@@ -6,7 +6,7 @@ update: 6.21.2021, by [Goose](https://github.com/XuanYang-cn)
## What's DataNode?
DataNode processes insert data and persist them.
DataNode processes insert data and persist insert data into storage.
DataNode is based on flowgraph; each flowgraph cares about only one vchannel. There are data definition language (DDL) messages, data manipulation language (DML)
messages, and timetick messages inside one vchannel, FIFO log stream.