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It's better to ensure 100% compatibility with the data format so the new server versions can read the old format without conversions. For example, in ClickHouse
by zX41ZdbW 3y ago
It's better to ensure 100% compatibility with the data format so the new server versions can read the old format without conversions. For example, in ClickHouse, you can install the latest version over a version from 7 years ago, and it will work just fine with the old MergeTree tables.