Adrien Grand created LUCENE-8392:
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Summary: TieredMergePolicy has broken assumptions when
maxMergeAtOnce is greater than segmentsPerTier
Key: LUCENE-8392
URL: https://issues.apache.org/jira/browse/LUCENE-8392
Project: Lucene - Core
Issue Type: Test
Reporter: Adrien Grand
Attachments: LUCENE-8392.patch
While working on LUCENE-8391 I had test failures when {{maxMergeAtOnce}} is
larger than {{segmentsPerTier}}. For instance when all segments are on the same
tier, the maximum number of segments that is allowed in the index is
{{segmentsPerTier}} but because the tiered policy wants to find
{{maxMergeAtOnce}} segments to merge, no segments will get merged if there are
less than {{maxMergeAtOnce}} segments.
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