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Databases / General

Learning MySQL – What you will find when you read it

Recently, I and my colleague Sergey Kuzmichev published a book about Learning MySQL. So, what people will find in case they are considering using the book? The book has 16 …

Databases / MongoDB

Percona MongoDB incremental backup and PITR feature

Percona released Percona Backup MongoDB version 1.3.1 and it brings a feature that was hugely expected by the community. It’s the ability to perform consistent incremental backups. This allows us …

Databases / Hot Topics / MongoDB

The 5th dimension of MongoDB: Adjusting Eviction Threads

In certain situations, MongoDB can’t keep up with the dirty cache flushing. For these cases where the pressure on the cache is high, it might be necessary to adjust the …

Databases / MySQL

Melhorando a performance da replicação do MySQL

Este post é o meu primeiro após o blog ter um novo design! Yayyy! Espero que vocês gostem e lembre-se: o feedback é sempre bem-vindo! Uma das perguntas mais comuns …

Databases / Hot Topics / MySQL

Boosting MySQL Replication

This post is my first one after the blog got a new design! Yayyy! I hope you guys enjoy it and remember: feedback is always welcome! One of the most …

Databases / General / Hot Topics / MySQL

Stop Fake News! The most common fake news about MySQL (contains bad language)

Since I have been working with MySQL, I saw a lot of comments about the MySQL ecosystem, which, if they are not made in a bad intention to sell commercial …

Databases / Hot Topics / MySQL

Toss a coin to your DBA: Estimate MySQL Redo Log Size

Having a right REDO log size is fundamental for MySQL to run smoothly without struggling. An undersized REDO can even lead to errors in operations! For example, this week, a …

Databases / Linux / MySQL

Top 7 Linux Optimizations For MySQL

That’s all. Like a cake recipe. The DBA and sysadmin dream. You don’t think, you can just apply. Here are the 7 crushing tips for basic OS tunning: Swappiness The …

Databases / MySQL

Monitor MySQL Memory Usage – Part 2 (Valgrind)

So, today, continuing with memory analysis I will present the Valgrind tool. Valgrind programming tool provides information for memory debugging, memory leak detection, and profiling. It is useful for cases …

Databases / MongoDB

Upgrade MongoDB/PSMDB Standalone 3.4 to 3.6

In this blog post, I will share the necessary steps for a smooth upgrade from MongoDB (or Percona Server MongoDB) standalone version 3.4 to 3.6. I have plans to publish …

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Hot Topics

  • The 5th dimension of MongoDB: Adjusting Eviction Threads
    The 5th dimension of MongoDB: Adjusting Eviction Threads
  • Boosting MySQL Replication
    Boosting MySQL Replication
  • Create a XFS filesystem using LVM
    Create a XFS filesystem using LVM
  • Stop Fake News! The most common fake news about MySQL (contains bad language)
    Stop Fake News! The most common fake news about MySQL (contains bad language)
  • Toss a coin to your DBA: Estimate MySQL Redo Log Size
    Toss a coin to your DBA: Estimate MySQL Redo Log Size

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