Monthly Archives - January 2018

Updating/Deleting Rows From Clickhouse (Part 2)

ClickHouse

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 […]

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

Percona Monitoring and Management

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).
Register Now

Tags: Percona Monitoring and Management, PMM, Monitoring, MySQL, Performance, Optimization, DBA, SysAdmin, DevOps
Experience Level: Expert
Optimizing MySQL performance and […]

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ProxySQL Firewalling

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 […]

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

Percona Live 2018 Keynotes

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.
Conference breakout sessions will feature a range […]

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

Percona Monitoring and Management

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 compare […]

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

Colin Charles

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. Jaime Crespo also writes about how it affects MariaDB Server 10.1.30 – Finding […]

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Insert Random Data into Tables Using mysql_random_data_load

Insert Random Data into Tables

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 […]

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Updating/Deleting Rows with ClickHouse (Part 1)

ClickHouse

In this post, we’ll look at updating and deleting rows with ClickHouse. It’s the first of two parts.
Update: Part 2 of this post is here.
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 […]

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

MySQL 8.0 innodb_dedicated_server

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? This session […]

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