mikemccand commented on a change in pull request #1155: LUCENE-8962: Add
ability to selectively merge on commit
URL: https://github.com/apache/lucene-solr/pull/1155#discussion_r373739081
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File path: lucene/core/src/java/org/apache/lucene/index/MergePolicy.java
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@@ -526,6 +526,19 @@ public abstract MergeSpecification findForcedMerges(
public abstract MergeSpecification findForcedDeletesMerges(
SegmentInfos segmentInfos, MergeContext mergeContext) throws IOException;
+ /**
+ * Identifies merges that we want to execute (synchronously) on commit. By
default, do not synchronously merge on commit.
Review comment:
Can you describe a bit more? E.g. explain that any merges returned here
which then finish within the allotted time will be reflected in the commit, so
that the number of segments in the commit point may be decreased?
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