pub fn new(mut layout: LayoutHistory) -> Self {
|
||||
layout.cleanup_old_versions();
|
||||
|
||||
let all_nongateway_nodes = layout.get_all_nongateway_nodes();
|
||||
layout.clamp_update_trackers(&all_nongateway_nodes);
|
||||
|
||||
let min_version = layout.min_stored();
|
||||
let ack_map_min = layout
|
||||
.update_trackers
|
||||
.ack_map
|
||||
.min(&all_nongateway_nodes, min_version);
|
||||
let sync_map_min = layout
|
||||
.update_trackers
|
||||
.sync_map
|
||||
.min(&all_nongateway_nodes, min_version);
|
||||
|
||||
let all_nodes = layout.get_all_nodes();
|
||||
let trackers_hash = layout.calculate_trackers_hash();
|
||||
let staging_hash = layout.calculate_staging_hash();
|
||||
|
||||
LayoutHelper {
|
||||
layout: Some(layout),
|
||||
ack_map_min,
|
||||
sync_map_min,
|
||||
all_nodes,
|
||||
all_nongateway_nodes,
|
||||
trackers_hash,
|
||||
staging_hash,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn current(&self) -> &LayoutVersion {
|
||||
self.versions.last().as_ref().unwrap()
|
||||
// ------------------ single updating function --------------
|
||||
|
||||
fn layout(&self) -> &LayoutHistory {
|
||||
self.layout.as_ref().unwrap()
|
||||
}
|
||||
|
||||
pub fn update_hashes(&mut self) {
|
||||
self.trackers_hash = self.calculate_trackers_hash();
|
||||
self.staging_hash = self.calculate_staging_hash();
|
||||
pub(crate) fn update<F>(&mut self, f: F) -> bool
|
||||
where
|
||||
F: FnOnce(&mut LayoutHistory) -> bool,
|
||||
{
|
||||
let changed = f(&mut self.layout.as_mut().unwrap());
|
||||
if changed {
|
||||
*self = Self::new(self.layout.take().unwrap());
|
||||
}
|
||||
changed
|
||||
}
|
||||
|
||||
pub(crate) fn calculate_trackers_hash(&self) -> Hash {
|
||||
blake2sum(&nonversioned_encode(&self.update_trackers).unwrap()[..])
|
||||
// ------------------ read helpers ---------------
|
||||
|
||||
pub fn all_nodes(&self) -> &[Uuid] {
|
||||
&self.all_nodes
|
||||
}
|
||||
|
||||
pub(crate) fn calculate_staging_hash(&self) -> Hash {
|
||||
blake2sum(&nonversioned_encode(&self.staging).unwrap()[..])
|
||||
pub fn all_nongateway_nodes(&self) -> &[Uuid] {
|
||||
&self.all_nongateway_nodes
|
||||
}
|
||||
|
||||
// ------------------ who stores what now? ---------------
|
||||
|
||||
pub fn all_ack(&self) -> u64 {
|
||||
self.update_trackers.ack_map.current_min
|
||||
}
|
||||
|
||||
pub fn min_stored(&self) -> u64 {
|
||||
self.versions.first().as_ref().unwrap().version
|
||||
self.ack_map_min
|
||||
}
|
||||
|
||||
pub fn sync_versions(&self) -> (u64, u64, u64) {
|
||||
(self.current().version, self.all_ack(), self.min_stored())
|
||||
}
|
||||
|
||||
pub fn all_nodes(&self) -> Cow<'_, [Uuid]> {
|
||||
// TODO: cache this
|
||||
if self.versions.len() == 1 {
|
||||
self.versions[0].all_nodes().into()
|
||||
} else {
|
||||
let set = self
|
||||
.versions
|
||||
.iter()
|
||||
.map(|x| x.all_nodes())
|
||||
.flatten()
|
||||
.collect::<HashSet<_>>();
|
||||
set.into_iter().copied().collect::<Vec<_>>().into()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn all_nongateway_nodes(&self) -> Cow<'_, [Uuid]> {
|
||||
// TODO: cache this
|
||||
if self.versions.len() == 1 {
|
||||
self.versions[0].nongateway_nodes().into()
|
||||
} else {
|
||||
let set = self
|
||||
.versions
|
||||
.iter()
|
||||
.map(|x| x.nongateway_nodes())
|
||||
.flatten()
|
||||
