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Don't set affinity if XDP is not in use #6618

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Merged
alessandrod merged 1 commit into from
Jun 17, 2025
Merged

Don't set affinity if XDP is not in use #6618

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16 changes: 9 additions & 7 deletions validator/src/commands/run/execute.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -751,11 +751,6 @@ pub fn execute(
..ValidatorConfig::default()
};

let available = core_affinity::get_core_ids()
.unwrap_or_default()
.into_iter()
.map(|core_id| core_id.id)
.collect::<HashSet<_>>();
let reserved = validator_config
.retransmit_xdp
.as_ref()
Expand All @@ -764,8 +759,15 @@ pub fn execute(
.iter()
.cloned()
.collect::<HashSet<_>>();
let available = available.difference(&reserved);
set_cpu_affinity(available.into_iter().copied()).unwrap();
if !reserved.is_empty() {
let available = core_affinity::get_core_ids()
.unwrap_or_default()
.into_iter()
.map(|core_id| core_id.id)
.collect::<HashSet<_>>();
let available = available.difference(&reserved);
set_cpu_affinity(available.into_iter().copied()).unwrap();
}

let vote_account = pubkey_of(matches, "vote_account").unwrap_or_else(|| {
if !validator_config.voting_disabled {
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