morningman opened a new issue #2633: [Compaction] Too many compaction tasks run out of memory URL: https://github.com/apache/incubator-doris/issues/2633 Currently, we start a base compaction thread and a cumulative compaction thread for each data directory by default. So theoretically, the number of compaction tasks running simultaneously is the number of data directories multiplied by two. Compaction may consume much memory in some cases. So too much compaction may lead to OOM.
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