.collect::<HashSet<_>>();
|
||||
set.into_iter().copied().collect::<Vec<_>>().into()
|
||||
}
|
||||
(
|
||||
self.layout().current().version,
|
||||
self.all_ack(),
|
||||
self.layout().min_stored(),
|
||||
)
|
||||
}
|
||||
|
||||
pub fn read_nodes_of(&self, position: &Hash) -> Vec<Uuid> {
|
||||
let sync_min = self.update_trackers.sync_map.current_min;
|
||||
let sync_min = self.sync_map_min;
|
||||
let version = self
|
||||
.layout()
|
||||
.versions
|
||||
.iter()
|
||||
.find(|x| x.version == sync_min)
|
||||
.or(self.versions.last())
|
||||
.or(self.layout().versions.last())
|
||||
.unwrap();
|
||||
version
|
||||
.nodes_of(position, version.replication_factor)
|
||||
@ -105,7 +116,8 @@ impl LayoutHistory {
|
||||
}
|
||||
|
||||
pub fn write_sets_of(&self, position: &Hash) -> Vec<Vec<Uuid>> {
|
||||
self.versions
|
||||
self.layout()
|
||||
.versions
|
||||
.iter()
|
||||
.map(|x| x.nodes_of(position, x.replication_factor).collect())
|
||||
.collect()
|
||||
@ -113,7 +125,7 @@ impl LayoutHistory {
|
||||
|
||||
pub fn storage_nodes_of(&self, position: &Hash) -> Vec<Uuid> {
|
||||
let mut ret = vec![];
|
||||
for version in self.versions.iter() {
|
||||
for version in self.layout().versions.iter() {
|
||||
ret.extend(version.nodes_of(position, version.replication_factor));
|
||||
}
|
||||
ret.sort();
|
||||
@ -121,7 +133,35 @@ impl LayoutHistory {
|
||||
ret
|
||||
}
|
||||
|
||||
// ------------------ update tracking ---------------
|
||||
pub fn trackers_hash(&self) -> Hash {
|
||||
self.trackers_hash
|
||||
}
|
||||
|
||||
pub fn staging_hash(&self) -> Hash {
|
||||
self.staging_hash
|
||||
}
|
||||
|
||||
// ------------------ helpers for update tracking ---------------
|
||||
|
||||
pub(crate) fn sync_first(&mut self, node: Uuid) {
|
||||
let first_version = self.versions.first().as_ref().unwrap().version;
|
||||
self.update(|layout| layout.update_trackers.sync_map.set_max(node, first_version));
|
||||
}
|
||||
|
||||
pub(crate) fn sync_ack(&mut self, node: Uuid) {
|
||||
let sync_map_min = self.sync_map_min;
|
||||
self.update(|layout| {
|
||||
layout
|
||||
.update_trackers
|
||||
.sync_ack_map
|
||||
.set_max(node, sync_map_min)
|
||||
});
|
||||
}
|
||||
|
||||
pub(crate) fn ack_last(&mut self, node: Uuid) {
|
||||
let last_version = self.current().version;
|
||||
self.update(|layout| layout.update_trackers.ack_map.set_max(node, last_version));
|
||||
}
|
||||
|
||||
pub(crate) fn update_trackers_of(&mut self, node_id: Uuid) {
|
||||
// Ensure trackers for this node's values are up-to-date
|
||||
@ -136,55 +176,104 @@ impl LayoutHistory {
|
||||
// 3. Acknowledge everyone has synced up to min(self.sync_map)
|
||||
self.sync_ack(node_id);
|
||||
|
||||
// 4. Cleanup layout versions that are not needed anymore
|
||||
self.cleanup_old_versions();
|
||||
|
||||
// 5. Recalculate global minima
|
||||
self.update_trackers_min();
|
||||
|
||||
info!("ack_map: {:?}", self.update_trackers.ack_map);
|
||||
info!("sync_map: {:?}", self.update_trackers.sync_map);
|
||||
info!("sync_ack_map: {:?}", self.update_trackers.sync_ack_map);
|
||||
|
||||
// Finally, update hashes
|
||||
self.update_hashes();
|
||||
}
|
||||
}
|
||||
|
||||
fn update_trackers_min(&mut self) {
|
||||
// TODO: for TableFullReplication, counting gateway nodes might be
|
||||
// necessary? Think about this more.
