jerryshao commented on code in PR #8358:
URL: https://github.com/apache/gravitino/pull/8358#discussion_r2312782472
##########
docs/iceberg-rest-service.md:
##########
@@ -81,6 +88,116 @@ Please note that, it only takes affect in `gravitino.conf`,
you don't need to sp
The filter in `customFilters` should be a standard javax servlet filter.
You can also specify filter parameters by setting configuration entries in the
style `gravitino.iceberg-rest.<class name of filter>.param.<param
name>=<value>`.
+### Catalog backend configuration
+
+:::info
+The Gravitino Iceberg REST catalog service uses the memory catalog backend by
default. You can specify a Hive or JDBC catalog backend for production
environment.
+:::
+
+#### Hive backend configuration
+
+| Configuration item |
Description
| Default value
| Required |
Since Version |
+|---------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------|----------|---------------|
+| `gravitino.iceberg-rest.catalog-backend` |
The Catalog backend of the Gravitino Iceberg REST catalog service. Use the
value **`hive`** for a Hive catalog. | `memory`
| Yes |
0.2.0 |
+| `gravitino.iceberg-rest.uri` |
The Hive metadata address, such as `thrift://127.0.0.1:9083`.
| (none)
| Yes |
0.2.0 |
+| `gravitino.iceberg-rest.warehouse` |
The warehouse directory of the Hive catalog, such as
`/user/hive/warehouse-hive/`.
| (none)
| Yes | 0.2.0 |
+| `gravitino.iceberg-rest.catalog-backend-name` |
The catalog backend name passed to underlying Iceberg catalog backend. Catalog
name in JDBC backend is used to isolate namespace and tables. | `hive` for Hive
backend, `jdbc` for JDBC backend, `memory` for memory backend | No |
0.5.2 |
+
+#### JDBC backend configuration
+
+| Configuration item | Description
| Default value | Required | Since Version |
+|-----------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------|--------------------------|----------|---------------|
+| `gravitino.iceberg-rest.catalog-backend` | The Catalog backend of the
Gravitino Iceberg REST catalog service. Use the value **`jdbc`** for a JDBC
catalog. | `memory` | Yes | 0.2.0
|
+| `gravitino.iceberg-rest.uri` | The JDBC connection address,
such as `jdbc:postgresql://127.0.0.1:5432` for Postgres, or
`jdbc:mysql://127.0.0.1:3306/` for mysql. | (none) | Yes
| 0.2.0 |
+| `gravitino.iceberg-rest.warehouse ` | The warehouse directory of
JDBC catalog. Set the HDFS prefix if using HDFS, such as
`hdfs://127.0.0.1:9000/user/hive/warehouse-jdbc` | (none) |
Yes | 0.2.0 |
+| `gravitino.iceberg-rest.catalog-backend-name` | The catalog name passed to
underlying Iceberg catalog backend. Catalog name in JDBC backend is used to
isolate namespace and tables. | `jdbc` for JDBC backend | No | 0.5.2
|
+| `gravitino.iceberg-rest.jdbc-user` | The username of the JDBC
connection.
| (none) | No | 0.2.0
|
+| `gravitino.iceberg-rest.jdbc-password` | The password of the JDBC
connection.
| (none) | No | 0.2.0
|
+| `gravitino.iceberg-rest.jdbc-initialize` | Whether to initialize the
meta tables when creating the JDBC catalog.
| `true` | No | 0.2.0
|
+| `gravitino.iceberg-rest.jdbc-driver` | `com.mysql.jdbc.Driver` or
`com.mysql.cj.jdbc.Driver` for MySQL, `org.postgresql.Driver` for PostgreSQL.
| (none) | Yes | 0.3.0
|
+
+If you have a JDBC Iceberg catalog prior, you must set `catalog-backend-name`
to keep consistent with your Jdbc Iceberg catalog name to operate the prior
namespace and tables.
+
+:::caution
+You must download the corresponding JDBC driver to the
`iceberg-rest-server/libs` directory.
+If you are using multiple JDBC catalog backends, setting `jdbc-initialize` to
true may not take effect for RDMS like `Mysql`, you should create Iceberg meta
tables explicitly.
Review Comment:
“RDBMS”
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