Parallel query execution is my favorite, non-existent, feature in MySQL. In all versions of MySQL – at least at the time of writing – when you run a single query it will run in one thread, effectively utilizing one CPU core only. Multiple queries run at the same time will be using different threads and […]Read more
Percona is glad to announce the release of Percona Server for MongoDB 3.2.22-3.13 on January, 16 2019. Download the latest version from the Percona web site or the Percona Software Repositories.
Percona Server for MongoDB is an enhanced, open source, and highly-scalable database that is a fully-compatible, drop-in replacement for MongoDB 3.2 Community Edition. It supports MongoDB 3.2 protocols and drivers.
If you have set up per-process metrics in Percona Monitoring and Management, you may have found yourself in need of tuning it further to not only group processes together, but to display some of them in isolation. In this blogpost we will explore how to modify the rules for grouping processes, so that you […]Read more
Please join Percona’s Chief Technology Officer, Vadim Tkachenko, as he presents How to Rock with MyRocks on Thursday, January 17th at 10:00 AM PDT (UTC-7) / 1:00 PM EDT (UTC-4).
MyRocks is a new storage engine from Facebook and is available in Percona Server for MySQL. In what cases will you want to use […]
First of all, this post is not a recommendation but more like a “what if” story. What if we use ClickHouse (which is a columnar analytical database) as our main datastore? Well, typically, an analytical database is not a replacement for a transactional or key/value datastore. However, ClickHouse is super efficient for timeseries and […]Read more
It’s a few weeks after AWS re:Invent 2018 and my head is still spinning from all of the information released at this year’s conference. This year I was able to enjoy a few sessions focused on Aurora deep dives. In fact, I walked away from the conference realizing that my own understanding of High Availability […]Read more
Percona announces the first public release of Percona Backup for MongoDB 0.2.0-Alpha on January 10, 2019.
Percona Backup for MongoDB is a distributed, low-impact solution for consistent backups of MongoDB sharded clusters and replica sets. This is a tool for creating consistent backups across a MongoDB sharded cluster (or a single replica set), and for restoring those […]
ProxySQL 1.4.13, released by ProxySQL, is now available for download in the Percona Repository along with an updated version of Percona’s proxysql-admin tool.
ProxySQL is a high-performance proxy, currently for MySQL and its forks (like Percona Server for MySQL and MariaDB). It acts as an intermediary for client requests seeking resources from the database. René Cannaò created […]
Recently, one of our customers asked us how to minimize downtime when upgrading the database structure with changes that are not backwards-compatible. It’s an interesting question and I would like to visit some alternatives here. I will use PostgreSQL for this series of posts and walk through updatable views, INSTEAD OF Triggers, and the […]Read more
Percona announces the release of Percona Toolkit 3.0.13 for January 9, 2019.
Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL®, MongoDB® and system tasks that are too difficult or complex to perform manually. With over 1,000,000 downloads, […]