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_r374697544
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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:
Good thinking! +1 for `findFullFlushMerges`, to make it clear it's a FULL
flush (`commit` or `refresh`) and not an ordinary flush e.g. when the in-memory
segments are taking too much memory and some are flushed.
And then I guess the method could look at `MergeTrigger` to differentiate
whether it's a `commit` or a `refresh`?
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