[FLINK-11469][docs] Update documentation for `Tuning Checkpoints and …

…Large State`

This closes apache#7603.

docs/ops/state/large_state_tuning.md

@@ -161,21 +161,17 @@ RocksDBStateBackend.setOptions(new MyOptions());
 public class MyOptions implements OptionsFactory {
 
  @Override
- public DBOptions createDBOptions() {
-  return new DBOptions()
-  .setIncreaseParallelism(4)
-  .setUseFsync(false)
-  .setDisableDataSync(true);
+ public DBOptions createDBOptions(DBOptions currentOptions) {
+  return currentOptions.setIncreaseParallelism(4)
+  .setUseFsync(false);
  }
-
+  
  @Override
- public ColumnFamilyOptions createColumnOptions() {
-
-  return new ColumnFamilyOptions()
-  .setTableFormatConfig(
-  new BlockBasedTableConfig()
-  .setBlockCacheSize(256 * 1024 * 1024) // 256 MB
-  .setBlockSize(128 * 1024)); // 128 KB
+ public ColumnFamilyOptions createColumnOptions(ColumnFamilyOptions currentOptions) {
+  return currentOptions.setTableFormatConfig(
+  new BlockBasedTableConfig()
+  .setBlockCacheSize(256 * 1024 * 1024) // 256 MB
+  .setBlockSize(128 * 1024)); // 128 KB
  }
 }
 {% endhighlight %}