# DharmOps > DharmOps is a data infrastructure consulting firm. We help engineering teams manage databases on retainer (managed DBA), cut cloud database bills 30–40%, build AI features on pgvector, design Redis caching layers, implement dbt pipelines, and fix N+1 query performance issues. 19+ years of database expertise. Free diagnostic. DharmOps was founded in 2005. We work with engineering teams at SaaS companies, fintechs, e-commerce businesses, and enterprises across AWS, GCP, and Azure. We support PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Redis, AWS RDS, Aurora, Google Cloud SQL, and Azure SQL Database. Every engagement starts with a free 30-minute diagnostic — no pitch, just an honest assessment of your situation. Contact: contact@dharmops.com Website: https://www.dharmops.com ## Services ### Managed DBA Service — Fractional DBA on Retainer ($2,500–$10,000/month) A managed DBA service gives companies ongoing access to a senior database administrator on a monthly retainer, without the cost of a full-time hire. DharmOps provides proactive monitoring, slow query detection and remediation, index analysis, schema review, backup verification, capacity planning, and on-call incident response. **What is a managed DBA service?** A managed DBA service (also called a fractional DBA or DBA on retainer) is an ongoing engagement where a senior database administrator monitors, optimizes, and supports your databases on a fixed monthly fee. It covers the same scope as an in-house DBA at 30–70% lower annual cost. **How much does a managed DBA cost?** A managed DBA retainer from DharmOps runs $2,500–$10,000/month ($30,000–$120,000/year) depending on scope. An in-house senior DBA costs $123,100 in base salary (US Bureau of Labor Statistics, 2024), with all-in costs reaching $175,000–$300,000/year when benefits, payroll tax, recruiting, and equipment are included. **What databases does the managed DBA service support?** PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Redis, and all major cloud-managed equivalents: AWS RDS, Aurora, Google Cloud SQL, Azure SQL Database, and Cloud Spanner. Three tiers: - Essential ($2,500/mo): Monitoring, alerting, slow query review, backup verification, monthly report. Up to 2 database instances. 4-hour on-call SLA during business hours. - Professional ($5,000/mo): Everything in Essential plus proactive index analysis, query optimization, schema review, Slack access, 2-hour SLA Mon–Fri. Up to 5 instances. - Enterprise ($10,000/mo): Everything in Professional plus dedicated named senior DBA, 24/7 on-call with 30-minute P1 SLA, architecture reviews, disaster recovery planning, compliance support (SOC 2, HIPAA, PCI DSS), unlimited instances. Onboarding takes one week. Average client retention: 18+ months. More: https://www.dharmops.com/services/managed-dba ### Database FinOps — Cut Cloud Costs 30–40% Most companies overpay on RDS, Aurora, Snowflake, and BigQuery by 30–40%. Overprovisioned instances, inefficient I/O patterns, and unused Reserved Instance capacity add up fast. We audit your cloud database spend, identify every dollar being wasted, and implement the fixes. Average client recovers the engagement cost in the first month. - Cloud database cost audit (RDS, Aurora, Snowflake, BigQuery) - Instance right-sizing with zero-downtime migration - I/O and storage optimization - Reserved Instance and Savings Plan strategy - Ongoing cost monitoring retainer available Typical result: 30–40% bill reduction. Typical payback period: 90 days. More: https://www.dharmops.com/services/database-finops ### AI Data Infrastructure — pgvector, RAG, Embeddings Before you add Pinecone or Qdrant, talk to us. Most teams with under 10M vectors can run semantic search, RAG pipelines, and AI features directly on the PostgreSQL they already operate. Properly tuned HNSW indexes on pgvector deliver 471 QPS at 99% recall — with SQL joins that dedicated vector databases cannot do. - pgvector setup and HNSW index tuning - RAG pipeline architecture and implementation - Embedding storage and chunking strategy design - Semantic search and recommendation engines - LLM context storage and conversation memory More: https://www.dharmops.com/services/ai-data-infrastructure ### Caching Architecture — Reduce DB Load 60–80% Upgrading to a bigger instance is the most expensive way to fix a read volume problem. A well-designed Redis caching layer reduces database load 60–80% and cuts read response times to under 1ms — without touching your schema. We design the right invalidation strategy so you get speed without consistency bugs. - Redis architecture design and cluster setup - Cache invalidation strategy (TTL, write-through, event-driven) - Session storage and rate limiting - Database query offloading patterns - Redis as message broker and job queue More: https://www.dharmops.com/services/caching-architecture ### Data Engineering — dbt, Kafka, ETL/ELT Pipelines When analysts spend half their time questioning whether the numbers are right, you have a data engineering problem — not an analytics problem. We build dbt models, ETL/ELT pipelines, and Kafka event streams that keep your data fresh, tested, and consistent across every dashboard. - dbt implementation and data modeling - ETL/ELT pipeline