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Merge pull request #16646 from sevirov/sevirov-DOCSUP-3849-document_max_concurrent_queries_for_all_users

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DOCSUP-3849: Document the max_concurrent_queries_for_all_users setting
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docs/en/operations/server-configuration-parameters/settings.md
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@ -479,6 +479,26 @@ The maximum number of simultaneously processed requests.
<max_concurrent_queries>100</max_concurrent_queries>
```
## max_concurrent_queries_for_all_users {#max-concurrent-queries-for-all-users}
Throw exception if the value of this setting is less or equal than the current number of simultaneously processed queries.
Example: `max_concurrent_queries_for_all_users` can be set to 99 for all users and database administrator can set it to 100 for itself to run queries for investigation even when the server is overloaded.
Modifying the setting for one query or user does not affect other queries.
Default value: `0` that means no limit.
**Example**
``` xml
<max_concurrent_queries_for_all_users>99</max_concurrent_queries_for_all_users>
```
**See Also**
- [max_concurrent_queries](#max-concurrent-queries)
## max_connections {#max-connections}
The maximum number of inbound connections.