Add ScramDB ClickBench entries (cpu, tuned)

scramdb-tuned/README.md

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+# ScramDB (tuned)
+
+`tuned: yes` companion to [`scramdb`](../scramdb). Same image and harness, only
+the config differs. See that README for the rest.
+
+    bash benchmark.sh
+
+**None of this has been measured against these 43 queries yet.** It is reasoned
+from the engine's defaults, not from a sweep.
+
+## Tuned
+
+- `backend = "io_uring"` (base stays on the `auto` default)
+- `morsel_size` 8MB, `arena_chunk_size` 8MB
+- `copy_batch_rows` 131072, `copy_pipeline_depth` 8 (load path only)
+- `spill_agg_partitions` 128 - the high-cardinality GROUP BY and exact
+  COUNT(DISTINCT) queries all spill
+- `prefetch_depth` 32, `prefetch_queue_depth` 256, `bloom_max_bytes` 16KB
+- `flush_threshold_rows` 65536
+- background compaction, GC and auto-analyze pushed past the run length; the
+  driver restarts before all 43 queries, so nothing should wake mid-query
+
+Memory and segment sizing stay at product defaults; join knobs are untouched
+(no joins in the 43 queries).

scramdb-tuned/benchmark.sh

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+#!/bin/bash
+
+export BENCH_DOWNLOAD_SCRIPT="download-hits-csv"
+
+export PGHOST="${PGHOST:-localhost}"
+export PGPORT="${PGPORT:-5432}"
+export PGUSER="${PGUSER:-scramdb}"
+export PGDATABASE="${PGDATABASE:-scramdb}"
+export PGCONNECT_TIMEOUT="${PGCONNECT_TIMEOUT:-10}"
+export SCRAMDB_IMAGE="${SCRAMDB_IMAGE:-scramdb/scramdb:d563548}"
+
+exec ../lib/benchmark-common.sh

scramdb-tuned/check

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+#!/bin/bash
+set -e
+psql -t -c 'SELECT 1' >/dev/null

