77 lines
2.2 KiB
Markdown
77 lines
2.2 KiB
Markdown
```shell
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# 1. 安装 PostgreSQL 和 pgbench
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sudo apt-get update
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sudo apt-get install -y postgresql postgresql-contrib
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# 2. 找到 postgresql.conf（Ubuntu 通常在这个目录）
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ls /etc/postgresql/*/main/postgresql.conf
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# 3. 配置禁用 mmap（编辑 postgresql.conf）
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shared_memory_type = sysv
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dynamic_shared_memory_type = sysv
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# 4. 重启 PostgreSQL
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sudo systemctl stop postgresql
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rm -rf /home/lian/pg/pgdata
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rm -rf /zvfs/pg_ts_bench
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sudo chown -R postgres:postgres /home/lian/pg
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sudo -u postgres mkdir -p /home/lian/pg/pgdata
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sudo chown -R postgres:postgres /home/lian/pg/pgdata
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sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
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/usr/lib/postgresql/12/bin/initdb -D /home/lian/pg/pgdata
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cp ./postgresql.conf /home/lian/pg/pgdata/
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sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
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/usr/lib/postgresql/12/bin/pg_ctl -D /home/lian/pg/pgdata -l /tmp/pg.log start
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sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
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/usr/lib/postgresql/12/bin/psql
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sudo -u postgres env LD_PRELOAD=/home/lian/try/zvfs/src/libzvfs.so \
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/usr/lib/postgresql/12/bin/pg_ctl -D /home/lian/pg/pgdata -l /tmp/pg.log restart
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# 创建测试环境
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sudo -u postgres mkdir -p /zvfs/pg_ts_bench
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sudo chown -R postgres:postgres /zvfs/pg_ts_bench
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sudo chmod 700 /zvfs/pg_ts_bench
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CREATE TABLESPACE zvfs_ts LOCATION '/zvfs/pg_ts_bench';
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DROP DATABASE IF EXISTS benchdb;
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CREATE DATABASE benchdb TABLESPACE zvfs_ts;
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DROP TABLE IF EXISTS hook_probe;
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CREATE TABLE hook_probe(id int) TABLESPACE zvfs_ts;
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INSERT INTO hook_probe VALUES (1);
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INSERT INTO hook_probe VALUES (2);
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INSERT INTO hook_probe VALUES (3);
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INSERT INTO hook_probe VALUES (4);
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SELECT * FROM hook_probe;
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DELETE FROM hook_probe WHERE id = 1;
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UPDATE hook_probe SET id = 11 WHERE id = 2;
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SELECT * FROM hook_probe;
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# 5. 验证配置生效
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pid=$(pgrep -u postgres -xo postgres)
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echo "pid=$pid"
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sudo grep libzvfs /proc/$pid/maps
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sudo -u postgres psql -p 5432 -c "show data_directory;"
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sudo -u postgres psql -c "SHOW shared_memory_type;"
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sudo -u postgres psql -c "SHOW dynamic_shared_memory_type;"
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# 6. 创建测试库（如未创建）
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sudo -u postgres createdb benchdb
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# 7. 运行你的 bench 脚本
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bash /home/lian/try/zvfs/scripts/run_pgbench_no_mmap.sh
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``` |