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Add documentation for the clean_db_records script. #83

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Add documentation for the clean_db_records script. #83

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67 changes: 8 additions & 59 deletions manual/maintain/clean_database.md
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Expand Up @@ -18,71 +18,20 @@ cd <install-path>/seafile-server-latest
./seahub.sh python-env python3 seahub/manage.py clearsessions
```

### Activity
### Clean DB Records

To clean the activity records, login in to MySQL/MariaDB and use the following command:
Since version 8.0, we offer command to clear login, activity, file access, file update, file history and permisson records in Seahub database.

For version 8.0, all records older that 90 days will be deleted
```
use seahub_db;
DELETE FROM Event WHERE to_days(now()) - to_days(timestamp) > 90;
```

The corresponding items in UserEvent will deleted automatically by MariaDB when the foreign keys in Event table are deleted.

Since version 7.0, the table Activity is used intead of Event. Correspondingly, you need to empty the Activity table.

Use the following command:

```
use seahub_db;
DELETE FROM Activity WHERE to_days(now()) - to_days(timestamp) > 90;
```

The corresponding items in UserActivity will deleted automatically by MariaDB when the foreign keys in Activity table are deleted.

### Login

To clean the login records, login in to MySQL/MariaDB and use the following command:

```
use seahub_db;
DELETE FROM sysadmin_extra_userloginlog WHERE to_days(now()) - to_days(login_date) > 90;
```

### File Access

To clean the file access records, login in to MySQL/MariaDB and use the following command:

```
use seahub_db;
DELETE FROM FileAudit WHERE to_days(now()) - to_days(timestamp) > 90;
```

### File Update

To clean the file update records, login in to MySQL/MariaDB and use the following command:

```
use seahub_db;
DELETE FROM FileUpdate WHERE to_days(now()) - to_days(timestamp) > 90;
```

### Permisson

To clean the permisson records, login in to MySQL/MariaDB and use the following command:

```
use seahub_db;
DELETE FROM PermAudit WHERE to_days(now()) - to_days(timestamp) > 90;
cd <install-path>/seafile-server-latest
./seahub.sh python-env python3 seahub/manage.py clean_db_records
```

### File History

To clean the file history records, login in to MySQL/MariaDB and use the following command:

For version 10 and later there is an keep days option, all records that are older that this will be deleted.
```
use seahub_db;
DELETE FROM FileHistory WHERE to_days(now()) - to_days(timestamp) > 90;
cd <install-path>/seafile-server-latest
./seahub.sh python-env python3 seahub/manage.py clean_db_records --days 120
```

### Outdated Library Data
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