It does prevent dropping the table, making schema alterations to it (such as column add/drop), or anything else that wants an exclusive lock. This does not prevent reads or writes of the table. Pg_dump takes a reader's lock (AccessShareLock). pg_dump does not block other users accessing the database (readers or writers). It makes consistent backups even if the database is being used concurrently. Pg_dump is a utility for backing up a PostgreSQL database. Later, you discover that the source was an engineer running pg_dump against sandbox DB to check data migration. We quickly figured out that the app is dropping DB connections:īut there are no other alerts, and RDS is all green. Suddenly, you notice a dramatically increasing latency on your sandbox app: Imagine this: It is a normal, quiet day with no deployments or planned maintenance. Why look at PostgreSQL monitoring tools? One example: In the next article, we will show you how we deploy the RDS Alarms Lambda and the gluing parts at the same time. In our first extended look at monitoring Amazon’s Relational Database Service (RDS), we will cover basic RDS monitors, the Amazon Web Services (AWS) Lambda specifics, and our new monitoring tool - the RDS Alarms Lambda. Let’s take a look at the current setup and see how our tools can help you establish the proper precautions while monitoring performance. ![]() In order to ensure that your customers are getting the most out of their user experience, you have to make sure that things are running smoothly under the hood of your website or application. ![]() Many businesses utilize AWS and, in turn, RDS.
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