Optimizing CPU cores and threads for Oracle on AWS

A Smarter Way to Scale: Custom CPU Options on AWS About a couple of weeks ago, AWS introduced a new option to manage ...

Oracle DBSAT Discoverer feature

Text index usage within MongoDB

Recently a client came to me asking “How do we verify if a full text search index is being used on MongoDB?” The ...

How to schedule weekdays only on Airflow

Consider the following situation: You have a data ingestion pipeline where the data comes in real-time on weekdays and ...

Oracle parallel query hints reference - part 5: PQ_DISTRIBUTE_WINDOW

Welcome to part 5 of the series.

Setting up MySQL encrypted replication on MySQL 5.7 with GTID

In this blog post, I'll walk you through setting up encrypted replication on MySQL 5.7 with GTID enabled. I will walk ...

An Oracle "oraenv" script solution for Windows with PowerShell

The idea Due to the nature of my consulting work, I mostly work in Linux environments and use bash for scripting. But ...

How to restore encrypted backups

Background SQL Server started having encrypted backups since SQL Server 2014. You can see the technical details here. ...

Log buffer #551: a carnival of the vanities for DBAs

This log buffer edition covers Cloud, Oracle and MySQL.

Database migration: how to handle large tables

In the previous blog, we presented a simple database migration approach using Apache Nifi. Following our previous blog, ...

EBS 12.2 issues seen in the wild

Recently, I was involved in an EBS upgrade project, and also in operational support of an EBS production environment. ...

Log buffer #549: a carnival of the vanities for DBAs

This log buffer edition covers Cloud, Oracle, SQL Server and MySQL.

Log buffer #548: a carnival of the vanities for DBAs

This log buffer edition covers blog posts from Cloud, Oracle and MySQL.

Getting started with Orchestrator

Orchestrator is a MySQL high availability and replication management tool. In this blog post, we will cover the first ...

How to efficiently back up and restore crontab

When a database environment is being patched, entries from crontab are commented and then removed when patching is ...

Installing Oracle 18c using command line

Introduction Just three days ago Oracle released Oracle 18c for general installation on-premises. We've had a taste of ...

Cassandra CQL cheatsheet

Context: Every now and then I find myself looking for a couple of commands I do often. In some other ...

Data modeling for cloud DW

Intro In this blog post, I would like to share some options that you can consider to model your cloud DW for better ...

HAProxy MySQL lag awareness via systemd

Background In one of the projects I have been working on, one requirement was the ability to stop traffic from reaching ...

Analyzing BigQuery via Excel and Google Sheets

Both MS Excel and Google Sheets offer ways to connect directly to BQ data, to run queries, to pull data back to ...

How to manage multiple MySQL binary installations with SYSTEMD

This blog will go into how to manage multiple MySQL binary installations with SYSTEMD using the systemctl command. With ...

Choosing best index for your MongoDB query

Introduction Indexing plays a quintessential role in database query performance and MongoDB is no exception. Choosing ...

Getting started with Oracle Database Backup Service in 2018

A few years ago I wrote an article on getting started with the Oracle Database Backup Service which can be found here. ...

HugePages for Oracle database in Oracle Cloud

I recently published a blog post about large pages support in AWS RDS for Oracle and someone asked me if and how it ...

Airflow Scheduler: the very basics

Apache Airflow is a great tool for scheduling jobs. It has a nice UI out of the box. It allows you to create a directed ...

Fixing could not start service broker for database

Introduction Blogging is something I love because it gives me a chance to share the ideas I have and the knowledge I ...

Installing SQL Server 2008 R2 on Windows 2012 cluster

Despite being an older version, some applications may require you to install a SQL Server 2008 R2 clustered instance on ...

GCP features wish list for Google Next 2018

As I've just posted about Pythian at Google Next, I thought it would be cool to share the new GCP features I'd love to ...