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system-variables: add datadir and license (#5761) #5891

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Merged
ti-chi-bot merged 2 commits into from
Jul 6, 2021
Merged

system-variables: add datadir and license (#5761) #5891

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819164b
This is an automated cherry-pick of #5761
morgo Jun 29, 2021
8244b35
Update system-variables.md
morgo Jul 5, 2021
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13 changes: 13 additions & 0 deletions system-variables.md
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Expand Up @@ -42,6 +42,13 @@ SET GLOBAL tidb_distsql_scan_concurrency = 10;
- Default value: 0
- Determines whether to allow explicitly specifying the values of the column with the `AUTO_RANDOM` attribute in the `INSERT` statement. `1` means to allow and `0` means to disallow.

### datadir

- Scope: NONE
- Default value: /tmp/tidb
- This variable indicates the location where data is stored. This location can be a local path or point to a PD server if the data is stored on TiKV.
- A value in the format of `ip_address:port` indicates the PD server that TiDB connects to on startup.

### ddl_slow_threshold

- Scope: INSTANCE
Expand Down Expand Up @@ -78,6 +85,12 @@ SET GLOBAL tidb_distsql_scan_concurrency = 10;
- Default value: 0
- This variable is used to show whether the execution plan used in the previous statement was influenced by a [plan binding](/sql-plan-management.md)

### license

- Scope: NONE
- Default value: Apache License 2.0
- This variable indicates the license of your TiDB server installation.

### max_execution_time

- Scope: SESSION | GLOBAL
Expand Down