Bases de donnéesPercona Database BlogAnglais (fort signal lorsque le volume local est faible)
Bases de données
Ask anyone who runs a multi-node MySQL Galera Cluster in production about their worst night. Almost nobody says write-set replication was wrong. They say something closer to this: “All queries piling up… no error messages in logs.” Twenty…
On September 30, AWS announced that Aurora PostgreSQL can now query Apache Iceberg and Parquet data directly. That brings the number of things a vendor might mean by “Postgres reads Iceberg” to at least four, and they have about as much in…
The numeric type has existed in Postgres for more than 25 years. Over that time, it has undergone many optimisations and refinements. And yet operations on this type - aggregation in particular - still look rather inefficient.Since the…
Grab migrated its high-volume Counter Service from a wide column database to Aerospike using storage abstraction, shadow traffic, data parity validation, and gradual traffic migration. The redesigned data model consolidated time buckets…