Insight for DBAs

Migrating from DynamoDB into MongoDB

migrating from DynamoDB to MongoDB

Say you need to move from DynamoDB to MongoDB; what options do you have? Unfortunately, at the time of this writing, there are no available tools to do this easily.
In this post, we will explore the available options and discuss some of the potential issues and solutions.
Deciding on the Approach
A tutorial on the AWS […]

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Backup and Restore in Percona Kubernetes Operator for Percona XtraDB Cluster

Backup and Restore in Percona Kubernetes Operator for Percona XtraDB Cluster

Database backups are a fundamental requirement in almost every implementation, no matter the size of the company or the nature of the application. Taking a backup should be a simple task that can be automated to ensure it’s done consistently and on schedule. Percona has an enterprise-grade backup tool, Percona XtraBackup, that can be […]

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Failover of Logical Replication Slots in PostgreSQL

failover logical replication slots postgresql

Missing Piece: Failover of the Logical Replication Slot
Logical decoding capability has existed in PostgreSQL for the last several versions, and a lot more functionalities are added over time.  However, one of the very crucial functionalities is still missing in PostgreSQL, which prevents logical replication to be part of critical production environments where downstream expects […]

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Real-Time Replication From DynamoDB to MongoDB

Replication From DynamoDB to MongoDB

Recently I’ve been faced with an interesting challenge. How can I replicate data, in real-time, from DynamoDB to MongoDB?
Why would I need real-time replication like that? For example:

Running on MongoDB different queries relying on different indexes
Having on MongoDB more fields or converted fields (you can do it during the replication) so you can use […]

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Running Security Threat Tool In Percona Monitoring and Management For the First Time

security threat tool pmm

As we have just released the new Security Threat Tool (STT) as part of Percona Monitoring and Management (PMM) 2.6, I wanted to give you a basic overview of this new feature. Its goal is to advise PMM users on common security-related database problems they might have on their databases. 
In this blog, I’ll show you […]

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