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Shahriyar Rzayev
Shako from Azerbaijan/Baku. My hobby is cooking kebap. Bug lover by design.

autoxtrabackup v1.5.0: A Tool for Automatic Backups

There is a new version of the autoxtrabackup tool. In this post, I’ll provide some of the highlights available this time around. autoxtrabackup is a tool created by PerconLabs. We’ve now put out the 1.5.0 version, and you can test it further. Note: PerconaLabs and Percona-QA are open source GitHub repositories for unofficial scripts and […]

Avoiding the “An optimized (without redo logging) DDL operation has been performed” Error with Percona XtraBackup

This blog discusses newly added options for Percona XtraBackup 2.4.8 and how they can impact your database backups. To avoid issues with MySQL 5.7 skipping the redo log for DDL, Percona XtraBackup has implemented three new options ( xtrabackup --lock-ddl, xtrabackup --lock-ddl-timeout, xtrabackup --lock-ddl-per-table) that can be used to place MDL locks on tables while they are copied. So […]

Improving TokuDB Hot Backup Usage with the autotokubackup Command Line Tool

In this blog post, we’ll look at how the command line tool autotokubackup can make TokuDB hot backups easier. I would like to share an experimental tool named autotokubackup, for TokuBackup. This tool is aimed at helping simplify the life of TokuDB system administrators. autotokubackup is written in the Python language. General information: If you need more information […]

Thoughts About Column Compression, with Optional Predefined Dictionary

This blog discusses column compression with an optional predefined dictionary. Compression, more compression with different algorithms, compress again, compress multiple times! 🙂 Compression is a hot topic in our lives. In general, testing new things is great if the processes are well-described and easy to follow. Let’s try to think like a QA engineer: the first […]

2016 MySQL User Group Leaders Summit

In this post, I’ll share my experience attending the annual MySQL User Group Leaders Summit in Bucharest, Romania. The MySQL User Group Leaders Summit gathers together as many of the global MySQL user group leaders as possible. At the summit, we discuss further actions on how we can better act for their local communities. This […]