20 lines
676 B
Diff
20 lines
676 B
Diff
# UNDF: UNDF-2026-000000179
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--- a/server/jetstream_cluster.go
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+++ b/server/jetstream_cluster.go
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@@ -8125,9 +8125,13 @@ func (js *jetStream) processStreamUpdateRequest(ci *ClientInfo, acc *Account, su
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// filter peers present in both sets
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- for _, peer := range rg.Peers {
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- if !slices.Contains(nrg.Peers, peer) {
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- peerSet = append(peerSet, peer)
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- }
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- }
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+ nrgPeerSet := make(map[string]struct{}, len(nrg.Peers))
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+ for _, p := range nrg.Peers {
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+ nrgPeerSet[p] = struct{}{}
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+ }
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+ for _, peer := range rg.Peers {
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+ if _, ok := nrgPeerSet[peer]; !ok {
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+ peerSet = append(peerSet, peer)
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+ }
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+ }
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peerSet = append(peerSet, nrg.Peers...)
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