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Valeriy Kravchuk
Works at Percona
Attended Moscow State University
Lived in Kyiv
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Valeriy Kravchuk

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Fun with Bugs #43 - Bugs Fixed in MySQL 5.7.13
For some reason I do not see numerous public announcements about recent MySQL 5.7.13 release , even though it happened a couple of days ago formally. Maybe that's because we do not have any really "big" new features in this release (new ->> operator for int...
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Valeriy Kravchuk

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Building MaxScale 1.4.2 form GitHub on Fedora 23
MariaDB MaxScale is mentioned in many blog posts recently. It's Application of the Year 2016 after all! I'd like to test it, follow posts like this etc, all that on my favorite and readily available testing platforms that are now Ubuntu of all kinds and, su...
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Valeriy Kravchuk

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Exploring Metadata Locks with gdb - Studying Simple Case on Percona Server 5.7
I had forgotten the topic of studying metadata locks with gdb for quite a some time. Now that I've upgraded to Percona Server 5.7 and enjoy the remaining of my last free day as an independent MySQL Support Engineer doing nothing but some blogging, I think i...
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Valeriy Kravchuk

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On Upgrades to Percona Server 5.7 GA: Building from Git Source on Fedora
While writing my first post in this series I was bulding Percona Server 5.7 from Git sources on my wife's Fedora Core 23 box based on this manual page , for my collection of test instances . As I build MySQL and related software from sources on different pl...
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Valeriy Kravchuk

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MySQL Support People - Directors, Managers and Coordinators
This post is devoted to my colleagues whose contribution to MySQL Support was really important, but mostly non-technical, that is, pure Directors, Managers and Coordinators, who hardly ever reported any bug in MySQL in public and had to step into the techni...
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My First Steps in Exploring RocksDB
RocksDB and storage engine for MySQL based on it (so called "MyRocks" ) is widely discussed in my circles since August 2015 at least, so I decided to spend some time checking it. The easy way to get it running is to use Facebook's MySQL 5.6 , so I just clon...
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Valeriy Kravchuk

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Fun with Bugs #42 - Bugs Fixed in MySQL 5.7.12
MySQL 5.7.12 was released more than 2 weeks ago. New features introduced there in a form of "rapid plugins" are widely discussed, but I am more interested in bugs reported by MySQL Community users that are fixed there. Unfortunately I do not see MySQL Commu...
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Valeriy Kravchuk

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Building MariaDB 10.1.x and Galera from Source for Multiple Node Cluster Testing Setup
My Facebook followers probably noted that I quit from Percona some time ago and work for MariaDB since March 1, 2016. I changed the company, but neither the job role (I am still a Support Engineer), nor the approach to do my job. I still prefer to test ever...
My Facebook followers probably noted that I quit from Percona some time ago and work for MariaDB since March 1, 2016. I changed the company, but neither the job role (I am still a Support Engineer), nor the approach to do my ...
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Valeriy Kravchuk

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On Upgrades to Percona Server 5.7 GA: Ubuntu 14.04 Case
After upgrading Percona Server 5.6.28 (and "full stack" of Percona software) to 5.7.10-3 GA on CentOS 6 and building it from Git Source on Fedora Core 23 yesterday, I've decided to spend some time upgrading Percona Server on my netbook that plays a role of ...
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Valeriy Kravchuk

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On Upgrades to Percona Server 5.7 GA: CentOS 6 Case
As you probably noted, Percona had finally released Percona Server 5.7 GA two days ago. I had not paid much attention to this branch during last month or so, but as it's GA now I decided to check what's there , how it works and install/upgrade different box...
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Valeriy Kravchuk

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MySQL Support People - Those Who Joined Oracle to Work on MySQL
In this post I'd like to mention my colleagues from MySQL Support who had joined the team when Oracle already acquired Sun (and MySQL as a part of it), in 2010-2012. There were several really great engineers among them: Jesper Krogh - with his 31 public bug...
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Valeriy Kravchuk

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Fun with Bugs #41 - Bugs Fixed in MySQL 5.7.11
I've just noted that Oracle had released new versions of MySQL on February 5, 2016 formally, so while these days I am mostly thinking about the ways to do support properly, remembering my colleagues and trying to understand some of RocksDB internals, it's t...
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People
Work
Employment
  • Percona
    Principal Support Engineer, 2012 - present
  • Oracle Corporation
    MySQL Support Engineer, 2010 - 2012
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Previously
Kyiv
Story
Tagline
I solve problems
Education
  • Moscow State University
    Applied Mathematics, 1987 - 1992
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Gender
Male