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9 lines
385 B
MySQL
9 lines
385 B
MySQL
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SET max_bytes_before_external_group_by = 100000000;
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SET max_memory_usage = 1000000000;
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SELECT URL, uniq(SearchPhrase) AS u FROM test.hits GROUP BY URL ORDER BY u DESC, URL LIMIT 10;
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SET max_memory_usage = 300000000;
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SET aggregation_memory_efficient_merge_threads = 1;
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SET max_threads = 2;
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SELECT URL, uniq(SearchPhrase) AS u FROM test.hits GROUP BY URL ORDER BY u DESC, URL LIMIT 10;
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