1. Identify the source of the PostgreSQL 25008 error:

ELECT * FROM pg_stat_activity;

2. Check the PostgreSQL log file for more information about the error:

tail -f /var/log/postgresql/postgresql-.log

3. Check the PostgreSQL configuration file for any misconfigurations:

cat /etc/postgresql//main/postgresql.conf

4. Check the PostgreSQL database for any corrupt data:

SELECT * FROM pg_stat_activity WHERE state = 'idle in transaction';

5. Check the PostgreSQL database for any locks:

SELECT * FROM pg_locks;

6. Check the PostgreSQL database for any long-running queries:

SELECT * FROM pg_stat_activity WHERE state = 'active';

7. Restart the PostgreSQL server:

sudo service postgresql restart

8. Use an automated database observability tool to monitor and fix the PostgreSQL 25008 in question. Automated database observability tools can provide real-time insights into the performance and health of your PostgreSQL database, allowing you to quickly identify and fix any issues that may arise. Additionally, these tools can provide alerts when certain thresholds are exceeded, allowing you to proactively address any potential issues before they become a problem.