jasperjiaguo commented on code in PR #11200: URL: https://github.com/apache/pinot/pull/11200#discussion_r1284700792
########## pinot-core/src/main/java/org/apache/pinot/core/operator/docidsets/AndDocIdSet.java: ########## @@ -75,13 +77,22 @@ public BlockDocIdIterator iterator() { List<BitmapBasedDocIdIterator> bitmapBasedDocIdIterators = new ArrayList<>(); List<ScanBasedDocIdIterator> scanBasedDocIdIterators = new ArrayList<>(); List<BlockDocIdIterator> remainingDocIdIterators = new ArrayList<>(); - for (int i = 0; i < numDocIdSets; i++) { - BlockDocIdIterator docIdIterator = _docIdSets.get(i).iterator(); + + Iterator<BlockDocIdSet> iterator = _docIdSets.iterator(); + for (int i = 0; iterator.hasNext(); i++) { + BlockDocIdSet blockDocIdSet = iterator.next(); + BlockDocIdIterator docIdIterator = blockDocIdSet.iterator(); allDocIdIterators[i] = docIdIterator; if (docIdIterator instanceof SortedDocIdIterator) { sortedDocIdIterators.add((SortedDocIdIterator) docIdIterator); + // do not keep holding on to the _docIdRanges since they will occupy heap space during the query execution + _numEntriesScannedInFilter += blockDocIdSet.getNumEntriesScannedInFilter(); Review Comment: Added -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org