jerqi commented on code in PR #9779:
URL: https://github.com/apache/gravitino/pull/9779#discussion_r2745097175
##########
docs/manage-statistics-in-gravitino.md:
##########
@@ -234,11 +234,73 @@ table.dropPartitionStatistics(statisticsToDrop);
### Server configuration
-| Configuration item | Description
| Default value
| Required | Since version |
-|-------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------|-----------|---------------|
-| `gravitino.stats.partition.storageFactoryClass` | The storage factory class
for partition statistics, which is used to store partition statistics in the
different storage. The
`org.apache.gravitino.stats.storage.MemoryPartitionStatsStorageFactory` can
only be used for testing. |
`org.apache.gravitino.stats.storage.LancePartitionStatisticStorageFactory` |
No | 1.0.0 |
+| Configuration item | Description
| Default value
| Required | Since version |
+|-------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------|-----------|---------------|
+| `gravitino.stats.partition.storageFactoryClass` | The storage factory class
for partition statistics, which is used to store partition statistics in the
different storage. The
`org.apache.gravitino.stats.storage.MemoryPartitionStatsStorageFactory` can
only be used for testing. |
`org.apache.gravitino.stats.storage.JdbcPartitionStatisticStorageFactory` | No
| 1.0.0 |
+#### JDBC Storage (Default)
+
+Starting from version 1.2.0, Gravitino uses JDBC-based storage as the default
partition statistics storage backend.
+This provides a reliable, production-ready solution that supports multiple
database backends:
+
+- **MySQL** (recommended for production)
+- **PostgreSQL**
+- **H2** (suitable for testing and development)
+
+To use JDBC storage, configure the following options by adding the prefix
`gravitino.stats.partition.storageOption.`:
+
+| Configuration item | Description
| Default value
| Required | Since version |
+|-------------------------------------------------------------|--------------------------------------------------------------------|----------------------------|----------|---------------|
+| `gravitino.stats.partition.storageOption.jdbc-url` | JDBC
connection URL (e.g., jdbc:mysql://localhost:3306/gravitino) | None
| Yes | 1.2.0 |
Review Comment:
Maybe we should change this style to camel style
`jdbc-url` to `jdbcUrl`.
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