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Raúl MarínandClaude Opus 4.6
19f0b3178e
Benchmark for `getExtremes` called by `MergeTreeIndexAggregatorMinMax::update` on every granule during INSERT with implicit minmax indexes. Uses CODEC(NONE), single insert thread, no deduplication, and no squashing to isolate skip index overhead from compression/squashing/hashing noise. Co-Authored-By: Claude Opus 4.6 <[email protected]>
44 lines
2.7 KiB
XML
44 lines
2.7 KiB
XML
<test>
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<!-- Benchmark for implicit minmax skip index computation during INSERT.
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Uses CODEC(NONE), single insert thread, no deduplication, no squashing,
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and no sparse serialization to reduce noise from unrelated work. -->
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<create_query>
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CREATE TABLE minmax_insert
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(
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u8_1 UInt8, u8_2 UInt8, u8_3 UInt8, u8_4 UInt8, u8_5 UInt8,
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u16_1 UInt16, u16_2 UInt16, u16_3 UInt16, u16_4 UInt16, u16_5 UInt16,
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u32_1 UInt32, u32_2 UInt32, u32_3 UInt32, u32_4 UInt32, u32_5 UInt32,
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u64_1 UInt64, u64_2 UInt64, u64_3 UInt64, u64_4 UInt64, u64_5 UInt64,
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i8_1 Int8, i8_2 Int8, i8_3 Int8, i8_4 Int8, i8_5 Int8,
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i16_1 Int16, i16_2 Int16, i16_3 Int16, i16_4 Int16, i16_5 Int16,
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i32_1 Int32, i32_2 Int32, i32_3 Int32, i32_4 Int32, i32_5 Int32,
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i64_1 Int64, i64_2 Int64, i64_3 Int64, i64_4 Int64, i64_5 Int64,
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f32_1 Float32, f32_2 Float32, f32_3 Float32, f32_4 Float32, f32_5 Float32,
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f64_1 Float64, f64_2 Float64, f64_3 Float64, f64_4 Float64, f64_5 Float64
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)
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ENGINE = MergeTree ORDER BY ()
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SETTINGS add_minmax_index_for_numeric_columns = 1, default_compression_codec = 'NONE', non_replicated_deduplication_window = 0, ratio_of_defaults_for_sparse_serialization = 1.0, parts_to_delay_insert = 50000, parts_to_throw_insert = 50000
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</create_query>
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<create_query>SYSTEM STOP MERGES minmax_insert</create_query>
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<query>
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INSERT INTO minmax_insert
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SELECT
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toUInt8(number), toUInt8(number), toUInt8(number), toUInt8(number), toUInt8(number),
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toUInt16(number), toUInt16(number), toUInt16(number), toUInt16(number), toUInt16(number),
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toUInt32(number), toUInt32(number), toUInt32(number), toUInt32(number), toUInt32(number),
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number, number, number, number, number,
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toInt8(number), toInt8(number), toInt8(number), toInt8(number), toInt8(number),
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toInt16(number), toInt16(number), toInt16(number), toInt16(number), toInt16(number),
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toInt32(number), toInt32(number), toInt32(number), toInt32(number), toInt32(number),
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toInt64(number), toInt64(number), toInt64(number), toInt64(number), toInt64(number),
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toFloat32(number), toFloat32(number), toFloat32(number), toFloat32(number), toFloat32(number),
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toFloat64(number), toFloat64(number), toFloat64(number), toFloat64(number), toFloat64(number)
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FROM numbers(1000000)
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SETTINGS insert_deduplicate = 0, max_insert_threads = 1, min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0
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</query>
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<drop_query>DROP TABLE IF EXISTS minmax_insert</drop_query>
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</test>
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