|
||||
let storage_nodes = self.all_nongateway_nodes().into_owned();
|
||||
let min_version = self.versions.first().unwrap().version;
|
||||
self.update_trackers.update_min(&storage_nodes, min_version);
|
||||
}
|
||||
// ----
|
||||
|
||||
pub(crate) fn ack_last(&mut self, node: Uuid) {
|
||||
let last_version = self.current().version;
|
||||
self.update_trackers.ack_map.set_max(node, last_version);
|
||||
self.update_trackers_min();
|
||||
}
|
||||
impl LayoutHistory {
|
||||
pub fn new(replication_factor: usize) -> Self {
|
||||
let version = LayoutVersion::new(replication_factor);
|
||||
|
||||
pub(crate) fn sync_first(&mut self, node: Uuid) {
|
||||
let first_version = self.versions.first().as_ref().unwrap().version;
|
||||
self.update_trackers.sync_map.set_max(node, first_version);
|
||||
self.update_trackers_min();
|
||||
}
|
||||
let staging = LayoutStaging {
|
||||
parameters: Lww::<LayoutParameters>::new(version.parameters),
|
||||
roles: LwwMap::new(),
|
||||
};
|
||||
|
||||
pub(crate) fn sync_ack(&mut self, node: Uuid) {
|
||||
self.update_trackers
|
||||
.sync_ack_map
|
||||
.set_max(node, self.update_trackers.sync_map.current_min);
|
||||
self.update_trackers_min();
|
||||
}
|
||||
|
||||
pub(crate) fn cleanup_old_versions(&mut self) {
|
||||
let min_sync_ack = self.update_trackers.sync_ack_map.current_min;
|
||||
while self.versions.first().as_ref().unwrap().version < min_sync_ack {
|
||||
let removed = self.versions.remove(0);
|
||||
info!("Layout history: pruning old version {}", removed.version);
|
||||
LayoutHistory {
|
||||
versions: vec![version],
|
||||
update_trackers: Default::default(),
|
||||
staging: Lww::raw(0, staging),
|
||||
}
|
||||
}
|
||||
|
||||
// ------------------ who stores what now? ---------------
|
||||
|
||||
pub fn current(&self) -> &LayoutVersion {
|
||||
self.versions.last().as_ref().unwrap()
|
||||
}
|
||||
|
||||
pub fn min_stored(&self) -> u64 {
|
||||
self.versions.first().as_ref().unwrap().version
|
||||
}
|
||||
|
||||
pub fn get_all_nodes(&self) -> Vec<Uuid> {
|
||||
if self.versions.len() == 1 {
|
||||
self.versions[0].all_nodes().to_vec()
|
||||
} else {
|
||||
let set = self
|
||||
.versions
|
||||
.iter()
|
||||
.map(|x| x.all_nodes())
|
||||
.flatten()
|
||||
.collect::<HashSet<_>>();
|
||||
set.into_iter().copied().collect::<Vec<_>>()
|
||||
}
|
||||
}
|
||||
|
||||
fn get_all_nongateway_nodes(&self) -> Vec<Uuid> {
|
||||
if self.versions.len() == 1 {
|
||||
self.versions[0].nongateway_nodes().to_vec()
|
||||
} else {
|
||||
let set = self
|
||||
.versions
|
||||
.iter()
|
||||
.map(|x| x.nongateway_nodes())
|
||||
.flatten()
|
||||
.collect::<HashSet<_>>();
|
||||
set.into_iter().copied().collect::<Vec<_>>()
|
||||
}
|
||||
}
|
||||
|
||||
// ---- housekeeping (all invoked by LayoutHelper) ----
|
||||
|
||||
fn cleanup_old_versions(&mut self) {
|
||||
loop {
|
||||
let all_nongateway_nodes = self.get_all_nongateway_nodes();
|
||||
let min_version = self.min_stored();
|
||||