scramdb-tuned/create.sql

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+CREATE TABLE hits
+(
+    WatchID BIGINT NOT NULL,
+    JavaEnable SMALLINT NOT NULL,
+    Title TEXT NOT NULL,
+    GoodEvent SMALLINT NOT NULL,
+    EventTime TIMESTAMP NOT NULL,
+    EventDate Date NOT NULL,
+    CounterID INTEGER NOT NULL,
+    ClientIP INTEGER NOT NULL,
+    RegionID INTEGER NOT NULL,
+    UserID BIGINT NOT NULL,
+    CounterClass SMALLINT NOT NULL,
+    OS SMALLINT NOT NULL,
+    UserAgent SMALLINT NOT NULL,
+    URL TEXT NOT NULL,
+    Referer TEXT NOT NULL,
+    IsRefresh SMALLINT NOT NULL,
+    RefererCategoryID SMALLINT NOT NULL,
+    RefererRegionID INTEGER NOT NULL,
+    URLCategoryID SMALLINT NOT NULL,
+    URLRegionID INTEGER NOT NULL,
+    ResolutionWidth SMALLINT NOT NULL,
+    ResolutionHeight SMALLINT NOT NULL,
+    ResolutionDepth SMALLINT NOT NULL,
+    FlashMajor SMALLINT NOT NULL,
+    FlashMinor SMALLINT NOT NULL,
+    FlashMinor2 TEXT NOT NULL,
+    NetMajor SMALLINT NOT NULL,
+    NetMinor SMALLINT NOT NULL,
+    UserAgentMajor SMALLINT NOT NULL,
+    UserAgentMinor VARCHAR(255) NOT NULL,
+    CookieEnable SMALLINT NOT NULL,
+    JavascriptEnable SMALLINT NOT NULL,
+    IsMobile SMALLINT NOT NULL,
+    MobilePhone SMALLINT NOT NULL,
+    MobilePhoneModel TEXT NOT NULL,
+    Params TEXT NOT NULL,
+    IPNetworkID INTEGER NOT NULL,
+    TraficSourceID SMALLINT NOT NULL,
+    SearchEngineID SMALLINT NOT NULL,
+    SearchPhrase TEXT NOT NULL,
+    AdvEngineID SMALLINT NOT NULL,
+    IsArtifical SMALLINT NOT NULL,
+    WindowClientWidth SMALLINT NOT NULL,
+    WindowClientHeight SMALLINT NOT NULL,
+    ClientTimeZone SMALLINT NOT NULL,
+    ClientEventTime TIMESTAMP NOT NULL,
+    SilverlightVersion1 SMALLINT NOT NULL,
+    SilverlightVersion2 SMALLINT NOT NULL,
+    SilverlightVersion3 INTEGER NOT NULL,
+    SilverlightVersion4 SMALLINT NOT NULL,
+    PageCharset TEXT NOT NULL,
+    CodeVersion INTEGER NOT NULL,
+    IsLink SMALLINT NOT NULL,
+    IsDownload SMALLINT NOT NULL,
+    IsNotBounce SMALLINT NOT NULL,
+    FUniqID BIGINT NOT NULL,
+    OriginalURL TEXT NOT NULL,
+    HID INTEGER NOT NULL,
+    IsOldCounter SMALLINT NOT NULL,
+    IsEvent SMALLINT NOT NULL,
+    IsParameter SMALLINT NOT NULL,
+    DontCountHits SMALLINT NOT NULL,
+    WithHash SMALLINT NOT NULL,
+    HitColor CHAR NOT NULL,
+    LocalEventTime TIMESTAMP NOT NULL,
+    Age SMALLINT NOT NULL,
+    Sex SMALLINT NOT NULL,
+    Income SMALLINT NOT NULL,
+    Interests SMALLINT NOT NULL,
+    Robotness SMALLINT NOT NULL,
+    RemoteIP INTEGER NOT NULL,
+    WindowName INTEGER NOT NULL,
+    OpenerName INTEGER NOT NULL,
+    HistoryLength SMALLINT NOT NULL,
+    BrowserLanguage TEXT NOT NULL,
+    BrowserCountry TEXT NOT NULL,
+    SocialNetwork TEXT NOT NULL,
+    SocialAction TEXT NOT NULL,
+    HTTPError SMALLINT NOT NULL,
+    SendTiming INTEGER NOT NULL,
+    DNSTiming INTEGER NOT NULL,
+    ConnectTiming INTEGER NOT NULL,
+    ResponseStartTiming INTEGER NOT NULL,
+    ResponseEndTiming INTEGER NOT NULL,
+    FetchTiming INTEGER NOT NULL,
+    SocialSourceNetworkID SMALLINT NOT NULL,
+    SocialSourcePage TEXT NOT NULL,
+    ParamPrice BIGINT NOT NULL,
+    ParamOrderID TEXT NOT NULL,
+    ParamCurrency TEXT NOT NULL,
+    ParamCurrencyID SMALLINT NOT NULL,
+    OpenstatServiceName TEXT NOT NULL,
+    OpenstatCampaignID TEXT NOT NULL,
+    OpenstatAdID TEXT NOT NULL,
+    OpenstatSourceID TEXT NOT NULL,
+    UTMSource TEXT NOT NULL,
+    UTMMedium TEXT NOT NULL,
+    UTMCampaign TEXT NOT NULL,
+    UTMContent TEXT NOT NULL,
+    UTMTerm TEXT NOT NULL,
+    FromTag TEXT NOT NULL,
+    HasGCLID SMALLINT NOT NULL,
+    RefererHash BIGINT NOT NULL,
+    URLHash BIGINT NOT NULL,
+    CLID INTEGER NOT NULL,
+    PRIMARY KEY (CounterID, EventDate, UserID, EventTime, WatchID)
+);

scramdb-tuned/data-size

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+#!/bin/bash
+set -eu
+sudo du -sb --exclude=scramvm_cache ./db | cut -f1

