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ti-srebot merged 1 commit into from
Aug 31, 2020
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reference/tools: add warning for deprecated loader (#3747) #3761

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8 changes: 6 additions & 2 deletions loader-overview.md
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Expand Up @@ -10,7 +10,7 @@ aliases: ['/docs/v3.0/loader-overview/','/docs/v3.0/reference/tools/loader/','/d

Loader is a data import tool to load data to TiDB.

It can be [downloaded](/download-ecosystem-tools.md) as part of the Enterprise Tools package.
It can be [downloaded](/download-ecosystem-tools.md) as part of the tidb-enterprise-tools package.

## Why did we develop Loader?

Expand All @@ -37,7 +37,7 @@ Since tools like mysqldump will take us days to migrate massive amounts of data,
> **Note:**
>
> - Do not import the `mysql` system database from the MySQL instance to the downstream TiDB instance.
> - If Mydumper uses the `-m` parameter, the data is exported without the table structure and the loader can not import the data.
> - If Mydumper uses the `-m` parameter, the data is exported without the table schema and the loader can not import the data.
> - If you use the default `checkpoint-schema` parameter, after importing the data of a database, run `drop database tidb_loader` before you begin to import the next database.
> - It is recommended to specify the `checkpoint-schema = "tidb_loader"` parameter when importing data.

Expand Down Expand Up @@ -119,12 +119,16 @@ max-allowed-packet = 67108864

Command line parameter:

{{< copyable "shell-regular" >}}

```
./bin/loader -d ./test -h 127.0.0.1 -u root -P 4000
```

Or use configuration file "config.toml":

{{< copyable "shell-regular" >}}

```
./bin/loader -c=config.toml
```
Expand Down