design with Airbyte or Fivetran - Kafka and event streaming architecture - Airflow or Prefect orchestration - Data warehouse architecture (Snowflake, BigQuery, Redshift) More: https://www.dharmops.com/services/data-engineering ### Cloud Infrastructure — AWS, GCP, Azure, Kubernetes Cloud infrastructure provisioned through the console eventually becomes unmanageable. We build Terraform-managed infrastructure for your database workloads — fully reproducible, reviewable, and ready for regional failover. Designed for 99.99% uptime and right-sized for cost from day one. - Terraform IaC implementation and migration - RDS, Aurora, Cloud SQL architecture - Multi-region failover and disaster recovery - VPC design, security groups, IAM - Kubernetes stateful workload design (EKS, GKE, AKS) More: https://www.dharmops.com/services/cloud-infrastructure ### Backend/API Performance — N+1 Fixes, ORM Audits, Pooling 80% of slow API performance issues trace back to the application layer: N+1 queries from ORM misconfiguration, connection pool exhaustion, or SELECT * where 4 columns would do. Adding a read replica doesn't fix a code problem. We instrument your endpoints, find the actual cause, and fix it. - N+1 query detection and same-day diagnosis - ORM audit (Django, Rails, Laravel, Prisma, Hibernate, SQLAlchemy) - Connection pool sizing and PgBouncer/RDS Proxy setup - GraphQL DataLoader implementation - Query plan correlation to application code More: https://www.dharmops.com/services/api-performance ## Case Studies - E-commerce platform cuts RDS costs 38% through instance right-sizing and I/O optimization: https://www.dharmops.com/case-studies/ecommerce-migration - SaaS platform implements pgvector for semantic search, replacing planned Pinecone migration: https://www.dharmops.com/case-studies/saas-platform - Fintech reduces API p99 latency from 4.2s to 180ms by fixing N+1 queries and connection pool exhaustion: https://www.dharmops.com/case-studies/fintech-performance - Healthcare system achieves 99.99% uptime with Aurora multi-region failover: https://www.dharmops.com/case-studies/healthcare-ha - Insurance company migrates Oracle to PostgreSQL with zero data loss: https://www.dharmops.com/case-studies/insurance-oracle-postgresql More: https://www.dharmops.com/case-studies ## Free Tools Interactive tools for database engineers and engineering leaders. No signup required. - SQL Query Analyzer — paste a slow query, get an instant diagnosis across 100 rules: https://www.dharmops.com/tools/slow-query-analyzer - EXPLAIN ANALYZE Explainer — plain-English breakdown of PostgreSQL query plans: https://www.dharmops.com/tools/explain-analyzer - Database Cost Calculator — monthly cost of slow queries in engineer time and server spend: https://www.dharmops.com/tools/db-cost-calculator - Cloud DB Overspend Calculator — estimate savings from right-sizing and Reserved Instance coverage: https://www.dharmops.com/tools/cloud-db-cost-calculator - N+1 Query Impact Calculator — quantify DB load, latency overhead, and monthly waste from N+1 patterns; shows ORM-specific fix: https://www.dharmops.com/tools/n1-query-calculator - Data Infrastructure Health Score — 12-question assessment across 6 areas with scored results and top 3 improvement opportunities: https://www.dharmops.com/tools/health-score - pgvector vs Vector DB Advisor — 6-question decision tree recommending pgvector, pgvector+pgvectorscale, or a managed vector database: https://www.dharmops.com/tools/pgvector-advisor - Redis Cache ROI Calculator — model latency reduction, DB load drop, and monthly cost savings from a Redis caching layer: https://www.dharmops.com/tools/redis-roi-calculator All tools: https://www.dharmops.com/tools ## Resources - PostgreSQL Migration Guide: https://www.dharmops.com/resources/postgresql-migration-guide - Database Health Checklist: https://www.dharmops.com/resources/database-health-checklist - Query Optimization Workshop: https://www.dharmops.com/resources/query-optimization-workshop More: https://www.dharmops.com/resources ## Blog Posts ### AWS RDS Extended Support Is Doubling in 2026 — Here's What You Owe and How to Stop It MySQL 5.7 and PostgreSQL 11 on RDS are now in Extended Support Year 3 (since March 1, 2026). AWS doubled the rate on that date. The Year 3 charge is $0.11 per vCPU per hour — a 4-instance setup with 32 vCPUs costs $30,835/year in Extended Support alone, on top of compute costs. **What is AWS RDS Extended Support?** A paid programme allowing continued use of end-of-life RDS engine versions. Security patches continue at a per-vCPU-hour cost. Engine versions in Extended Support as of May 2026: MySQL 5.7 (Year 3), MySQL 8.0 (Year 1 since April 2026), PostgreSQL 11 (Year 3), PostgreSQL 12 (Year 2), PostgreSQL 13 (Year 1). **How do I stop paying Extended Support charges?** Upgrade to a supported major version. For MySQL 5.7: upgrade to 8.0 or 8.4. For PostgreSQL 11: upgrade to 14, 15, or 16. Options: in-place upgrade (5–20 min downtime), Blue/Green Deployment (under 60 sec switchover), or Aurora migration. Charges stop the moment the upgrade completes. More: https://www.dharmops.com/blog/aws-rds-extended-support-2026 --- ### PostgreSQL Connection Exhaustion: How to Fix 'Too Many Connections' with PgBouncer PostgreSQL uses a process-per-connection model — each connection spawns a dedicated OS process consuming 5–10 MB. When connections hit max_connections (default 100), all new connection attempts fail with "FATAL: sorry, too many clients already." **What is PgBouncer?