Bases de donnéesPercona Database Blog
Bases de données
pgBackRest is a foundational component of the PostgreSQL backup solutions supported by Percona, playing a critical role in ensuring reliable and resilient data protection for our customers. It is a testament to the strength of the open…
In the previous article we watched every UPDATE leave dead tuple behind. The same copy-on-write behaviour shows up from the operational angle in DELETEs are difficult. That's the tradeoff of MVCC and on the heap alone it's tolerable. The…
PostgreSQL 19 ships with parallel autovacuum. The new GUC autovacuum_max_parallel_workers caps the cluster-wide pool, and the per-table storage parameter autovacuum_parallel_workers lets you tune individual tables. Workers come out of the…
Adding caching to your application architecture can significantly improve key performance metrics, cut latency, and reduce load across downstream systems. In this walkthrough, we highlight the latest caching best practices and incorporate…