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catalinaadam merged 1 commit into from
Sep 8, 2025
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Revise MySQL user permissions and version references #4459

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31 changes: 15 additions & 16 deletions documentation/docs/install-pmm/install-pmm-client/connect-database/mysql/mysql.md
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Expand Up @@ -13,7 +13,6 @@ Get your MySQL instance connected to PMM in just a few steps:
-- Create PMM user with required permissions
CREATE USER 'pmm'@'localhost' IDENTIFIED BY 'StrongPassword123!' WITH MAX_USER_CONNECTIONS 10;
GRANT SELECT, PROCESS, REPLICATION CLIENT, RELOAD ON *.* TO 'pmm'@'localhost';
FLUSH PRIVILEGES;
```

**Note:**
Expand Down Expand Up @@ -108,7 +107,7 @@ This example creates a pmm user account that has just enough access to collect m
GRANT SELECT, PROCESS, REPLICATION CLIENT, RELOAD ON *.* TO 'pmm'@'localhost';
```

=== "On MySQL 8.0"
=== "On MySQL 8.x"

```sql
CREATE USER 'pmm'@'localhost' IDENTIFIED BY '<your_strong_password>' WITH MAX_USER_CONNECTIONS 10;
Expand All @@ -134,13 +133,13 @@ Here are the benefits and drawbacks of Slow query log and Performance Schema met

#### Version-specific recommendations

| Database server | Versions | Recommended source |
|--------------------------|----------------|--------------------|
| MySQL | 5.1-5.5 | Slow query log |
| MySQL | 5.6+ | Performance Schema |
| MariaDB | 10.0+ | Performance Schema |
| Percona Server for MySQL | 5.7, 8.0 | Slow query log |
| Percona XtraDB Cluster | 5.6, 5.7, 8.0 | Slow query log |
| Database server | Versions | Recommended source |
|--------------------------|--------------------|--------------------|
| MySQL | 5.1-5.5 | Slow query log |
| MySQL | 5.6+ | Performance Schema |
| MariaDB | 10.0+ | Performance Schema |
| Percona Server for MySQL | 5.7, 8.0, 8.4 | Slow query log |
| Percona XtraDB Cluster | 5.6, 5.7, 8.0, 8.4 | Slow query log |

### Configure data source

Expand Down Expand Up @@ -189,7 +188,7 @@ Here are the benefits and drawbacks of Slow query log and Performance Schema met

=== "Extended configuration (Percona Server/XtraDB)"

For Percona Server for MySQL (5.7+, 8.0+) and Percona XtraDB Cluster, add these additional settings:
For Percona Server for MySQL (5.7+, 8.x) and Percona XtraDB Cluster, add these additional settings:

| Variable | Value | Description |
|----------|-------|-------------|
Expand Down Expand Up @@ -250,8 +249,8 @@ Here are the benefits and drawbacks of Slow query log and Performance Schema met

#### Applicable versions

- **Percona Server for MySQL**: 5.6, 5.7, 8.0
- **Percona XtraDB Cluster**: 5.6, 5.7, 8.0
- **Percona Server for MySQL**: 5.6, 5.7, 8.0, 8.4
- **Percona XtraDB Cluster**: 5.6, 5.7, 8.0, 8.4
- **MariaDB**: [10.3+][mariadb_perfschema_instr_table]

PMM's [MySQL Performance Schema Details dashboard](../../../../reference/dashboards/dashboard-mysql-performance-schema-details.md) charts the various [`performance_schema`][performance-schema-startup-configuration] metrics.
Expand Down Expand Up @@ -320,11 +319,11 @@ Here are the benefits and drawbacks of Slow query log and Performance Schema met
#### Supported versions

- **Percona Server for MySQL**: 5.7 (available through Post-EOL support program)
- **NOT** available in Percona Server for MySQL 8.0 ([removed features][PS_FEATURES_REMOVED])
- **NOT** available in Percona Server for MySQL 8.x ([removed features][PS_FEATURES_REMOVED])
- **MariaDB**: 10.0.4

!!! warning "Limited version support"
This feature is not available in current Percona Server 8.0. Use this information only if you are using Percona Server 5.7 through our Post-EOL support program, where it remains actively supported.
This feature is not available in current Percona Server 8.x. Use this information only if you are using Percona Server 5.7 through our Post-EOL support program, where it remains actively supported.

### Required variable

Expand Down Expand Up @@ -373,8 +372,8 @@ You can change the limit [when configuring MySQL performance improvements](../my

User activity, individual table and index access details are shown on the [MySQL User Details][DASH_MYSQLUSERDETAILS] dashboard when the `userstat` variable is set:

- Percona Server for MySQL: 5.6, 5.7, 8.0
- Percona XtraDB Cluster: 5.6, 5.7, 8.0
- Percona Server for MySQL: 5.6, 5.7, 8.0, 8.4
- Percona XtraDB Cluster: 5.6, 5.7, 8.0, 8.4
- MariaDB: 5.2.0+

??? info "MySQL user statistics configuration examples"
Expand Down
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