dsmiley commented on code in PR #1557:
URL: https://github.com/apache/solr/pull/1557#discussion_r1179707432
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solr/core/src/java/org/apache/solr/search/SolrDocumentFetcher.java:
##########
@@ -372,7 +372,7 @@ public void doc(int docId, StoredFieldVisitor visitor)
throws IOException {
Document cached = doc(docId);
visitFromCached(cached, visitor);
} else {
- searcher.getIndexReader().document(docId, visitor);
+ searcher.getIndexReader().storedFields().document(docId, visitor);
Review Comment:
I think this pattern -- calling storedFields() only to use it for exactly
one document should be banned from any hot code path. And SolrDocumentFetcher
is such. I sympathize that a more elegant solution isn't obvious but we should
do something.
Perhaps we change the contract of SolrIndexSearcher.getDocFetcher (which I
added years ago BTW) to return a new instance (with a storedFields of course)
that is not thread-safe. But nonetheless has all the existing caches of any
other instance pulled from the same searcher. Hmmmm.
Or use an existing well-managed ThreadLocal -- SolrRequestInfo, to hold the
StoredField instance. If it's null (unexpected / non-standard use cases) then
the fallback is grab a storedFields() one-off use. I think this would work
well.
##########
solr/core/src/java/org/apache/solr/handler/admin/IndexSizeEstimator.java:
##########
@@ -384,16 +386,17 @@ private void estimateTermVectors(Map<String, Object>
result) throws IOException
for (LeafReaderContext leafReaderContext : reader.leaves()) {
LeafReader leafReader = leafReaderContext.reader();
Bits liveDocs = leafReader.getLiveDocs();
+ TermVectors termVectors = leafReader.termVectors();
for (int docId = 0; docId < leafReader.maxDoc(); docId += samplingStep) {
if (liveDocs != null && !liveDocs.get(docId)) {
continue;
}
- Fields termVectors = leafReader.getTermVectors(docId);
- if (termVectors == null) {
+ Fields vectors = termVectors.get(docId);
+ if (vectors == null) {
Review Comment:
Why change the variable name? "vectors" is bringing a more ambiguous word
in recent times ("vector search")
##########
solr/core/src/java/org/apache/solr/handler/component/TermVectorComponent.java:
##########
@@ -251,6 +252,7 @@ public void process(ResponseBuilder rb) throws IOException {
SolrIndexSearcher searcher = rb.req.getSearcher();
IndexReader reader = searcher.getIndexReader();
+ TermVectors tm = reader.termVectors();
Review Comment:
Please improve this variable name, such as use `termVectors`
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