mikemccand commented on code in PR #900:
URL: https://github.com/apache/lucene/pull/900#discussion_r875923145
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lucene/core/src/java/org/apache/lucene/index/TieredMergePolicy.java:
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@@ -532,13 +532,21 @@ private MergeSpecification doFindMerges(
// segments, and already pre-excluded the too-large segments:
assert candidate.size() > 0;
+ SegmentSizeAndDocs maxSegmentSize =
segInfosSizes.get(candidate.get(0));
+ if (hitTooLarge == false
+ && mergeType == MERGE_TYPE.NATURAL
+ && bytesThisMerge < maxSegmentSize.sizeInBytes * 1.5) {
+ // Ignore any merge where the resulting segment is not at least 50%
larger than the
Review Comment:
Thanks @jpountz!
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