let sync_ack_map_min = self
|
||||
.update_trackers
|
||||
.sync_ack_map
|
||||
.min(&all_nongateway_nodes, min_version);
|
||||
if self.min_stored() < sync_ack_map_min {
|
||||
let removed = self.versions.remove(0);
|
||||
info!("Layout history: pruning old version {}", removed.version);
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn clamp_update_trackers(&mut self, nodes: &[Uuid]) {
|
||||
let min_v = self.min_stored();
|
||||
for node in nodes {
|
||||
self.update_trackers.ack_map.set_max(*node, min_v);
|
||||
self.update_trackers.sync_map.set_max(*node, min_v);
|
||||
self.update_trackers.sync_ack_map.set_max(*node, min_v);
|
||||
}
|
||||
}
|
||||
|
||||
fn calculate_trackers_hash(&self) -> Hash {
|
||||
blake2sum(&nonversioned_encode(&self.update_trackers).unwrap()[..])
|
||||
}
|
||||
|
||||
fn calculate_staging_hash(&self) -> Hash {
|
||||
blake2sum(&nonversioned_encode(&self.staging).unwrap()[..])
|
||||
}
|
||||
|
||||
// ================== updates to layout, public interface ===================
|
||||
|
||||
pub fn merge(&mut self, other: &LayoutHistory) -> bool {
|
||||
@ -221,20 +310,6 @@ impl LayoutHistory {
|
||||
self.versions.remove(0);
|
||||
changed = true;
|
||||
}
|
||||
if changed {
|
||||
let min_v = self.versions.first().unwrap().version;
|
||||
let nodes = self.all_nongateway_nodes().into_owned();
|
||||
for node in nodes {
|
||||
self.update_trackers.ack_map.set_max(node, min_v);
|
||||
self.update_trackers.sync_map.set_max(node, min_v);
|
||||
self.update_trackers.sync_ack_map.set_max(node, min_v);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Update the current_min value in trackers if anything changed
|
||||
if changed {
|
||||
self.update_trackers_min();
|
||||
}
|
||||
|
||||
// Merge staged layout changes
|
||||
@ -280,7 +355,6 @@ To know the correct value of the new layout version, invoke `garage layout show`
|
||||
parameters: self.staging.get().parameters.clone(),
|
||||
roles: LwwMap::new(),
|
||||
});
|
||||
self.update_hashes();
|
||||
|
||||
Ok((self, msg))
|
||||
}
|
||||
@ -290,20 +364,11 @@ To know the correct value of the new layout version, invoke `garage layout show`
|
||||
parameters: Lww::new(self.current().parameters.clone()),
|
||||
roles: LwwMap::new(),
|
||||
});
|
||||
self.update_hashes();
|
||||
|
||||
Ok(self)
|
||||
}
|
||||
|
||||
pub fn check(&self) -> Result<(), String> {
|
||||
// Check that the hash of the staging data is correct
|
||||
if self.trackers_hash != self.calculate_trackers_hash() {
|
||||
return Err("trackers_hash is incorrect".into());
|
||||
}
|
||||
if self.staging_hash != self.calculate_staging_hash() {
|
||||
return Err("staging_hash is incorrect".into());
|
||||
}
|
||||
|
||||
for version in self.versions.iter() {
|
||||
version.check()?;
|
||||
}
|
||||
|
||||
@ -24,7 +24,7 @@ pub struct LayoutManager {
|
||||
replication_factor: usize,
|
||||
persist_cluster_layout: Persister<LayoutHistory>,
|
||||
|
||||
layout: Arc<RwLock<LayoutHistory>>,
|
