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Expensive SQL on Exadata 26.1: Read the Offload Numbers Before You Build the Index

The Exadata ticket we see most often is not about a slow query. It is about a cluster that runs hot for hours, an IORM plan that somebody keeps re-tuning, and a licence conversation about [...]

pgvector on RDS deployment patterns: coupled, sidecar and split architectures with HNSW memory sizing

pgvector on RDS: What CTOs Should Know Before Building AI Features on Their OLTP Database

pgvector on RDS is the fastest path to shipping an AI feature, and it is also one of the quickest ways to turn a healthy transactional database into a latency incident. Both statements are true [...]

PostgreSQL Support diagram of the query lifecycle from parse to execute with planner inputs, pg_stat_statements instrumentation and a wait event triage table

Optimizing SQLs in PostgreSQL 18.4: 12 Proven Techniques for Peak Performance

A practical field manual for optimizing SQLs in PostgreSQL 18.4: EXPLAIN with buffers, B-tree skip scans, asynchronous I/O, statistics, join tuning, six animated diagrams and seven premium diagnostic scripts.

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MariaDB 12.3 LTS: Advances and Building Fault-Tolerant MariaDB Infrastructure at Internet Scale

MariaDB 12.3 is the current long-term support release of MariaDB Community Server. It reached Stable/GA on 28 May 2026 and is maintained until June 2029, making it the first LTS line since MariaDB 11.8. For [...]

Milvus Observability and Monitoring Infrastructure: Performance, Scalability, and High Availability

Most engineering teams discover the limits of their Milvus observability at two in the morning, somewhere between a p99 that has quietly tripled and a Grafana dashboard that only knows how to show CPU. Milvus [...]

MariaDB Performance Monitoring: 20 Essential Metrics Every DBA Should Track for Troubleshooting

Why MariaDB Performance Monitoring Fails Without Baselines MariaDB performance monitoring is what separates a diagnosis from a guess. Most MariaDB incidents are never actually diagnosed. When a production cluster degrades at 02:00, the on-call DBA [...]

Redis Performance Troubleshooting: A Field Guide to Diagnosing and Resolving Production Bottlenecks

Redis Performance Troubleshooting is the single most valuable skill for any team running Redis at scale. When a production Redis instance slows down, the symptoms are rarely obvious: latency spikes appear intermittently, memory climbs without [...]

PostgreSQL 18 Performance Configuration Matrix: New Parameters and MinervaDB Tuning Recommendations

The release of PostgreSQL 18 introduces one of the most consequential rounds of configuration changes the project has shipped in years. For database engineers and site reliability teams, understanding PostgreSQL 18 performance tuning is no [...]

Partitioned Table Statistics in PostgreSQL: How ANALYZE Fixed a Slow Query

Partitioned table statistics are one of the most misunderstood corners of PostgreSQL performance tuning, and getting partitioned table statistics right is often the fastest win available to a DBA. A partitioned table can look perfectly [...]

How to Do UPDATE … LIMIT in PostgreSQL (With Standard SQL Alternatives)

If you have ever migrated a workload from MySQL to PostgreSQL, you have probably hit a wall the first time you tried to run a statement like UPDATE mytable SET status = 'done' LIMIT 100;. [...]

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