Quite a few managers or clients expect DBAs to type away a few commands to fix a sluggish PostgreSQL instance. If only things were that simple. Unfortunately, debugging a sluggish instance that was previously running optimally requires analysis at many levels. In this blog, I will attempt to help that debugging process on Linux by identifying tools, tips and tricks that one can use when digging away a performance issue. I thought I could cover all the relevant topics in a single blog, but there is just far too much to write, so expect a series instead and this blog to be the first in the series of blogs. Remember, a lot of things can go…
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