||||
layout: Arc<RwLock<LayoutHelper>>,
|
||||
pub(crate) change_notify: Arc<Notify>,
|
||||
|
||||
table_sync_version: Mutex<HashMap<String, u64>>,
|
||||
@ -54,7 +54,7 @@ impl LayoutManager {
|
||||
let persist_cluster_layout: Persister<LayoutHistory> =
|
||||
Persister::new(&config.metadata_dir, "cluster_layout");
|
||||
|
||||
let mut cluster_layout = match persist_cluster_layout.load() {
|
||||
let cluster_layout = match persist_cluster_layout.load() {
|
||||
Ok(x) => {
|
||||
if x.current().replication_factor != replication_factor {
|
||||
return Err(Error::Message(format!(
|
||||
@ -74,6 +74,7 @@ impl LayoutManager {
|
||||
}
|
||||
};
|
||||
|
||||
let mut cluster_layout = LayoutHelper::new(cluster_layout);
|
||||
cluster_layout.update_trackers_of(node_id.into());
|
||||
|
||||
let layout = Arc::new(RwLock::new(cluster_layout));
|
||||
@ -100,7 +101,7 @@ impl LayoutManager {
|
||||
|
||||
// ---- PUBLIC INTERFACE ----
|
||||
|
||||
pub fn layout(&self) -> RwLockReadGuard<'_, LayoutHistory> {
|
||||
pub fn layout(&self) -> RwLockReadGuard<'_, LayoutHelper> {
|
||||
self.layout.read().unwrap()
|
||||
}
|
||||
|
||||
@ -108,8 +109,8 @@ impl LayoutManager {
|
||||
let layout = self.layout();
|
||||
LayoutStatus {
|
||||
cluster_layout_version: layout.current().version,
|
||||
cluster_layout_trackers_hash: layout.trackers_hash,
|
||||
cluster_layout_staging_hash: layout.staging_hash,
|
||||
cluster_layout_trackers_hash: layout.trackers_hash(),
|
||||
cluster_layout_staging_hash: layout.staging_hash(),
|
||||
}
|
||||
}
|
||||
|
||||
@ -137,13 +138,8 @@ impl LayoutManager {
|
||||
drop(table_sync_version);
|
||||
|
||||
let mut layout = self.layout.write().unwrap();
|
||||
if layout
|
||||
.update_trackers
|
||||
.sync_map
|
||||
.set_max(self.node_id, sync_until)
|
||||
{
|
||||
if layout.update(|l| l.update_trackers.sync_map.set_max(self.node_id, sync_until)) {
|
||||
debug!("sync_until updated to {}", sync_until);
|
||||
layout.update_hashes();
|
||||
self.broadcast_update(SystemRpc::AdvertiseClusterLayoutTrackers(
|
||||
layout.update_trackers.clone(),
|
||||
));
|
||||
@ -157,7 +153,7 @@ impl LayoutManager {
|
||||
let prev_layout_check = layout.check().is_ok();
|
||||
|
||||
if !prev_layout_check || adv.check().is_ok() {
|
||||
if layout.merge(adv) {
|
||||
if layout.update(|l| l.merge(adv)) {
|
||||
layout.update_trackers_of(self.node_id);
|
||||
if prev_layout_check && layout.check().is_err() {
|
||||
panic!("Merged two correct layouts and got an incorrect layout.");
|
||||
@ -171,7 +167,7 @@ impl LayoutManager {
|
||||
fn merge_layout_trackers(&self, adv: &UpdateTrackers) -> Option<UpdateTrackers> {
|
||||
let mut layout = self.layout.write().unwrap();
|
||||
if layout.update_trackers != *adv {
|
||||
if layout.update_trackers.merge(adv) {
|
||||
if layout.update(|l| l.update_trackers.merge(adv)) {
|
||||
layout.update_trackers_of(self.node_id);
|
||||
return Some(layout.update_trackers.clone());
|
||||
}
|
||||
|
||||