scramdb-tuned/install

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+#!/bin/bash
+set -eu
+
+sudo apt-get update -y
+sudo apt-get install -y postgresql-client docker.io bc
+
+./stop || true
+sudo docker rm -f scramdb 2>/dev/null || true
+sudo rm -rf ./db
+mkdir -p ./db
+chmod 777 ./db
+
+ram_kb=$(grep MemTotal /proc/meminfo | tr -dc 0-9)
+ram_mb=$(( ram_kb / 1024 ))
+ram_gb=$(( ram_mb / 1024 ))
+
+if [ "$ram_gb" -lt 16 ]; then
+    echo "WARNING: ScramDB targets machines with at least 16 GB of RAM; this one has ${ram_gb} GB." >&2
+    echo "WARNING: proceeding anyway, but this result is not representative of the product." >&2
+fi
+
+jit_mb=$(( ram_mb * 10 / 100 ))
+floor_mb=2048
+if [ "$floor_mb" -gt $(( ram_mb / 4 )) ]; then floor_mb=$(( ram_mb / 4 )); fi
+if [ "$jit_mb" -lt "$floor_mb" ]; then jit_mb=$floor_mb; fi
+if [ "$jit_mb" -gt 32768 ]; then jit_mb=32768; fi
+jit_disk_mb=$(( jit_mb * 4 ))
+if [ "$jit_disk_mb" -lt 4096 ]; then jit_disk_mb=4096; fi
+if [ "$jit_disk_mb" -gt 65536 ]; then jit_disk_mb=65536; fi
+echo "scramdb-tuned: ${ram_gb} GB RAM detected -> compiled-query cache ${jit_mb}MB memory / ${jit_disk_mb}MB disk"
+
+cat > scramdb-config.toml <<EOF
+[general]
+jit_enabled = true
+metrics_port = 9090
+pg_address = "0.0.0.0:5432"
+shutdown_jit_quiesce_timeout_secs = 10
+shutdown_drain_timeout_secs = 5
+
+[jit]
+compiled_cache_memory = "${jit_mb}MB"
+compiled_cache_disk = "${jit_disk_mb}MB"
+
+[storage]
+prod_name = "tundra"
+shard_id = 0
+basedir = "/var/lib/scramdb"
+buffer_pool_percent = 60
+buffer_pool_cap = "192GB"
+execution_memory_percent = 15
+execution_memory_cap = "64GB"
+
+flush_threshold_rows = 65536
+prefetch_depth = 32
+prefetch_queue_depth = 256
+bloom_max_bytes = "16KB"
+
+[storage.memory]
+working_set_percent = 85
+
+[storage.io]
+backend = "io_uring"
+
+[storage.wal.archive]
+enabled = false
+
+[storage.cold_config]
+cold_enable = false
+writeback_frequency_secs = 0
+concurrent_requests = 0
+bucket_name = ""
+cloud_api = "GCP"
+base_path = ""
+
+[execution]
+workers = "auto"
+morsel_size = "8MB"
+copy_batch_rows = 131072
+copy_pipeline_depth = 8
+spill_agg_partitions = 128
+arena_chunk_size = "8MB"
+
+[storage.compaction]
+check_interval = "24h"
+
+[storage.gc]
+cycle_interval = "24h"
+
+[statistics]
+analyze_on_load = false
+auto_analyze_check_interval = "24h"
+
+[udf]
+enabled = false
+
+[gpu]
+enabled = false
+EOF
+
+sudo docker pull "${SCRAMDB_IMAGE:-scramdb/scramdb:d563548}"

scramdb-tuned/load

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+#!/bin/bash
+set -eu
+
+psql -v ON_ERROR_STOP=1 -f create.sql
+psql -v ON_ERROR_STOP=1 -c "COPY hits FROM '/bench/hits.csv' WITH (FORMAT CSV)"
+psql -v ON_ERROR_STOP=1 -c "CHECKPOINT"
+psql -v ON_ERROR_STOP=1 -c "ANALYZE hits"
+
+rm -f hits.csv
+sync

