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add error case for layout not ready, and fail earlier in many places

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This commit is contained in:
Alex Auvolat
2025-09-13 20:24:19 +02:00
parent 4758d8881f
commit 4c139bcbca
23 changed files with 323 additions and 244 deletions
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src/rpc/layout/version.rs
+8 -9
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@@ -118,15 +118,14 @@ impl LayoutVersion {
pub fn nodes_of(&self, position: &Hash) -> impl Iterator<Item = Uuid> + '_ {
let data = &self.ring_assignment_data;
let partition_nodes = if data.len() == self.replication_factor * (1 << PARTITION_BITS) {
let partition_idx = self.partition_of(position) as usize;
let partition_start = partition_idx * self.replication_factor;
let partition_end = (partition_idx + 1) * self.replication_factor;
&data[partition_start..partition_end]
} else {
warn!("Ring not yet ready, read/writes will be lost!");
&[]
};
if data.len() != self.replication_factor * (1 << PARTITION_BITS) {
panic!(".nodes_of() called on invalid LayoutVersion (this is a bug)");
}
let partition_idx = self.partition_of(position) as usize;
let partition_start = partition_idx * self.replication_factor;
let partition_end = (partition_idx + 1) * self.replication_factor;
let partition_nodes = &data[partition_start..partition_end];
partition_nodes
.iter()