Blog Profile / MySQL Performance Blog


URL :http://www.mysqlperformanceblog.com
Filed Under:Programming / Database Development
Posts on Regator:2357
Posts / Week:4.7
Archived Since:June 30, 2008

Blog Post Archive

Updating/Deleting Rows From Clickhouse (Part 2)

In this post, we’ll look at updating and deleting rows with ClickHouse. It’s the second of two parts. In the first part of this post, we described the high-level overview of implementing incremental refresh on a ClickHouse table as an alternative support for UPDATE/DELETE. In this part, we will show you the actual steps and […]

Webinar January 18, 2018: MySQL Troubleshooting and Performance Optimization with Percona Monitoring and Management (PMM) Part 2

Join Percona’s Product Manager Michael Coburn as he presents MySQL Troubleshooting and Performance Optimization with Percona Monitoring and Management (PMM) Part 2 on Thursday, January 18, 2018, at 11:00 am PST / 2:00 pm EST (UTC-8)....Show More Summary

ProxySQL Firewalling

In this blog post, we’ll look at ProxySQL firewalling (how to use ProxySQL as a firewall). Not long ago we had an internal discussion about security, and how to enforce a stricter set of rules to prevent malicious acts and block other undesired queries. ProxySQL came up as a possible tool that could help us in achieving […]

Sneak Peek of the Percona Live 2018 Open Source Database Conference Breakout Sessions!

Take a look at the sneak peek of the breakout sessions for the Percona Live 2018 Open Source Database Conference, taking place April 23-25, 2018 at the Santa Clara Convention Center in Santa Clara, California. Early Bird registration discounts are available until February 4, 2018, and sponsorship opportunities are still available. Show More Summary

Compare Current and Past Time Series Graphs in Percona Monitoring and Management (PMM)

In this short blog post, I will show you how you can compare current and past time series in Percona Monitoring and Management (PMM). Recently, a support customer shared a graph with us that compared query throughput between today and yesterday as a confirmation that optimizing their server variables improved performance. Do you want to […]

This Week in Data with Colin Charles 23: CPU security continues to draw attention

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community. Much is still being talked about the Meltdown/Spectre CPU security vulnerabilities. There’s an interesting Twitter thread showing performance impact on Kafka brokers. Show More Summary

Insert Random Data into Tables Using mysql_random_data_load

In this short blogpost, we’ll show you how to use the mysql_random_data_load tool to insert random data into tables. This is a great aide in testing when you have empty tables and need them to be populated with data. We’ve all done it manually (the INSERT INTO … VALUES … way), but that is surely a […]

Why You Should Avoid Using “CREATE TABLE AS SELECT” Statement

In this blog post, I’ll provide an explanation why you should avoid using the CREATE TABLE AS SELECT statement. The SQL statement “create table as select …” is used to create a normal or temporary table and materialize the result of the select. Some applications use this construct to create a copy of the table. […]

Updating/Deleting Rows with ClickHouse (Part 1)

In this post, we’ll look at updating and deleting rows with ClickHouse. It’s the first of two parts. ClickHouse is fast – blazing fast! It’s quite easy to pick up, and with ProxySQL integrating with existing applications already using MySQL, it’s way less complex than using other analytics options. However, ClickHouse does not support UPDATE/DELETE […]

Webinar Wednesday, January 10, 2018: Why We’re Excited About MySQL 8.0

Join Percona’s, CEO and Co-Founder, Peter Zaitsev as he presents Why We’re Excited About MySQL 8.0 on Wednesday, January 10, 2018, at 11:00 am PST / 2:00 pm EST (UTC-8). Experience: Basic Tags: Developer, DBAs, Operations, Executive, MySQL There are many great new features in MySQL 8.0, but how exactly can they help your applications? […]

Using ioping to Evaluate Storage Performance for MySQL Workloads

In this blog post, we’ll look at how ioping can be used with other tools to understand and troubleshoot storage performance, specifically as it relates to MySQL workloads. I recently ran into ioping, a nice little utility by Konstantin Khlebnikov that checks storage latency.   For me, the main beauty of ioping is its simplicity […]

Percona Server for MySQL 5.7.20-19 Is Now Available

Percona announces the GA release of Percona Server for MySQL 5.7.20-19 on January 3, 2018. Download the latest version from the Percona web site or the Percona Software Repositories. You can also run Docker containers from the images in the Docker Hub repository. Based on MySQL 5.7.20, including all the bug fixes in it, Percona Server for MySQL […]

InnoDB Performance Optimization: Webinar Q & A

Thank you for attending my webinar on Wednesday, December 20, 2017, InnoDB Performance Optimization. In this blog, I will provide answers to the Q & A for the webinar. Are the T2 CPUs similar to the M4 series? I would expect them to be similar. Amazon does not disclose what specific version of CPUs they […]

This Week in Data with Colin Charles 22: CPU vulnerabilities and looking forward to 2018

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community. Happy New Year. Here’s to 2018 being a great year in the open source database world. What is in store for us? Probably: MySQL 8.0 and MariaDB Server 10.3 as generally available. What will we […]

Meltdown and Spectre: CPU Security Vulnerabilities

In this blog post, we examine the recent revelations about CPU security vulnerabilities. The beginning of the new year also brings to light fresh and new CPU security vulnerabilities. Today’s big offenders originate on the hardware side – more specifically, the CPU. The reported hardware kernel bugs allow for direct access to data held in the […]

Percona Toolkit 3.0.6 Is Now Available

Percona announces the release of Percona Toolkit 3.0.6 on January 4, 2018. Percona Toolkit is a collection of advanced command-line tools that perform a variety of MySQL and MongoDB server and system tasks too difficult or complex for DBAs to perform manually. Percona Toolkit, like all Percona software, is free and open source. You download packages from the website or […]

Case in Point: A Year of Customer Experience with Percona

In 2017 we have welcomed many new customers into the Percona fold. It’s always interesting to find out what challenges the Percona team helped them to address and how they chose their relationship with Percona. As unbiased champions of open source database software, our consultancy, support and managed services staff apply their expertise across a […]

Generated Columns and ProxySQL Instead of Referenced Tables

In this post, we’ll look at how to improve queries using generated columns and ProxySQL instead of implementing a referenced table. Developers and architects don’t always have the time or complete information to properly analyze and design a database. That is why we see tables with more fields than needed, or with incorrect types. The […]

Percona Database Performance Blog Year in Review: Top Blog Posts

Let’s look at some of the most popular Percona Database Performance Blog posts in 2017. The closing of a year lends itself to looking back. And making lists. With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple […]

This Week in Data with Colin Charles 21: Looking Back on 2017 in the Open Source Database Community

Join Percona Chief Evangelist Colin Charles as he covers happenings, gives pointers and provides musings on the open source database community. The end of the year is upon us, and this column is being penned a little earlier than usual as I enjoy a quick bout of wrapping up for the year. We’ve had a lot […]

Copyright © 2015 Regator, LLC