Anyone running a database in a production environment with over a hundred users should seriously consider employing a connection pooler to keep resource usage under control. PgBouncer is one such tool, and it’s great because it’s lightweight and yet has a handful of nifty features for DBAs that have very specific needs. One of these nifty features that I want to share about is theauth_userandauth_querycombo that serves as an alternative to the default authentication process that usesuserlist.txt
“What’s wrong withuserlist.txt” you may ask?
Read more on Postgres Rocks to learn why user/role administration can be tricky. >>
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