benwtrent commented on code in PR #13124:
URL: https://github.com/apache/lucene/pull/13124#discussion_r1523142360
##########
lucene/core/src/java/org/apache/lucene/codecs/lucene99/Lucene99HnswVectorsFormat.java:
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@@ -152,7 +154,25 @@ public Lucene99HnswVectorsFormat() {
* @param beamWidth the size of the queue maintained during graph
construction.
*/
public Lucene99HnswVectorsFormat(int maxConn, int beamWidth) {
- this(maxConn, beamWidth, DEFAULT_NUM_MERGE_WORKER, null);
+ super("Lucene99HnswVectorsFormat");
+ if (maxConn <= 0 || maxConn > MAXIMUM_MAX_CONN) {
+ throw new IllegalArgumentException(
+ "maxConn must be positive and less than or equal to "
+ + MAXIMUM_MAX_CONN
+ + "; maxConn="
+ + maxConn);
+ }
+ if (beamWidth <= 0 || beamWidth > MAXIMUM_BEAM_WIDTH) {
+ throw new IllegalArgumentException(
+ "beamWidth must be positive and less than or equal to "
+ + MAXIMUM_BEAM_WIDTH
+ + "; beamWidth="
+ + beamWidth);
+ }
+ this.maxConn = maxConn;
+ this.beamWidth = beamWidth;
+ this.mergeExec = null;
+ this.numMergeWorkers = 1;
Review Comment:
> Oh I see, you haven't yet put in the change for auto figure out number of
workers
I am wanting to do that separately. It will require its own benchmarking,
etc. and this change is good even without choosing an automatic split for the
hnsw graph merge.
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