morningman opened a new issue #2631: [Rowset Reader] Rowset reader is too slow for merge reading URL: https://github.com/apache/incubator-doris/issues/2631 Currently, when merge reads from multi rowsets, or one rowset with multi overlapping segments, we use an algorithm with a time complexity of O(N^2). Which results in that when the rowset is very many or the segments within a rowset are very many, the read efficiency cannot be endure.
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