scramdb-tuned/queries.sql

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+SELECT COUNT(*) FROM hits;
+SELECT COUNT(*) FROM hits WHERE AdvEngineID <> 0;
+SELECT SUM(AdvEngineID), COUNT(*), AVG(ResolutionWidth) FROM hits;
+SELECT AVG(UserID) FROM hits;
+SELECT COUNT(DISTINCT UserID) FROM hits;
+SELECT COUNT(DISTINCT SearchPhrase) FROM hits;
+SELECT MIN(EventDate), MAX(EventDate) FROM hits;
+SELECT AdvEngineID, COUNT(*) FROM hits WHERE AdvEngineID <> 0 GROUP BY AdvEngineID ORDER BY COUNT(*) DESC;
+SELECT RegionID, COUNT(DISTINCT UserID) AS u FROM hits GROUP BY RegionID ORDER BY u DESC LIMIT 10;
+SELECT RegionID, SUM(AdvEngineID), COUNT(*) AS c, AVG(ResolutionWidth), COUNT(DISTINCT UserID) FROM hits GROUP BY RegionID ORDER BY c DESC LIMIT 10;
+SELECT MobilePhoneModel, COUNT(DISTINCT UserID) AS u FROM hits WHERE MobilePhoneModel <> '' GROUP BY MobilePhoneModel ORDER BY u DESC LIMIT 10;
+SELECT MobilePhone, MobilePhoneModel, COUNT(DISTINCT UserID) AS u FROM hits WHERE MobilePhoneModel <> '' GROUP BY MobilePhone, MobilePhoneModel ORDER BY u DESC LIMIT 10;
+SELECT SearchPhrase, COUNT(*) AS c FROM hits WHERE SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT SearchPhrase, COUNT(DISTINCT UserID) AS u FROM hits WHERE SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY u DESC LIMIT 10;
+SELECT SearchEngineID, SearchPhrase, COUNT(*) AS c FROM hits WHERE SearchPhrase <> '' GROUP BY SearchEngineID, SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT UserID, COUNT(*) FROM hits GROUP BY UserID ORDER BY COUNT(*) DESC LIMIT 10;
+SELECT UserID, SearchPhrase, COUNT(*) FROM hits GROUP BY UserID, SearchPhrase ORDER BY COUNT(*) DESC LIMIT 10;
+SELECT UserID, SearchPhrase, COUNT(*) FROM hits GROUP BY UserID, SearchPhrase LIMIT 10;
+SELECT UserID, extract(minute FROM EventTime) AS m, SearchPhrase, COUNT(*) FROM hits GROUP BY UserID, m, SearchPhrase ORDER BY COUNT(*) DESC LIMIT 10;
+SELECT UserID FROM hits WHERE UserID = 435090932899640449;
+SELECT COUNT(*) FROM hits WHERE URL LIKE '%google%';
+SELECT SearchPhrase, MIN(URL), COUNT(*) AS c FROM hits WHERE URL LIKE '%google%' AND SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT SearchPhrase, MIN(URL), MIN(Title), COUNT(*) AS c, COUNT(DISTINCT UserID) FROM hits WHERE Title LIKE '%Google%' AND URL NOT LIKE '%.google.%' AND SearchPhrase <> '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;
+SELECT * FROM hits WHERE URL LIKE '%google%' ORDER BY EventTime LIMIT 10;
+SELECT SearchPhrase FROM hits WHERE SearchPhrase <> '' ORDER BY EventTime LIMIT 10;
+SELECT SearchPhrase FROM hits WHERE SearchPhrase <> '' ORDER BY SearchPhrase LIMIT 10;
+SELECT SearchPhrase FROM hits WHERE SearchPhrase <> '' ORDER BY EventTime, SearchPhrase LIMIT 10;
+SELECT CounterID, AVG(length(URL)) AS l, COUNT(*) AS c FROM hits WHERE URL <> '' GROUP BY CounterID HAVING COUNT(*) > 100000 ORDER BY l DESC LIMIT 25;
+SELECT REGEXP_REPLACE(Referer, '^https?://(?:www\.)?([^/]+)/.*$', '\1') AS k, AVG(length(Referer)) AS l, COUNT(*) AS c, MIN(Referer) FROM hits WHERE Referer <> '' GROUP BY k HAVING COUNT(*) > 100000 ORDER BY l DESC LIMIT 25;
+SELECT SUM(ResolutionWidth), SUM(ResolutionWidth + 1), SUM(ResolutionWidth + 2), SUM(ResolutionWidth + 3), SUM(ResolutionWidth + 4), SUM(ResolutionWidth + 5), SUM(ResolutionWidth + 6), SUM(ResolutionWidth + 7), SUM(ResolutionWidth + 8), SUM(ResolutionWidth + 9), SUM(ResolutionWidth + 10), SUM(ResolutionWidth + 11), SUM(ResolutionWidth + 12), SUM(ResolutionWidth + 13), SUM(ResolutionWidth + 14), SUM(ResolutionWidth + 15), SUM(ResolutionWidth + 16), SUM(ResolutionWidth + 17), SUM(ResolutionWidth + 18), SUM(ResolutionWidth + 19), SUM(ResolutionWidth + 20), SUM(ResolutionWidth + 21), SUM(ResolutionWidth + 22), SUM(ResolutionWidth + 23), SUM(ResolutionWidth + 24), SUM(ResolutionWidth + 25), SUM(ResolutionWidth + 26), SUM(ResolutionWidth + 27), SUM(ResolutionWidth + 28), SUM(ResolutionWidth + 29), SUM(ResolutionWidth + 30), SUM(ResolutionWidth + 31), SUM(ResolutionWidth + 