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The Percona Database Performance Blog

Technical guides, deep dives, and perspectives across MySQL, PostgreSQL, MongoDB, Valkey, Redis, and more.

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November 12, 2026
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Zelmar Michelini
So, now you need to upgrade your MongoDB cluster…
Your MongoDB cluster has been running fine for years on 4.4 or 6.0. Then the version goes end of life, a CVE shows up in an audit, or a new feature ne...
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