As the example shows, these parameters can contain substitutions in curly brackets. The substituted values are taken from the 'macros' section of the configuration file. Example:
```xml
...
...
@@ -180,7 +182,7 @@ There is no restriction on network bandwidth during recovery. Keep this in mind
We use the term `MergeTree` to refer to all table engines in the ` MergeTree family`, the same as for `ReplicatedMergeTree`.
If you had a `MergeTree` table that was manually replicated, you can convert it to a replicatable table. You might need to do this if you have already collected a large amount of data in a `MergeTree` table and now you want to enable replication.
If you had a `MergeTree` table that was manually replicated, you can convert it to a replicated table. You might need to do this if you have already collected a large amount of data in a `MergeTree` table and now you want to enable replication.
If the data differs on various replicas, first sync it, or delete this data on all the replicas except one.
Как видно в примере, эти параметры могут содержать подстановки в фигурных скобках. Подставляемые значения достаются из конфигурационного файла, из секции macros. Пример: