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adds fallback & metric for when epoch staked-nodes are none

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This commit is contained in:
behzad nouri
2021-07-29 17:42:22 -04:00
parent 50d0e830c9
commit fb69f45f14
1 changed files with 12 additions and 3 deletions
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15
core/src/cluster_nodes.rs
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@@ -257,9 +257,18 @@ impl<T: 'static> ClusterNodesCache<T> {
cache.pop(&epoch);
}
}
let epoch_staked_nodes = root_bank.epoch_staked_nodes(epoch).unwrap_or_default();
let nodes = new_cluster_nodes::<T>(cluster_info, &epoch_staked_nodes);
let nodes = Arc::new(nodes);
let epoch_staked_nodes = root_bank.epoch_staked_nodes(epoch);
if epoch_staked_nodes.is_none() {
inc_new_counter_info!("cluster_nodes-unknown_epoch_staked_nodes", 1);
if epoch != root_bank.get_leader_schedule_epoch(root_bank.slot()) {
return self.get(root_bank.slot(), root_bank, cluster_info);
}
inc_new_counter_info!("cluster_nodes-unknown_epoch_staked_nodes_root", 1);
}
let nodes = Arc::new(new_cluster_nodes::<T>(
cluster_info,
&epoch_staked_nodes.unwrap_or_default(),
));
{
let mut cache = self.cache.lock().unwrap();
cache.put(epoch, (Instant::now(), Arc::clone(&nodes)));