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feat: cluster server integration foundation #72

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Merged
kacy merged 4 commits into from
Feb 10, 2026
Merged

feat: cluster server integration foundation #72

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476b2ef
fix(cluster): derive slot counts from slot_map in cluster_info
kacy Feb 10, 2026
0f94c06
feat(server): add cluster coordinator module
kacy Feb 10, 2026
2f4d02f
feat(server): add cluster CLI flags and server context integration
kacy Feb 10, 2026
cf500fc
feat(server): wire cluster commands and add slot ownership checks
kacy Feb 10, 2026
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10 changes: 5 additions & 5 deletions crates/ember-cluster/src/topology.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ use std::time::Instant;
use serde::{Deserialize, Serialize};
use uuid::Uuid;

use crate::slots::{SlotMap, SlotRange};
use crate::slots::{SlotMap, SlotRange, SLOT_COUNT};
use crate::ClusterError;

/// Unique identifier for a cluster node.
Expand Down Expand Up @@ -408,8 +408,8 @@ impl ClusterState {

/// Generates the response for CLUSTER INFO command.
pub fn cluster_info(&self) -> String {
let primaries: Vec<_> = self.primaries().collect();
let assigned_slots: u16 = primaries.iter().map(|n| n.slot_count()).sum();
let assigned_slots = (SLOT_COUNT as usize - self.slot_map.unassigned_count()) as u16;
let primaries_count = self.primaries().count();

format!(
"cluster_state:{}\r\n\
Expand All @@ -429,7 +429,7 @@ impl ClusterState {
0
},
self.nodes.len(),
primaries.len(),
primaries_count,
self.config_epoch,
self.local_node().map(|n| n.config_epoch).unwrap_or(0),
)
Expand Down Expand Up @@ -566,7 +566,7 @@ mod tests {
let info = state.cluster_info();

assert!(info.contains("cluster_state:ok"));
assert!(info.contains("cluster_slots_assigned:0")); // slots in node.slots, not slot_map
assert!(info.contains("cluster_slots_assigned:16384"));
assert!(info.contains("cluster_known_nodes:1"));
}

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