A lot can go wrong with a PostgreSQL installation. Worse, many problems may lurk undetected as the issue builds over a period of time, then suddenly strike with a major impact that brings it to the forefront of everyone’s attention. Whether it’s a glaring drop in performance, or a dramatic rise in resource consumption and billing costs, it’s important to identify such problems as early as possible—or, better yet, avoid them by configuring your implementation to suit the desired workload.
Drawing on Percona’s experience helping countless PostgreSQL shops over the years, we’ve compiled a list of the most common mistakes. Even if you think you’ve configured your PostgreSQL installation the right way, you may still find this list useful in validating your setup.
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