gsadmin/garage
1
0
Fork 0
mirror of https://github.com/deuxfleurs-org/garage.git synced 2026-08-31 09:18:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

[next-0.10] layout helper: rename & clarify updates to update trackers

Browse Source
This commit is contained in:
Alex Auvolat
2024-03-27 13:47:06 +01:00
parent 32f1786f9f
commit 4eba32f29f
2 changed files with 34 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/rpc/layout/helper.rs
+30 -41
View File
@@ -238,19 +238,31 @@ impl LayoutHelper {
// ------------------ helpers for update tracking ---------------
pub(crate) fn update_trackers(&mut self, local_node_id: Uuid) {
pub(crate) fn update_update_trackers(&mut self, local_node_id: Uuid) {
// Ensure trackers for this node's values are up-to-date
// 1. Acknowledge the last layout version which is not currently
// locked by an in-progress write operation
self.ack_max_free(local_node_id);
self.update_ack_to_max_free(local_node_id);
// 2. Assume the data on this node is sync'ed up at least to
// the first layout version in the history
self.sync_first(local_node_id);
let first_version = self.inner().min_stored();
self.update(|layout| {
layout
.update_trackers
.sync_map
.set_max(local_node_id, first_version)
});
// 3. Acknowledge everyone has synced up to min(self.sync_map)
self.sync_ack(local_node_id);
let sync_map_min = self.sync_map_min;
self.update(|layout| {
layout
.update_trackers
.sync_ack_map
.set_max(local_node_id, sync_map_min)
});
debug!("ack_map: {:?}", self.inner().update_trackers.ack_map);
debug!("sync_map: {:?}", self.inner().update_trackers.sync_map);
@@ -260,42 +272,9 @@ impl LayoutHelper {
);
}
fn sync_first(&mut self, local_node_id: Uuid) {
let first_version = self.inner().min_stored();
self.update(|layout| {
layout
.update_trackers
.sync_map
.set_max(local_node_id, first_version)
});
}
fn sync_ack(&mut self, local_node_id: Uuid) {
let sync_map_min = self.sync_map_min;
self.update(|layout| {
layout
.update_trackers
.sync_ack_map
.set_max(local_node_id, sync_map_min)
});
}
pub(crate) fn ack_max_free(&mut self, local_node_id: Uuid) -> bool {
let max_ack = self.max_free_ack();
let changed = self.update(|layout| {
layout
.update_trackers
.ack_map
.set_max(local_node_id, max_ack)
});
if changed {
info!("ack_until updated to {}", max_ack);
}
changed
}
pub(crate) fn max_free_ack(&self) -> u64 {
self.versions()
pub(crate) fn update_ack_to_max_free(&mut self, local_node_id: Uuid) -> bool {
let max_free = self
.versions()
.iter()
.map(|x| x.version)
.skip_while(|v| {
@@ -305,6 +284,16 @@ impl LayoutHelper {
.unwrap_or(true)
})
.next()
.unwrap_or(self.current().version)
.unwrap_or(self.current().version);
let changed = self.update(|layout| {
layout
.update_trackers
.ack_map
.set_max(local_node_id, max_free)
});
if changed {
info!("ack_until updated to {}", max_free);
}
changed
}
}