docs: add config for pg kv

GreptimeTeam · Jan 9, 2025 · 7573ae9 · 7573ae9
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diff --git a/docs/user-guide/deployments/configuration.md b/docs/user-guide/deployments/configuration.md
@@ -811,6 +811,8 @@ backoff_deadline = "5mins"
 | `use_memory_store`                            | Bool    | `false`                | Store data in memory.                                                                                                                                                         |
 | `enable_region_failover`                      | Bool    | `false`                | Whether to enable region failover.<br/>This feature is only available on GreptimeDB running on cluster mode and<br/>- Using Remote WAL<br/>- Using shared storage (e.g., s3). |
 | `backend`                                     | String  | `etcd_store`           | The datastore for metasrv.<br/>- `etcd_store` (default)<br/>- `memory_store` (In memory metadata storage - only used for testing.)<br/>- `postgres_store` |
+| `meta_table_name` | String | `greptime_metakv` | Table name in RDS to store metadata. Effect when using a RDS kvbackend.<br/>**Only used when backend is `postgres_store`.** |
+| `meta_election_lock_id` | Integer | `1` | Advisory lock id in PostgreSQL for election. Effect when using PostgreSQL as kvbackend<br/>**Only used when backend is `postgres_store`.** |
 | `procedure`                                   | --      | --                     | Procedure storage options.                                                                                                                                                    |
 | `procedure.max_retry_times`                   | Integer | `12`                   | Procedure max retry time.                                                                                                                                                     |
 | `procedure.retry_delay`                       | String  | `500ms`                | Initial retry delay of procedures, increases exponentially                                                                                                                    |

diff --git a/.../docusaurus-plugin-content-docs/current/user-guide/deployments/configuration.md b/.../docusaurus-plugin-content-docs/current/user-guide/deployments/configuration.md
@@ -782,6 +782,8 @@ backoff_deadline = "5mins"
 | `use_memory_store`                            | Boolean | `false`              | 仅用于在没有 etcd 集群时的测试，将数据存储在内存中，默认值为 `false`。                                                               |
 | enable_region_failover                        | Bool    | false                | 是否启用 region failover。<br/>该功能仅在以集群模式运行的 GreptimeDB 上可用，并且<br/>- 使用远程 WAL<br/>- 使用共享存储（如 s3）。   |
 | `backend`                                     | String  | `etcd_store`           | 元数据存储类型。<br/>- `etcd_store` (默认)<br/>- `memory_store` (纯内存存储 - 仅用于测试)<br/>- `postgres_store`|
+| `meta_table_name` | String | `greptime_metakv` | 使用 RDS 存储元数据时的表名。**仅在 backend 为  postgre_store 时有效。** |
+| `meta_election_lock_id` | Integer | `1` | 用于领导选举的 PostgreSQL 咨询锁 id。**仅在 backend 为  postgre_store 时有效。** |
 | `procedure`                                   | --      | --                   |                                                                                                                                      |
 | `procedure.max_retry_times`                   | 整数    | `12`                 | Procedure 的最大重试次数。                                                                                                           |
 | `procedure.retry_delay`                       | 字符串  | `500ms`              | Procedure 初始重试延迟，延迟会指数增长。                                                                                             |