32), SUM(ResolutionWidth + 33), SUM(ResolutionWidth + 34), SUM(ResolutionWidth + 35), SUM(ResolutionWidth + 36), SUM(ResolutionWidth + 37), SUM(ResolutionWidth + 38), SUM(ResolutionWidth + 39), SUM(ResolutionWidth + 40), SUM(ResolutionWidth + 41), SUM(ResolutionWidth + 42), SUM(ResolutionWidth + 43), SUM(ResolutionWidth + 44), SUM(ResolutionWidth + 45), SUM(ResolutionWidth + 46), SUM(ResolutionWidth + 47), SUM(ResolutionWidth + 48), SUM(ResolutionWidth + 49), SUM(ResolutionWidth + 50), SUM(ResolutionWidth + 51), SUM(ResolutionWidth + 52), SUM(ResolutionWidth + 53), SUM(ResolutionWidth + 54), SUM(ResolutionWidth + 55), SUM(ResolutionWidth + 56), SUM(ResolutionWidth + 57), SUM(ResolutionWidth + 58), SUM(ResolutionWidth + 59), SUM(ResolutionWidth + 60), SUM(ResolutionWidth + 61), SUM(ResolutionWidth + 62), SUM(ResolutionWidth + 63), SUM(ResolutionWidth + 64), SUM(ResolutionWidth + 65), SUM(ResolutionWidth + 66), SUM(ResolutionWidth + 67), SUM(ResolutionWidth + 68), SUM(ResolutionWidth + 69), SUM(ResolutionWidth + 70), SUM(ResolutionWidth + 71), SUM(ResolutionWidth + 72), SUM(ResolutionWidth + 73), SUM(ResolutionWidth + 74), SUM(ResolutionWidth + 75), SUM(ResolutionWidth + 76), SUM(ResolutionWidth + 77), SUM(ResolutionWidth + 78), SUM(ResolutionWidth + 79), SUM(ResolutionWidth + 80), SUM(ResolutionWidth + 81), SUM(ResolutionWidth + 82), SUM(ResolutionWidth + 83), SUM(ResolutionWidth + 84), SUM(ResolutionWidth + 85), SUM(ResolutionWidth + 86), SUM(ResolutionWidth + 87), SUM(ResolutionWidth + 88), SUM(ResolutionWidth + 89) FROM hits;
+SELECT SearchEngineID, ClientIP, COUNT(*) AS c, SUM(IsRefresh), AVG(ResolutionWidth) FROM hits WHERE SearchPhrase <> '' GROUP BY SearchEngineID, ClientIP ORDER BY c DESC LIMIT 10;
+SELECT WatchID, ClientIP, COUNT(*) AS c, SUM(IsRefresh), AVG(ResolutionWidth) FROM hits WHERE SearchPhrase <> '' GROUP BY WatchID, ClientIP ORDER BY c DESC LIMIT 10;
+SELECT WatchID, ClientIP, COUNT(*) AS c, SUM(IsRefresh), AVG(ResolutionWidth) FROM hits GROUP BY WatchID, ClientIP ORDER BY c DESC LIMIT 10;
+SELECT URL, COUNT(*) AS c FROM hits GROUP BY URL ORDER BY c DESC LIMIT 10;
+SELECT 1, URL, COUNT(*) AS c FROM hits GROUP BY 1, URL ORDER BY c DESC LIMIT 10;
+SELECT ClientIP, ClientIP - 1, ClientIP - 2, ClientIP - 3, COUNT(*) AS c FROM hits GROUP BY ClientIP, ClientIP - 1, ClientIP - 2, ClientIP - 3 ORDER BY c DESC LIMIT 10;
+SELECT URL, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND DontCountHits = 0 AND IsRefresh = 0 AND URL <> '' GROUP BY URL ORDER BY PageViews DESC LIMIT 10;
+SELECT Title, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND DontCountHits = 0 AND IsRefresh = 0 AND Title <> '' GROUP BY Title ORDER BY PageViews DESC LIMIT 10;
+SELECT URL, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 AND IsLink <> 0 AND IsDownload = 0 GROUP BY URL ORDER BY PageViews DESC LIMIT 10 OFFSET 1000;
+SELECT TraficSourceID, SearchEngineID, AdvEngineID, CASE WHEN (SearchEngineID = 0 AND AdvEngineID = 0) THEN Referer ELSE '' END AS Src, URL AS Dst, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 GROUP BY TraficSourceID, SearchEngineID, AdvEngineID, Src, Dst ORDER BY PageViews DESC LIMIT 10 OFFSET 1000;
+SELECT URLHash, EventDate, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 AND TraficSourceID IN (-1, 6) AND RefererHash = 3594120000172545465 GROUP BY URLHash, EventDate ORDER BY PageViews DESC LIMIT 10 OFFSET 100;
+SELECT WindowClientWidth, WindowClientHeight, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-01' AND EventDate <= '2013-07-31' AND IsRefresh = 0 AND DontCountHits = 0 AND URLHash = 2868770270353813622 GROUP BY WindowClientWidth, WindowClientHeight ORDER BY PageViews DESC LIMIT 10 OFFSET 10000;
+SELECT DATE_TRUNC('minute', EventTime) AS M, COUNT(*) AS PageViews FROM hits WHERE CounterID = 62 AND EventDate >= '2013-07-14' AND EventDate <= '2013-07-15' AND IsRefresh = 0 AND DontCountHits = 0 GROUP BY DATE_TRUNC('minute', EventTime) ORDER BY DATE_TRUNC('minute', EventTime) LIMIT 10 OFFSET 1000;