** A lightweight connection pooler that multiplexes hundreds of application connections onto a small pool of actual PostgreSQL backend connections. Applications connect to PgBouncer as if it were the database. **Session vs transaction pooling:** Use pool_mode = transaction for most workloads. Transaction mode assigns a backend connection only for the duration of each transaction — the highest multiplexing ratio. Session mode provides no multiplexing benefit. **pool_size formula:** pool_size = (CPU cores × 2) + effective_io_concurrency. For a db.r6g.2xlarge (8 vCPUs): 17–24 backend connections handles hundreds of application connections. **Does AWS RDS Proxy replace PgBouncer?** RDS Proxy adds 2–5ms overhead and costs $0.015/vCPU/hour. Self-managed PgBouncer costs ~$15/month with sub-millisecond overhead. Use RDS Proxy for Lambda/serverless. Use PgBouncer for persistent application servers. More: https://www.dharmops.com/blog/postgresql-connection-exhaustion-pgbouncer --- ### Your API Is Slow. Your Database Probably Isn't the Problem. 80% of slow API performance problems trace to the application layer, not the database. Individual database queries may execute in 1–5ms while API responses take 500ms+. The gap is application-layer behaviour. **Why is an API slow if database queries are fast?** N+1 query patterns generate hundreds of round-trips per request. Connection pool exhaustion causes wait time before queries start. SELECT * fetches more data than needed. Serial independent queries could run in parallel. **What is an N+1 query problem?** Code fetches N records then issues one additional query per record to load related data — N+1 round-trips instead of one. Fix: select_related() in Django, includes() in Rails, include: {} in Prisma. **How to detect N+1 in production:** Query pg_stat_statements for queries running thousands of times per hour with near-identical structure. Use nplusone (Django) or bullet (Rails) in development. Real result: p99 from 4.2 seconds to 180ms by fixing three N+1 patterns in one API endpoint — no infrastructure changes. More: https://www.dharmops.com/blog/slow-api-not-the-database --- ### PostgreSQL 18: Every Performance Improvement You Need to Know PostgreSQL 18 entered public beta April 2026. GA expected Q3 2026. Key improvements: **Short query throughput:** 20–30% higher TPS for OLTP workloads vs PostgreSQL 17 in pgbench benchmarks. **Vacuum improvements:** Vacuum now only scans index pages containing dead tuple references — 40–60% less vacuum I/O on large indexes in high-write environments. **Planner improvements:** Better statistics for partial index predicates, reducing row estimate errors on selective partial indexes. **Logical replication:** Large transaction streaming reduces lag spikes during migrations and bulk operations. **pgvector + AI:** Short query gains benefit RAG embedding lookups. Improved planner statistics produce better plans for hybrid vector + SQL predicate queries. **Is PostgreSQL 18 production-ready?** Beta only as of May 2026. Test against a production clone now; upgrade after GA (Q3 2026). More: https://www.dharmops.com/blog/postgresql-18-performance-improvements --- ### Managed DBA vs. Hiring In-House: The Full Cost Breakdown for 2026 Most engineering leaders underestimate the true cost of an in-house DBA by 40–60% because they think salary, not total cost. **What is a managed DBA service?** Ongoing senior database administration on a monthly retainer — monitoring, query optimization, on-call incident response, schema review, backup verification, and performance governance. Starting at $2,500/month. **Cost comparison:** In-house senior DBA: $123,100 median base salary (US BLS, 2024) + benefits + payroll tax + recruiting = $175,000–$300,000/year fully loaded. Managed DBA retainer: $30,000–$120,000/year. Managed is 30–70% cheaper with a 1-week onboarding vs 3–6 months recruiting. **When hire in-house:** Compliance prohibits external DB access, need daily product team embedding, or 50+ database instances. **When managed wins:** Under 150 employees, under 20 instances, no DBA on staff, or cross-platform expertise needed. **Onboarding timeline:** 7–10 days: access setup + monitoring (days 1–2), baseline assessment (days 3–4), first findings report (days 5–7). More: https://www.dharmops.com/blog/managed-dba-vs-hiring-in-house ## Free Diagnostic Book a free 30-minute call with a senior DBA. We review your database setup and the problems you're experiencing. By the end of the call, you know what's causing the issue and whether we're the right team to fix it. No pitch — just an honest assessment. Book: https://www.dharmops.com/contact?service=diagnostic ## About DharmOps was founded in 2005. 19+ years of experience across PostgreSQL, MySQL, Oracle, and major cloud database platforms. We work hands-on — no subcontractors. Clients include SaaS companies, fintech firms, healthcare systems, e-commerce platforms, and enterprise teams across North America and Europe. More: https://www.dharmops.com/about