morningman opened a new pull request #2490: [Compaction] Fix the bug that cumulative point grows unreasonably URL: https://github.com/apache/incubator-doris/pull/2490 When there are to many segment in one rowset, which is larger than BE config 'max_cumulative_compaction_num_singleton_deltas', the cumulative compaction will not work and just increase the cumulative point, because there is only once rowset being selected. So when selecting rowset for cumulative compaction, we should meet 2 requirments before finishing the selection logic: 1. compaction score is larger than 'max_cumulative_compaction_num_singleton_deltas' 2. at least 2 rowsets are selected. ISSUE #2474
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