mayya-sharipova commented on a change in pull request #416:
URL: https://github.com/apache/lucene/pull/416#discussion_r783193397
##########
File path:
lucene/core/src/java/org/apache/lucene/codecs/lucene90/Lucene90HnswVectorsFormat.java
##########
@@ -35,14 +35,23 @@
* <p>This file stores all the floating-point vector data ordered by field,
document ordinal, and
* vector dimension. The floats are stored in little-endian byte order.
*
- * <h2>.vex (vector index) file</h2>
+ * <h2>.vex (vector index)</h2>
*
- * <p>Stores graphs connecting the documents for each field. For each document
having a vector for a
- * given field, this is stored as:
+ * <p>Stores graphs connecting the documents for each field organized as a
list of nodes' neighbours
+ * as following:
*
* <ul>
- * <li><b>[int32]</b> the number of neighbor nodes
- * <li><b>array[vint]</b> the neighbor ordinals, delta-encoded (initially
subtracting -1)
+ * <li>For each level:
+ * <ul>
+ * <li>For each node:
+ * <ul>
+ * <li><b>[int32]</b> the number of neighbor nodes
+ * <li><b>array[int32]</b> the neighbor ordinals
+ * <li><b>array[int32]</b> padding from empty integers if the
number of neigbors less
Review comment:
Addressed in 5e42f220c9c35ed0ec567bd2b760c6cbe21671f4
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