Test Database Lab

Author: NikolayS

test/1.synthetic.sh

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+#!/bin/bash
+set -euxo pipefail
+
+DIR=${0%/*}
+source "${DIR}/_prerequisites.ubuntu.sh"
+source "${DIR}/_zfs.file.sh"
+
+sudo docker run \
+  --name dblab_pg_initdb \
+  --label dblab_sync \
+  --env PGDATA=/var/lib/postgresql/pgdata \
+  --env POSTGRES_HOST_AUTH_METHOD=trust \
+  --volume /var/lib/dblab/data:/var/lib/postgresql/pgdata \
+  --detach \
+  postgres:12-alpine
+
+while true; do
+  sudo docker exec -it dblab_pg_initdb psql -U postgres -c 'select' && break
+  sleep 1
+done
+
+sudo docker exec -it dblab_pg_initdb psql -U postgres -c 'create database test'
+
+# 1,000,000 accounts, ~0.14 GiB of data.
+sudo docker exec -it dblab_pg_initdb pgbench -U postgres -i -s 10 test
+
+sudo docker stop dblab_pg_initdb
+sudo docker rm dblab_pg_initdb

test/_cleanup.sh

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+#!/bin/bash
+set -euxo pipefail
+
+ZFS_FILE="$(pwd)/zfs_file"
+
+sudo docker rm -f dblab_pg_initdb || true
+sudo zpool destroy test_pool || true
+sudo umount /var/lib/dblab/data || true
+sudo rm -f "${ZFS_FILE}"

test/_prerequisites.ubuntu.sh

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+#!/bin/bash
+set -euxo pipefail
+
+curl --version || sudo apt-get update && sudo apt-get install -y \
+  apt-transport-https \
+  ca-certificates \
+  curl \
+  gnupg-agent \
+  software-properties-common
+
+# ZFS
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+
+sudo add-apt-repository \
+  "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+  $(lsb_release -cs) \
+  stable"
+
+docker --version || sudo apt-get update && sudo apt-get install -y \
+  docker-ce \
+  docker-ce-cli \
+  containerd.io \
+  zfsutils-linux

test/_zfs.file.sh

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+#!/bin/bash
+set -euxo pipefail
+
+ZFS_FILE="$(pwd)/zfs_file"
+
+truncate --size 1GB "${ZFS_FILE}"
+
+sudo zpool create -f \
+  -O compression=on \
+  -O atime=off \
+  -O recordsize=8k \
+  -O logbias=throughput \
+  -m /var/lib/dblab/data \
+  test_pool \
+  "${ZFS_FILE}"
+
+zfs list