@ -188,7 +188,7 @@ mod v010 {
|
||||
use super::v09;
|
||||
use crate::layout::CompactNodeType;
|
||||
use garage_util::crdt::{Lww, LwwMap};
|
||||
use garage_util::data::{Hash, Uuid};
|
||||
use garage_util::data::Uuid;
|
||||
use serde::{Deserialize, Serialize};
|
||||
use std::collections::BTreeMap;
|
||||
pub use v09::{LayoutParameters, NodeRole, NodeRoleV, ZoneRedundancy};
|
||||
@ -202,13 +202,9 @@ mod v010 {
|
||||
|
||||
/// Update trackers
|
||||
pub update_trackers: UpdateTrackers,
|
||||
/// Hash of the update trackers
|
||||
pub trackers_hash: Hash,
|
||||
|
||||
/// Staged changes for the next version
|
||||
pub staging: Lww<LayoutStaging>,
|
||||
/// Hash of the serialized staging_parameters + staging_roles
|
||||
pub staging_hash: Hash,
|
||||
}
|
||||
|
||||
/// A version of the layout of the cluster, i.e. the list of roles
|
||||
@ -260,10 +256,7 @@ mod v010 {
|
||||
|
||||
/// The history of cluster layouts
|
||||
#[derive(Clone, Debug, Serialize, Deserialize, Default, PartialEq)]
|
||||
pub struct UpdateTracker {
|
||||
pub values: BTreeMap<Uuid, u64>,
|
||||
pub current_min: u64,
|
||||
}
|
||||
pub struct UpdateTracker(pub BTreeMap<Uuid, u64>);
|
||||
|
||||
impl garage_util::migrate::Migrate for LayoutHistory {
|
||||
const VERSION_MARKER: &'static [u8] = b"G010lh";
|
||||
@ -293,32 +286,27 @@ mod v010 {
|
||||
nongateway_node_count,
|
||||
ring_assignment_data: previous.ring_assignment_data,
|
||||
};
|
||||
let update_tracker = UpdateTracker {
|
||||
values: version
|
||||
let update_tracker = UpdateTracker(
|
||||
version
|
||||
.nongateway_nodes()
|
||||
.iter()
|
||||
.copied()
|
||||
.map(|x| (x, version.version))
|
||||
.collect::<BTreeMap<Uuid, u64>>(),
|
||||
current_min: 0,
|
||||
};
|
||||
);
|
||||
let staging = LayoutStaging {
|
||||
parameters: previous.staging_parameters,
|
||||
roles: previous.staging_roles,
|
||||
};
|
||||
let mut ret = Self {
|
||||
Self {
|
||||
versions: vec![version],
|
||||
update_trackers: UpdateTrackers {
|
||||
ack_map: update_tracker.clone(),
|
||||
sync_map: update_tracker.clone(),
|
||||
sync_ack_map: update_tracker.clone(),
|
||||
},
|
||||
trackers_hash: [0u8; 32].into(),
|
||||
staging: Lww::raw(previous.version, staging),
|
||||
staging_hash: [0u8; 32].into(),
|
||||
};
|
||||
ret.update_hashes();
|
||||
ret
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -382,14 +370,14 @@ impl core::str::FromStr for ZoneRedundancy {
|
||||
impl UpdateTracker {
|
||||
fn merge(&mut self, other: &UpdateTracker) -> bool {
|
||||
let mut changed = false;
|
||||
for (k, v) in other.values.iter() {
|
||||
if let Some(v_mut) = self.values.get_mut(k) {
|
||||
for (k, v) in other.0.iter() {
|
||||
if let Some(v_mut) = self.0.get_mut(k) {
|
||||
if *v > *v_mut {
|
||||
*v_mut = *v;
|
||||
changed = true;
|
||||
}
|
||||
} else {
|
||||
self.values.insert(*k, *v);
|
||||
self.0.insert(*k, *v);
|
||||
changed = true;
|
||||
}
|
||||
}
|
||||
@ -397,23 +385,23 @@ impl UpdateTracker {
|
||||
}
|
