# pgedge

> pgEdge 内核模板，提供面向边缘场景的多主分布式 PostgreSQL 能力

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LLMS index: [llms.txt](/llms.txt)

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`pgedge` 配置模板使用 pgEdge 数据库内核替代原生 PostgreSQL，提供面向边缘场景的分布式与多主复制能力。

完整教程请参考：**[pgEdge 内核使用说明](/docs/pgsql/kernel/pgedge/)**；所有内核分支的差异与版本口径见 [PGSQL 内核总览](/docs/pgsql/kernel/)。


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## 配置概览

- 配置名称： `pgedge`
- 节点数量： 单节点
- 配置说明：pgEdge（PG18）分布式内核配置模板
- 适用系统：`d12`, `d13`, `u22`, `u24`, `u26`（PG18 包）；EL/RPM 平台请以当前 PGSQL 仓库的 `pgedge_18` 包可用性为准
- 适用架构：`x86_64`, `aarch64`
- 相关配置：[`meta`](/docs/conf/meta/)、[`pgsql`](/docs/conf/pgsql/)

启用方式：

```bash
./configure -c pgedge [-i <primary_ip>]
```


--------

## 配置内容

源文件地址：[`pigsty/conf/pgedge.yml`](https://github.com/pgsty/pigsty/blob/main/conf/pgedge.yml)

