From ed64c110b2fe38f8aaf048bb40a4bcf9cbb9e54d Mon Sep 17 00:00:00 2001 From: SS Date: Tue, 7 Dec 2021 17:45:04 +0800 Subject: [PATCH] [skip ci] Fix grammar (#12889) Signed-off-by: sida shen --- docs/design_docs/datanode_recovery_design_0513_2021.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/design_docs/datanode_recovery_design_0513_2021.md b/docs/design_docs/datanode_recovery_design_0513_2021.md index e537679e45..6e3f35a470 100644 --- a/docs/design_docs/datanode_recovery_design_0513_2021.md +++ b/docs/design_docs/datanode_recovery_design_0513_2021.md @@ -8,11 +8,11 @@ update: 6.21.2021, by [Goose](https://github.com/XuanYang-cn) DataNode processes insert data and persist them. -DataNode is based on flowgraph; each flowgraph cares about only one vchannel. There are ddl messages, dml +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. -One vchannel only contains dml messages of one collection. A collection consists of many segments, hence -a vchannel contains dml messages of many segments. **Most importantly, the dml messages of the same segment can appear anywhere in vchannel.** +One vchannel only contains DML messages of one collection. A collection consists of many segments, hence +a vchannel contains DML messages of many segments. **Most importantly, the DML messages of the same segment can appear anywhere in vchannel.** ## What is the real meaning of DataNode recovery?