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To configure the maxpartitionsperinsertblock settings in a ClickHouse Docker container, follow these steps:

1. Start the ClickHouse Docker container.

2. Connect to the ClickHouse server inside the container:

   docker exec -it <container_name> clickhouse-client
   

3. Run the following command to change the maxpartitionsperinsertblock settings:

   SET max_partitions_per_insert_block = <value>;
   

   Replace <value> with the desired number of partitions per insert block.

4. Verify the settings by running the following command:

   SHOW SETTINGS;
   

   This will display the current settings for the ClickHouse server.

5. To make the settings persistent, you can add the following line to the ClickHouse server configuration file (/etc/clickhouse-server/config.xml):

   <max_partitions_per_insert_block>value</max_partitions_per_insert_block>
   

   Replace <value> with the desired number of partitions per insert block.

6. Restart the ClickHouse server for the changes to take effect:

   systemctl restart clickhouse-server