Author : Shenbaga Varna S
Mysql
Slow MySQL queries can cost you customers. This guide explains why performance degrades under scale and how to fix it before it impacts your business. We cover warning signs, root causes, and Mafiree's expert tuning services.
Author : Abishek S
Mongodb
Build semantic search on MongoDB Atlas without paying for an embedding API. This tutorial shows two free routes: automatic embeddings with Voyage AI models (autoEmbed), where Atlas creates the vectors for you, and open-source sentence-transformers embeddings that you generate yourself. You will load sample data, create a vector index, query with $vectorSearch, add filters, and learn how to troubleshoot common problems, with an optional section for OpenAI embeddings.
Author : Shenbaga Varna S
Mysql
A MySQL version upgrade moves a database from an older release to a newer version while maintaining application compatibility and data integrity. Key reasons to upgrade include security, performance, compliance, and access to newer features. Major upgrade risks include compatibility issues, data integrity problems, downtime, and application failures. A successful upgrade requires planning, compatibility testing, backups, migration, validation, and a rollback plan. Zero-downtime approaches can use replication, load balancing, MySQL Router, or ProxySQL depending on the architecture.
Author : Shenbaga Varna S
Mysql
A MySQL disk I/O bottleneck occurs when the storage subsystem cannot keep up with the database’s read and write workload. Common signs include high I/O wait times, increased query latency, and high disk utilization. Performance Schema, iostat, and pt-ioprofile can help identify the source of I/O pressure. Common optimization approaches include increasing the InnoDB buffer pool, improving storage configuration, and reducing unnecessary disk reads through query and index optimization.
Author : Jethish
Postgresql
PostgreSQL 19 introduces effective_wal_level, allowing logical decoding to be enabled dynamically when required, without changing wal_level or restarting the PostgreSQL server.
Author : Shenbaga Varna S
Mongodb
Not every MongoDB project needs a consultant—but complex workloads often do. This guide covers five MongoDB use cases where expert support can make the difference: schema design, large-scale migration, performance optimization, high availability and disaster recovery, and security and compliance.
Author : Jethish
Postgresql
Learn how to choose the right PostgreSQL index for better query performance. This guide explains B-Tree, GIN, and BRIN indexes, their ideal use cases, performance characteristics, and key indexing best practices to help optimize PostgreSQL databases efficiently.
Author : Shenbaga Varna S
Mysql
Slow MySQL incident resolution is often a symptom of a weak support model—not just a technical problem. Learn how to identify gaps in escalation, monitoring, automation, DBA expertise, and post-incident reviews before they lead to recurring downtime.
Author : Jethish
Postgresql
Understand how PostgreSQL streaming replication works, deploy a primary server and replica node, implement failover for high availability, and optimize your replication setup with Mafiree's expert DBA services. Ensuring high availability and data protection in PostgreSQL environments is critical for modern applications. One of the most effective ways to achieve this is through PostgreSQL replication setup, particularly using streaming replication with failover capabilities. This guide walks you through configuring a robust PostgreSQL replication system, covering everything from basic setup to handling failover scenarios.
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