Scripts for benchmarking partitioning

.gitignore

@@ -2,4 +2,5 @@ go.work*
 .env
 *.csv
 *.out
+*.log
 csv_export.tgz

benchmark/.env

@@ -0,0 +1 @@
+../.env

benchmark/create-dump.sh

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+#!/bin/sh
+
+cd ..
+
+docker compose exec -i postgres pg_dump -U postgres -d bluesky -t records -t records_id_seq --schema-only | sed -E -e 's/PARTITION BY.*/;/' > records.sql
+docker compose exec -i postgres pg_dump -U postgres -d bluesky --table-and-children records --load-via-partition-root --data-only | lz4 > records.sql.lz4

benchmark/docker-compose.yml

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+version: '3.8'
+
+services:
+  postgres:
+    image: "postgres:16"
+    volumes:
+      - "${DATA_DIR:?specify data dir in .env file}/benchmark:/var/lib/postgresql/data:rw"
+    restart: always
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    environment:
+      POSTGRES_DB: bluesky
+      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD:?specify password in .env file}"
+    command: ["-c", "max_connections=1000"]

benchmark/run.sh

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+#!/bin/sh
+
+output="psql_$(date '+%y%m%d_%H%M%S').log"
+
+set -x
+
+docker compose stop postgres
+
+. ./.env
+sudo rm -rf ${DATA_DIR:?DATA_DIR not set}/benchmark
+
+echo "$(date): Starting data import..."
+
+docker compose up -d postgres
+
+while ! docker compose exec postgres psql -U postgres -d bluesky -c 'select 1;'; do sleep 1; done
+
+cat ../records.sql | docker compose exec -iT postgres psql -U postgres -d bluesky
+lz4cat ../records.sql.lz4 | docker compose exec -iT postgres psql -U postgres -d bluesky
+
+echo "$(date): Data import done"
+
+cat ../db-migration/20240217_partition.sql \
+  | docker compose exec -iT postgres psql -U postgres -d bluesky --echo-queries -c '\timing' \
+  | tee -a "${output}"