Many companies depend on databases every single day. Orders, customers, financial data, internal systems, reporting, manufacturing, logistics, websites, and business applications often rely on Oracle, PostgreSQL, MySQL, Microsoft SQL Server,…
Most companies do not need a senior database administrator sitting in the office eight hours a day. But almost every company that depends on databases should have an experienced DBA…
Česky na konci článku For many years, database administration was associated with a person sitting in the same building as the servers. The database was in the data center. The…
For many organizations, database teams are still measured by the number of tickets they close. 100 tickets closed. 50 incidents resolved. 200 change requests completed. It looks productive. But it…
A database can be completely operational and the business can still be experiencing a serious outage. The database process is running. Connections are available. CPU utilization looks normal. Storage has…
One of the hardest problems in database performance engineering is not finding that a query is slow. It is reproducing why it is slow. A production query may take 30…
A database can be UP, monitored, backed up and highly available — and still be unreliable. That sounds contradictory. It isn’t. For a business-critical database, reliability is not simply about…
Česky na konci článku. For years, database monitoring was mostly about answering simple questions: Is the database up? Is CPU high? Are there blocking sessions? Is there enough disk space?…
