rmuir commented on code in PR #13424:
URL: https://github.com/apache/lucene/pull/13424#discussion_r1616256454
##########
lucene/core/src/java/org/apache/lucene/codecs/lucene90/compressing/Lucene90CompressingStoredFieldsReader.java:
##########
@@ -609,6 +622,23 @@ public void skipBytes(long numBytes) throws IOException {
}
}
+ @Override
+ public void prefetch(int docID) throws IOException {
+ final long blockID = indexReader.getBlockID(docID);
+
+ for (long prefetchedBlockID : prefetchedBlockIDCache) {
+ if (prefetchedBlockID == blockID) {
+ return;
+ }
+ }
Review Comment:
or maybe even simpler, is it enough to just cache the last blockid?
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