PMM 2.1, MongoDB Hot Backups, Percona Server Updates: Release Roundup 11/18/2019

Percona Software Release Nov 18

It’s release roundup time here at Percona!
As mentioned a few weeks ago, we are now publishing release roundups comprising all the details and information you need on the previous week (or two)’s releases from Percona. This post will encompass releases from November 4, 2019 – November 18, 2019.
Each roundup will showcase the latest in […]

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Don’t Use MongoDB Profiling Level 1

MongoDB Profiling

TLDR: It is not profile level 1 that is the problem; it’s a gotcha with the optional ‘slowms’ argument that causes users to accidentally set verbose logging and fill their disk with log files.
In MongoDB, there are two ways to see, with individual detail, which operations were executed and how long they took.

Profiling. Saves […]

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Let Percona Actively Manage Your Databases To Achieve Peak Performance

Percona Managed Database Services

Data drives every aspect of your business so your databases need to deliver optimum performance and availability to keep you competitive.
A business requires 24x7x365 database coverage. Keeping your databases stable, performant, and optimized is crucial to your business success.
We understand that finding and retaining qualified DBAs to manage mission-critical database environments can be difficult […]

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Watch Out for Disk I/O Performance Issues when Running EXT4

Performance Issues When Running EXT4

Recently, at Percona Live Europe 2019, Dimitri Kravchuk from Oracle mentioned that he observed some unclear drop in performance for MySQL on an ext4 filesystem with the latest Linux kernels. I decided to check this case out on my side and found out that indeed, starting from linux kernel 4.9, there are some cases […]

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