<div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nn">---</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c">#==============================================================#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># File      :   pgedge.yml</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Desc      :   1-node pgEdge (Distributed PG) template</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Ctime     :   2026-02-26</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Mtime     :   2026-07-08</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Docs      :   https://pigsty.io/docs/conf/pgedge</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># License   :   Apache-2.0 @ https://pigsty.io/docs/about/license/</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Copyright :   2018-2026  Ruohang Feng / Vonng (rh@vonng.com)</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c">#==============================================================#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># This is the config template for pgEdge Kernel,</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Which is a PostgreSQL 15/16/17/18 compatible fork, default to 18.</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># tutorial: https://pigsty.io/docs/pgsql/kernel/pgedge</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c">#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c"># Usage:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c">#   curl https://repo.pigsty.io/get | bash</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c">#   ./configure -c pgedge [-v 15/16/17/18]</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="c">#   ./deploy.yml</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="nt">all</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">  </span><span class="nt">children</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">infra</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">hosts</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">10.10.10.10</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">infra_seq</span><span class="p">:</span><span class="w"> </span><span class="nt">1 }} ,vars</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">repo_enabled</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w"> </span>}}<span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">etcd</span><span class="p">:</span><span class="w">  </span>{<span class="w"> </span><span class="nt">hosts</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">10.10.10.10</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">etcd_seq</span><span class="p">:</span><span class="w"> </span><span class="nt">1  }} ,vars</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">etcd_cluster</span><span class="p">:</span><span class="w"> </span><span class="l">etcd  }}</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#minio: { hosts: { 10.10.10.10: { minio_seq: 1 }} ,vars: { minio_cluster: minio }}</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c"># pgEdge Database Cluster</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">pg-meta</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">      </span><span class="nt">hosts</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">10.10.10.10</span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">pg_seq</span><span class="p">:</span><span class="w"> </span><span class="nt">1, pg_role</span><span class="p">:</span><span class="w"> </span><span class="l">primary }</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">      </span><span class="nt">vars</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_cluster</span><span class="p">:</span><span class="w"> </span><span class="l">pg-meta</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_users</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">          </span>- {<span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="nt">dbuser_meta ,password</span><span class="p">:</span><span class="w"> </span><span class="nt">DBUser.Meta   ,pgbouncer</span><span class="p">:</span><span class="w"> </span><span class="nt">true ,roles</span><span class="p">:</span><span class="w"> </span><span class="nt">[dbrole_admin]    ,comment</span><span class="p">:</span><span class="w"> </span><span class="l">pigsty admin user }</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">          </span>- {<span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="nt">dbuser_view ,password</span><span class="p">:</span><span class="w"> </span><span class="nt">DBUser.Viewer ,pgbouncer</span><span class="p">:</span><span class="w"> </span><span class="nt">true ,roles</span><span class="p">:</span><span class="w"> </span><span class="nt">[dbrole_readonly] ,comment</span><span class="p">:</span><span class="w"> </span><span class="l">read-only viewer for meta database }</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_databases</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">          </span>- {<span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="nt">meta ,baseline</span><span class="p">:</span><span class="w"> </span><span class="nt">cmdb.sql ,comment</span><span class="p">:</span><span class="w"> </span><span class="nt">pigsty meta database ,schemas</span><span class="p">:</span><span class="w"> </span><span class="nt">[pigsty] ,extensions</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="l">spock, snowflake, lolor]}</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_hba_rules</span><span class="p">:</span><span class="w">   </span><span class="c"># https://pigsty.io/docs/pgsql/config/hba</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">          </span>- {<span class="w"> </span><span class="nt">user</span><span class="p">:</span><span class="w"> </span><span class="nt">all ,db</span><span class="p">:</span><span class="w"> </span><span class="nt">all ,addr</span><span class="p">:</span><span class="w"> </span><span class="nt">intra ,auth</span><span class="p">:</span><span class="w"> </span><span class="nt">pwd ,title</span><span class="p">:</span><span class="w"> </span><span class="nt">&#39;everyone intranet access with password&#39; ,order</span><span class="p">:</span><span class="w"> </span><span class="m">800</span><span class="w"> </span>}<span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_crontab</span><span class="p">:</span><span class="w">     </span><span class="c"># https://pigsty.io/docs/pgsql/admin/crontab</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">          </span>- <span class="s1">&#39;00 01 * * * /pg/bin/pg-backup full&#39;</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="c"># pgEdge Ad Hoc Settings</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_mode</span><span class="p">:</span><span class="w"> </span><span class="l">pgedge                              </span><span class="w"> </span><span class="c"># pgEdge compatible mode</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_packages</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="l">pgedge, pgsql-common ]        </span><span class="w"> </span><span class="c"># install pgEdge kernel package + common utils</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">        </span><span class="nt">pg_libs</span><span class="p">:</span><span class="w"> </span><span class="s1">&#39;spock, lolor, pg_stat_statements, auto_explain&#39;</span><span class="w"> </span><span class="c"># preload required libs for pgEdge logical replication</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">  </span><span class="nt">vars</span><span class="p">:</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c"># INFRA : https://pigsty.io/docs/infra/param</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">version</span><span class="p">:</span><span class="w"> </span><span class="l">v4.5.0                  </span><span class="w"> </span><span class="c"># pigsty version string</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">admin_ip</span><span class="p">:</span><span class="w"> </span><span class="m">10.10.10.10</span><span class="w">             </span><span class="c"># admin node ip address</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">region</span><span class="p">:</span><span class="w"> </span><span class="l">default                  </span><span class="w"> </span><span class="c"># upstream mirror region: default,china,europe</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">infra_portal</span><span class="p">:</span><span class="w">                     </span><span class="c"># infra services exposed via portal</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">      </span><span class="nt">home </span><span class="p">:</span><span class="w"> </span>{<span class="w"> </span><span class="nt">domain</span><span class="p">:</span><span class="w"> </span><span class="l">i.pigsty }    </span><span class="w"> </span><span class="c"># default domain name</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c"># NODE : https://pigsty.io/docs/node/param</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">nodename_overwrite</span><span class="p">:</span><span class="w"> </span><span class="kc">false</span><span class="w">           </span><span class="c"># do not overwrite node hostname on single node mode</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">node_repo_modules</span><span class="p">:</span><span class="w"> </span><span class="l">node,infra,pgsql</span><span class="w"> </span><span class="c"># add these repos directly to the singleton node</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">node_tune</span><span class="p">:</span><span class="w"> </span><span class="l">oltp                    </span><span class="w"> </span><span class="c"># node tuning specs: oltp,olap,tiny,crit</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c"># PGSQL : https://pigsty.io/docs/pgsql/param</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">pg_version</span><span class="p">:</span><span class="w"> </span><span class="m">18</span><span class="w">                      </span><span class="c"># pgEdge kernel is compatible with postgres 18</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">pg_conf</span><span class="p">:</span><span class="w"> </span><span class="l">oltp.yml                  </span><span class="w"> </span><span class="c"># pgsql tuning specs: {oltp,olap,tiny,crit}.yml</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c"># PASSWORD : https://pigsty.io/docs/setup/security/</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="c">#----------------------------------------------#</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">grafana_admin_password</span><span class="p">:</span><span class="w"> </span><span class="l">pigsty</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">grafana_view_password</span><span class="p">:</span><span class="w"> </span><span class="l">DBUser.Viewer</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">pg_admin_password</span><span class="p">:</span><span class="w"> </span><span class="l">DBUser.DBA</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">pg_monitor_password</span><span class="p">:</span><span class="w"> </span><span class="l">DBUser.Monitor</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">pg_replication_password</span><span class="p">:</span><span class="w"> </span><span class="l">DBUser.Replicator</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">patroni_password</span><span class="p">:</span><span class="w"> </span><span class="l">Patroni.API</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">haproxy_admin_password</span><span class="p">:</span><span class="w"> </span><span class="l">pigsty</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">minio_secret_key</span><span class="p">:</span><span class="w"> </span><span class="l">S3User.MinIO</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="nt">etcd_root_password</span><span class="p">:</span><span class="w"> </span><span class="l">Etcd.Root</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="nn">...</span><span class="w">
</span></span></span></code></pre></div>


--------

## 配置解读

`pgedge` 模板在 `pg-meta` 集群中启用 `pg_mode: pgedge`，并预装 pgEdge 核心扩展用于逻辑复制与边缘分布式场景。

**关键特性**：
- 使用 `pgedge` 内核包替代标准 PostgreSQL（兼容 PG15/16/17/18，默认 PG18）
- `spock`、`snowflake`、`lolor` 随 `pgedge-$v` 内核包交付，并在 `meta` 数据库中默认创建
- 默认预加载 [`spock`](/ext/e/spock/) 与 [`lolor`](/ext/e/lolor/)，便于后续多主复制配置
- 保留 Pigsty 的标准备份、监控与运维能力

**适用场景**：
- 多地域边缘部署与就近写入
- 需要多主逻辑复制与冲突处理能力
- 从单节点验证逐步扩展到分布式拓扑

**注意事项**：
- 当前模板用于单节点内核验证，生产多主需额外规划节点拓扑与复制策略
- 默认 `pg_version: 18`，建议与目标集群版本保持一致
- 进行跨地域复制前，请先评估网络时延与冲突处理策略
