Tag - insight for developers

Uncommon Sense MySQL – When EXPLAIN Can Trash Your Database

When EXPLAIN Can Trash Your Database

If I ask you if running EXPLAIN on the query can change your database, you will probably tell me NO; it is common sense. EXPLAIN should show us how the query is executed, not execute the query, hence it can’t change any data.
Unfortunately, this is the case where common sense does not apply to […]

Read more

OpenEBS for the Management of Kubernetes Storage Volumes

OpenEBS for the Management of Kubernetes Storage Volumes

I recently wrote about OpenEBS in regard to local volumes in my post Deploying Percona Kubernetes Operators with OpenEBS Local Storage. And there are also my recent blog posts about Kubernetes, Percona Operators, and storage management problems:

Using Volume Snapshot/Clone in Kubernetes
ChaosMesh to Create Chaos in Kubernetes

For me, working with my own deployment of Kubernetes, […]

Read more

Various Backup Compression Methods Using Mysqlpump

Backup Compression Methods Using Mysqlpump

Mysqlpump is a client program that was released with MySQL 5.7.8 and is used to perform logical backups in a better way. Mysqlpump supports parallelism and it has the capability of creating compressed output. Pablo already wrote a blog about this utility (The mysqlpump Utility), and in this blog, I am going to explore […]

Read more

ChaosMesh to Create Chaos in Kubernetes

ChaosMesh to Create Chaos in Kubernetes

In my talk on Percona Live (download the presentation), I spoke about how we can use Percona Kubernetes Operators to deploy our own Database-as-Service, based on fully OpenSource components and independent from any particular cloud provider.
Today I want to mention an important tool that I use to test our Operators: ChaosMesh, which actually is […]

Read more

Percona Monthly Bug Report: October 2020

Percona Monthly Bug Report October 2020

At Percona, we operate on the premise that full-transparency makes a product better. We strive to build the best open-source database products, but also to help you manage any issues that arise in any of the databases that we support. And, in true open-source form, report back on any issues or bugs you might […]

Read more