ethbak commented on code in PR #16627:
URL: https://github.com/apache/lucene/pull/16627#discussion_r3971378204
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lucene/core/src/java/org/apache/lucene/util/hnsw/HnswGraphBuilder.java:
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@@ -665,6 +678,94 @@ private void link(int level, int n0, int n1, float score,
FixedBitSet notFullyCo
}
}
+ /**
+ * Fixes disconnected nodes at a specific level by searching from each
node's existing neighbors
+ * to find additional connections. A node with no neighbors is instead
connected from scratch via
+ * {@link #addConnections}.
+ *
+ * <p>When {@link #hnswLock} is set (concurrent repair) each node's existing
neighbors are
Review Comment:
`InitializedHnswGraphBuilder.repairDisconnectedNodes` is also a caller, its
easy to miss because its unqualified and inherited. So I kept the method in
HnswGraphBuilder as it is shared.
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