||||
|
||||
pub(crate) fn set_max(&mut self, peer: Uuid, value: u64) -> bool {
|
||||
match self.values.get_mut(&peer) {
|
||||
match self.0.get_mut(&peer) {
|
||||
Some(e) if *e < value => {
|
||||
*e = value;
|
||||
true
|
||||
}
|
||||
None => {
|
||||
self.values.insert(peer, value);
|
||||
self.0.insert(peer, value);
|
||||
true
|
||||
}
|
||||
_ => false,
|
||||
}
|
||||
}
|
||||
|
||||
fn update_min(&mut self, storage_nodes: &[Uuid], min_version: u64) {
|
||||
self.current_min = storage_nodes
|
||||
pub(crate) fn min(&self, storage_nodes: &[Uuid], min_version: u64) -> u64 {
|
||||
storage_nodes
|
||||
.iter()
|
||||
.map(|x| self.values.get(x).copied().unwrap_or(min_version))
|
||||
.map(|x| self.0.get(x).copied().unwrap_or(min_version))
|
||||
.min()
|
||||
.unwrap_or(min_version)
|
||||
}
|
||||
@ -426,10 +414,4 @@ impl UpdateTrackers {
|
||||
let c3 = self.sync_ack_map.merge(&other.sync_ack_map);
|
||||
c1 || c2 || c3
|
||||
}
|
||||
|
||||
pub(crate) fn update_min(&mut self, storage_nodes: &[Uuid], min_version: u64) {
|
||||
self.ack_map.update_min(&storage_nodes, min_version);
|
||||
self.sync_map.update_min(&storage_nodes, min_version);
|
||||
self.sync_ack_map.update_min(&storage_nodes, min_version);
|
||||
}
|
||||
}
|
||||
|
||||
@ -26,7 +26,7 @@ use garage_util::data::*;
|
||||
use garage_util::error::Error;
|
||||
use garage_util::metrics::RecordDuration;
|
||||
|
||||
use crate::layout::LayoutHistory;
|
||||
use crate::layout::LayoutHelper;
|
||||
use crate::metrics::RpcMetrics;
|
||||
|
||||
// Default RPC timeout = 5 minutes
|
||||
@ -90,7 +90,7 @@ pub struct RpcHelper(Arc<RpcHelperInner>);
|
||||
struct RpcHelperInner {
|
||||
our_node_id: Uuid,
|
||||
fullmesh: Arc<FullMeshPeeringStrategy>,
|
||||
layout: Arc<RwLock<LayoutHistory>>,
|
||||
layout: Arc<RwLock<LayoutHelper>>,
|
||||
metrics: RpcMetrics,
|
||||
rpc_timeout: Duration,
|
||||
}
|
||||
@ -99,7 +99,7 @@ impl RpcHelper {
|
||||
pub(crate) fn new(
|
||||
our_node_id: Uuid,
|
||||
fullmesh: Arc<FullMeshPeeringStrategy>,
|
||||
layout: Arc<RwLock<LayoutHistory>>,
|
||||
layout: Arc<RwLock<LayoutHelper>>,
|
||||
rpc_timeout: Option<Duration>,
|
||||
) -> Self {
|
||||
let metrics = RpcMetrics::new();
|
||||
|
||||
@ -34,7 +34,7 @@ use crate::consul::ConsulDiscovery;
|
||||
#[cfg(feature = "kubernetes-discovery")]
|
||||
use crate::kubernetes::*;
|
||||
use crate::layout::manager::{LayoutManager, LayoutStatus};
|
||||
use crate::layout::{self, LayoutHistory, NodeRoleV};
|
||||
use crate::layout::{self, LayoutHelper, LayoutHistory, NodeRoleV};
|
||||
use crate::replication_mode::*;
|
||||
use crate::rpc_helper::*;
|
||||
|
||||
@ -350,7 +350,7 @@ impl System {
|
||||
|
||||
// ---- Public utilities / accessors ----
|
||||
|
||||
pub fn cluster_layout(&self) -> RwLockReadGuard<'_, LayoutHistory> {
|
||||
pub fn cluster_layout(&self) -> RwLockReadGuard<'_, LayoutHelper> {
|
||||
self.layout_manager.layout()
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user