mayya-sharipova commented on a change in pull request #416:
URL: https://github.com/apache/lucene/pull/416#discussion_r767385760
##########
File path:
lucene/core/src/java/org/apache/lucene/codecs/lucene90/Lucene90HnswVectorsReader.java
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@@ -205,6 +215,43 @@ private FieldEntry readField(DataInput input) throws
IOException {
return new FieldEntry(input, similarityFunction);
}
+ private void fillGraphNodesAndOffsetsByLevel() throws IOException {
+ for (FieldEntry entry : fields.values()) {
+ IndexInput input =
Review comment:
@jtibshirani
> It feels a bit surprising that FieldEntry is constructed across two
different files (both the metadata and graph index files)
As an alternative, to make FieldEntry fields only from a single `meta` file,
I've created a [PR](https://github.com/apache/lucene/pull/536) that keeps the
current 3 files ( .vec, .vex, and .vem), where .vem file stores all the
level's nodes; but instead of storing neighbour's offsets we calculate them,
which allows to keep .vem metadata file smaller. What do you think of this
approach?
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