spock
PostgreSQL 多主逻辑复制扩展
概览
| 扩展包名 | 版本 | 分类 | 许可证 | 语言 |
|---|---|---|---|---|
spock | 5.0.5 | ETL | PostgreSQL | C |
| ID | 扩展名 | Bin | Lib | Load | Create | Trust | Reloc | 模式 |
|---|---|---|---|---|---|---|---|---|
| 9560 | spock | 是 | 是 | 是 | 是 | 否 | 否 | spock |
| 相关扩展 | lolor snowflake |
|---|
works on pgedge kernel fork
版本
| 类型 | 仓库 | 版本 | PG 大版本 | 包名 | 依赖 |
|---|---|---|---|---|---|
| EXT | PIGSTY | 5.0.5 | 1817161514 | spock | - |
| RPM | PIGSTY | 5.0.5 | 1817161514 | spock_$v | pgedge_$v |
| DEB | PIGSTY | 5.0.5 | 1817161514 | pgedge-$v-spock | pgedge-$v |
| OS / PG | PG18 | PG17 | PG16 | PG15 | PG14 |
|---|---|---|---|---|---|
| el8.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 el8.x86_64.pg17 : spock_17 spock_17-5.0.5-1PIGSTY.el8.x86_64.rpm
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| el8.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 el8.aarch64.pg17 : spock_17 spock_17-5.0.5-1PIGSTY.el8.aarch64.rpm
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| el9.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 el9.x86_64.pg17 : spock_17 spock_17-5.0.5-1PIGSTY.el9.x86_64.rpm
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| el9.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 el9.aarch64.pg17 : spock_17 spock_17-5.0.5-1PIGSTY.el9.aarch64.rpm
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| el10.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 el10.x86_64.pg17 : spock_17 spock_17-5.0.5-1PIGSTY.el10.x86_64.rpm
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| el10.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 el10.aarch64.pg17 : spock_17 spock_17-5.0.5-1PIGSTY.el10.aarch64.rpm
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| d12.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 d12.x86_64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~bookworm_amd64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| d12.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 d12.aarch64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~bookworm_arm64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| d13.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 d13.x86_64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~trixie_amd64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| d13.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 d13.aarch64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~trixie_arm64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| u22.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 u22.x86_64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~jammy_amd64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| u22.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 u22.aarch64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~jammy_arm64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| u24.x86_64 | PIGSTY MISS | PIGSTY 5.0.5 u24.x86_64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~noble_amd64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
| u24.aarch64 | PIGSTY MISS | PIGSTY 5.0.5 u24.aarch64.pg17 : pgedge-17-spock pgedge-17-spock_5.0.5-1PIGSTY~noble_arm64.deb
| PIGSTY MISS | PIGSTY MISS | PIGSTY MISS |
构建
您可以使用 pig build 命令构建 spock 扩展的 RPM / DEB 包:
pig build pkg spock # 构建 RPM / DEB 包
安装
您可以直接安装 spock 扩展包的预置二进制包,首先确保 PGDG 和 PIGSTY 仓库已经添加并启用:
pig repo add pgsql -u # 添加仓库并更新缓存
使用 pig 或者是 apt/yum/dnf 安装扩展:
pig install spock; # 当前活跃 PG 版本安装
pig ext install -y spock -v 17 # PG 17
dnf install -y spock_17 # PG 17
apt install -y pgedge-17-spock # PG 17
预加载配置:
shared_preload_libraries = 'spock';
创建扩展:
CREATE EXTENSION spock;
用法
PostgreSQL 15+ 的多主逻辑复制。每个节点同时充当发布者和订阅者。
配置
在 postgresql.conf 中:
wal_level = 'logical'
max_worker_processes = 10
max_replication_slots = 10
max_wal_senders = 10
shared_preload_libraries = 'spock'
track_commit_timestamp = on
spock.enable_ddl_replication = on
spock.include_ddl_repset = on
启用
CREATE EXTENSION spock;
创建节点
在每个节点上创建节点身份:
-- 节点 1
SELECT spock.node_create(
node_name := 'n1',
dsn := 'host=10.0.0.5 port=5432 dbname=mydb'
);
-- 节点 2
SELECT spock.node_create(
node_name := 'n2',
dsn := 'host=10.0.0.7 port=5432 dbname=mydb'
);
创建订阅
对于多主,每个节点订阅其他所有节点:
-- 在 n1 上:订阅 n2
SELECT spock.sub_create(
subscription_name := 'sub_n1n2',
provider_dsn := 'host=10.0.0.7 port=5432 dbname=mydb'
);
-- 在 n2 上:订阅 n1
SELECT spock.sub_create(
subscription_name := 'sub_n2n1',
provider_dsn := 'host=10.0.0.5 port=5432 dbname=mydb'
);
复制集管理
-- 将表添加到复制
SELECT spock.repset_add_table('default', 'my_table');
-- 从复制中移除表
SELECT spock.repset_remove_table('default', 'my_table');
-- 添加模式中的所有表
SELECT spock.repset_add_all_tables('default', '{public}');
关键特性
- 多主(双活)复制
- 自动 DDL 复制
- 使用提交时间戳进行冲突检测和解决
- 行和列过滤
- 支持 PostgreSQL 15、16、17 和 18
- 表必须有主键且跨节点模式匹配