morningman opened a new pull request #2839: [Compaction] Avoid unnecessary compaction URL: https://github.com/apache/incubator-doris/pull/2839 It is not necessary to perform compaction in the following cases 1. A tablet has only 2 rowsets, the versions are [0-1] and [2-x]. In this case, there is no need to perform base compaction because the [0-1] version is an empty version. 2. The initial value of the `last successful execution time of compaction` is 0, which causes the first time to determine the time interval from the last successful execution time of compaction, which always meets the conditions to trigger cumulative compaction. ISSUE: #2838
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