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Databases & messaging · #mysql
Learn how to diagnose and fix WooCommerce checkout slowdowns caused by wp_options bloat and wc_sessions fragmentation using database analysis and object caching.
Learn how to size the MySQL InnoDB Buffer Pool to eliminate disk I/O bottlenecks, avoid OS swapping, and identify when to move from tuning to sharding.
Learn how MySQL RANGE partitioning can slice a huge event‑log table into yearly segments, boost query speed, and simplify maintenance. See a step‑by‑step example, trade‑offs, and practical checks for your own deployments.
Learn how to diagnose and resolve 'Timeout acquiring a connection' errors in Knex.js by identifying connection leaks and optimizing pool configurations.
Guide on choosing between B-Tree and Adaptive Hash Indexing for high-cardinality columns in MySQL InnoDB to balance point-lookup speed and range-scan capability.
Stop wasting database resources on unused indexes. Learn how the Leftmost Prefix Rule and column selectivity determine whether your MySQL composite index actually speeds up queries or just slows down your writes.
Learn how Vitess uses VReplication to perform online resharding, moving data between MySQL shards without downtime using binlog streaming and a structured cutover process.
Learn how to add a column to an InnoDB table with MySQL’s online DDL, allowing concurrent writes, monitoring progress, and recovering if the operation needs more log space.
The same project needs to behave consistently on developer machines, in CI and after deployment. Which versions, dependencies and configuration should be recorded?
woocommerce
knexjs
vitess