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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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October 23, 2026

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John Lionis

PHP2Shell Vulnerability: Percona Security Update

About PHP Remote Code Execution Vulnerability (PHP2Shell CVE-2026-109618 & CVE-2026-109619) Percona Security has been actively monitoring and resp...

“MongoDB was slow on Thursday”: answering the app team with mongo-health

When a Small Change Writes Too Much – How A Linux Kernel Improvement Can Strike You in PXC/Galera Workloads

PGO or not PGO this is the dilemma. Step 1

Far
Enough.

Said no pioneer ever.

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The Percona Database Performance Blog

“MongoDB was slow on Thursday”: answering the app team with mongo-health

When a Small Change Writes Too Much – How A Linux Kernel Improvement Can Strike You in PXC/Galera Workloads

JavaScript in MySQL: Extending SQL, Not Moving the Application

Thread Pool in Percona Server and MySQL (Part 2)

Meet MySQL 26.7: A New Versioning Era Begins

MongoDB 9.0: More 8.4 than 9.0?

PGO or not PGO this is the dilemma. Step 3

PGO or not PGO this is the dilemma. Step 2

PGO or not PGO this is the dilemma. Step 1

Far Enough.

Far
Enough.