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Benchmark: MariaDB 11.4 Is the Only Upgrade That Meaningfully Speeds Up WordPress

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A developer benchmarked six MariaDB versions — 10.6 through 13.0 RC — against an identical WordPress and WooCommerce dataset to assess real-world query performance gains. The tests found that upgrading from 10.6 to 10.11 produces no perceptible improvement, with most query time differences falling within noise margins. The only notable jump comes at 11.4, where two optimizer changes — semi-join handling for UPDATE/DELETE and sargable date functions — cut certain query times by up to 98%. Versions 11.8, 12.3, and 13.0 RC showed no further meaningful gains over 11.4 in the tested workloads. While skipping straight to 11.4 or beyond is recommended for performance, upgrading from 10.6 is still advisable as that version reached end of life on July 6, 2026.

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