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Link zh/settings_profiles to en/settings_profiles since they are the same

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Mikhail f. Shiryaev 2019-12-22 15:41:41 +01:00
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docs/zh/operations/settings/settings_profiles.md
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# Settings profiles
A settings profile is a collection of settings grouped under the same name. Each ClickHouse user has a profile.
To apply all the settings in a profile, set the `profile` setting.
Example:
Install the `web` profile.
``` sql
SET profile = 'web'
```
Settings profiles are declared in the user config file. This is usually `users.xml`.
Example:
```xml
<!-- Settings profiles -->
<profiles>
<!-- Default settings -->
<default>
<!-- The maximum number of threads when running a single query. -->
<max_threads>8</max_threads>
</default>
<!-- Settings for quries from the user interface -->
<web>
<max_rows_to_read>1000000000</max_rows_to_read>
<max_bytes_to_read>100000000000</max_bytes_to_read>
<max_rows_to_group_by>1000000</max_rows_to_group_by>
<group_by_overflow_mode>any</group_by_overflow_mode>
<max_rows_to_sort>1000000</max_rows_to_sort>
<max_bytes_to_sort>1000000000</max_bytes_to_sort>
<max_result_rows>100000</max_result_rows>
<max_result_bytes>100000000</max_result_bytes>
<result_overflow_mode>break</result_overflow_mode>
<max_execution_time>600</max_execution_time>
<min_execution_speed>1000000</min_execution_speed>
<timeout_before_checking_execution_speed>15</timeout_before_checking_execution_speed>
<max_columns_to_read>25</max_columns_to_read>
<max_temporary_columns>100</max_temporary_columns>
<max_temporary_non_const_columns>50</max_temporary_non_const_columns>
<max_subquery_depth>2</max_subquery_depth>
<max_pipeline_depth>25</max_pipeline_depth>
<max_ast_depth>50</max_ast_depth>
<max_ast_elements>100</max_ast_elements>
<readonly>1</readonly>
</web>
</profiles>
```
The example specifies two profiles: `default` and `web`. The `default` profile has a special purpose: it must always be present and is applied when starting the server. In other words, the `default` profile contains default settings. The `web` profile is a regular profile that can be set using the `SET` query or using a URL parameter in an HTTP query.
Settings profiles can inherit from each other. To use inheritance, indicate the `profile` setting before the other settings that are listed in the profile.
[Original article](https://clickhouse.yandex/docs/en/operations/settings/settings_profiles/) <!--hide-->

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docs/zh/operations/settings/settings_profiles.md Symbolic link
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../../../en/operations/settings/settings_profiles.md