scramdb-tuned/query

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+#!/bin/bash
+set -e
+
+query=$(cat)
+
+raw=$(psql -t -c '\timing' -c "$query" 2>&1) && exit_code=0 || exit_code=$?
+
+if [ "$exit_code" -ne 0 ] || printf '%s\n' "$raw" | grep -qE '^ERROR|psql: error'; then
+    printf '%s\n' "$raw" >&2
+    exit 1
+fi
+
+printf '%s\n' "$raw" | grep -v '^Time:' || true
+
+ms=$(printf '%s\n' "$raw" | grep -oP 'Time:\s*\K[0-9.]+' | tail -n1)
+if [ -z "$ms" ]; then
+    echo "no Time: in psql output" >&2
+    exit 1
+fi
+
+LC_ALL=C printf '%.3f\n' "$(echo "$ms / 1000" | bc -l)" >&2

scramdb-tuned/start

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+#!/bin/bash
+set -eu
+
+IMAGE="${SCRAMDB_IMAGE:-scramdb/scramdb:d563548}"
+PORT="${PGPORT:-5432}"
+
+if sudo docker inspect scramdb >/dev/null 2>&1; then
+    sudo docker start scramdb
+else
+    sudo docker run -d --name scramdb \
+        --privileged \
+        --cap-add=IPC_LOCK \
+        --ulimit memlock=-1:-1 \
+        -p "${PORT}:5432" \
+        -v "$PWD:/bench:ro" \
+        -v "$PWD/db:/var/lib/scramdb" \
+        -v "$PWD/scramdb-config.toml:/etc/scramdb/config.toml:ro" \
+        "$IMAGE"
+fi

scramdb-tuned/stop

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+#!/bin/bash
+sudo docker stop scramdb 2>/dev/null || true

scramdb-tuned/template.json

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+{
+  "system": "ScramDB",
+  "proprietary": "yes",
+  "hardware": "cpu",
+  "tuned": "yes",
+  "tags": [
+    "Rust",
+    "column-oriented",
+    "PostgreSQL compatible",
+    "UTAP",
+    "JIT"
+  ]
+}