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Delete source dataset files before sync to make cold-run prep fair #842

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35e71be
Delete source dataset files before sync to make cold-run prep fair
alexey-milovidov May 3, 2026
a333f05
Update results
alexey-milovidov May 5, 2026
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4 changes: 4 additions & 0 deletions byconity/benchmark.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,10 @@ byconity --database bench --query "INSERT INTO hits FORMAT TSV" < hits.tsv
END=$(date +%s)
echo "Load time: $(echo "$END - $START" | bc)"

# Drop the downloaded source files so the sync at the top of run.sh
# doesn't flush their pages and inflate cold-run prep time.
rm -f hits.tsv hits.tsv.gz

# NOTE: sometimes may hung due to docker-compose, using docker directly may help
./run.sh

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4 changes: 4 additions & 0 deletions cedardb/benchmark.sh
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Expand Up @@ -37,6 +37,10 @@ PGPASSWORD=test command time -f '%e' psql -h localhost -U postgres -q -t -c "COP
echo -n "Data size: "
PGPASSWORD=test psql -h localhost -U postgres -q -t -c "SELECT pg_total_relation_size('hits');"

# Drop the downloaded source files so the sync at the top of run.sh
# doesn't flush their pages and inflate cold-run prep time.
rm -f data/hits.tsv

# run benchmark
echo "running benchmark..."
./run.sh 2>&1 | tee log.txt
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4 changes: 4 additions & 0 deletions chdb/benchmark.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,10 @@ pigz -d -f hits.csv.gz
echo -n "Load time: "
command time -f '%e' ./load.py

# Drop the downloaded source files so the sync at the top of run.sh
# doesn't flush their pages and inflate cold-run prep time.
rm -f hits.csv

# Run the queries
./run.sh 2>&1 | tee log.txt

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90 changes: 45 additions & 45 deletions chdb/results/c6a.2xlarge.json
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Original file line number Diff line number Diff line change
@@ -1,58 +1,58 @@
{
"system": "chDB",
"date": "2026-03-09",
"date": "2026-05-05",
"machine": "c6a.2xlarge",
"cluster_size": 1,
"proprietary": "no",
"hardware": "cpu",
"tuned": "no",
"tags": ["C++","column-oriented","ClickHouse derivative","embedded","stateless","serverless"],
"load_time": 558,
"load_time": 554,
"data_size": 15259769402,
"result": [
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[0.132, 0.044, 0.045],
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[6.147, 5.287, 5.075],
[0.16, 0.027, 0.025],
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[13.063, 1.063, 1.07],
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[2.43, 0.299, 0.299],
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[0.375, 0.225, 0.226],
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[0.903, 0.529, 0.518],
[3.235, 2.399, 2.391],
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[15.093, 1.407, 1.352],
[12.579, 0.984, 0.987],
[2.447, 0.287, 0.279],
[0.834, 0.226, 0.221],
[2.407, 0.289, 0.283],
[0.287, 0.16, 0.154],
[12.039, 11.299, 11.02],
[0.115, 0.054, 0.056],
[0.719, 0.579, 0.563],
[4.17, 0.901, 0.901],
[14.687, 12.269, 13.341],
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[0.126, 0.032, 0.024],
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[0.104, 0.022, 0.022],
[0.098, 0.023, 0.016],
[0.087, 0.021, 0.011]
]
}

92 changes: 46 additions & 46 deletions chdb/results/c6a.4xlarge.json
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Original file line number Diff line number Diff line change
@@ -1,58 +1,58 @@
{
"system": "chDB",
"date": "2026-03-09",
"date": "2026-05-05",
"machine": "c6a.4xlarge",
"cluster_size": 1,
"proprietary": "no",
"hardware": "cpu",
"tuned": "no",
"tags": ["C++","column-oriented","ClickHouse derivative","embedded","stateless","serverless"],
"load_time": 484,
"data_size": 15262232797,
"load_time": 486,
"data_size": 15262238989,
"result": [
[0.013, 0.001, 0.001],
[0.057, 0.009, 0.008],
[0.099, 0.022, 0.023],
[0.137, 0.03, 0.03],
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[0.046, 0.009, 0.009],
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[1.923, 0.84, 0.813],
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[0.551, 0.394, 0.393],
[2.518, 1.723, 1.709],
[1.857, 1.094, 1.068],
[4.947, 3.157, 3.12],
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[11.807, 0.612, 0.634],
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[9.713, 5.265, 5.234],
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[0.13, 0.034, 0.034],
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[3.891, 0.703, 0.7],
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[0.105, 0.018, 0.018],
[0.097, 0.013, 0.012],
[0.087, 0.017, 0.01]
]
}

90 changes: 45 additions & 45 deletions chdb/results/c6a.large.json
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Original file line number Diff line number Diff line change
@@ -1,58 +1,58 @@
{
"system": "chDB",
"date": "2026-03-09",
"date": "2026-05-05",
"machine": "c6a.large",
"cluster_size": 1,
"proprietary": "no",
"hardware": "cpu",
"tuned": "no",
"tags": ["C++","column-oriented","ClickHouse derivative","embedded","stateless","serverless"],
"load_time": 779,
"load_time": 787,
"data_size": 15256492059,
"result": [
[0.015, 0.002, 0.001],
[0.135, 0.05, 0.066],
[0.433, 0.192, 0.197],
[0.845, 0.323, 0.377],
[3.539, 2.813, 2.813],
[5.636, 4.789, 3.512],
[0.122, 0.116, 0.082],
[0.142, 0.098, 0.074],
[5.28, 4.226, 4.972],
[5.335, 4.574, 4.48],
[1.593, 1, 0.975],
[2.494, 1.676, 1.826],
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[6.178, 4.896, 5.19],
[5.872, 4.137, 3.635],
[22.783, 23.086, 20.874],
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[31.589, 32.7, 33.24],
[0.446, 0.077, 0.089],
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[13.872, 6.079, 6.169],
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[2.391, 1.168, 1.183],
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[0.121, 0.027, 0.027],
[0.111, 0.022, 0.023]
]
}

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