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Displaying posts with tag: performance (reset)

Upcoming Webinar Wednesday July 20, 11 am PDT: Practical MySQL Performance Optimization
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Are you looking to improve your MySQL performance? Application success is often limited by poor MySQL performance. Please join Percona CEO and Founder Peter Zaitsev for this exclusive webinar on Wednesday, July 20th, 2016 at 11:00 AM PDT (UTC – 7) as he presents “Practical MySQL Performance Optimization“.

Peter Zaitsev discusses how to get excellent MySQL performance …

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Advanced MySQL Slow Query Logging Part 2: pt-query-digest report
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Proper MySQL Query Optimization starts with a proper Slow Query Logging session. And MySQL Query Optimization is where I spend 70-80% of my time when doing MySQL performance optimization.

Here in part 2, we will go over the pt-query-digest report, that we have prepared in part 1.

The post Advanced MySQL Slow Query Logging Part 2: pt-query-digest report appeared first on Speedemy.

Advanced MySQL Slow Query Logging
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Proper MySQL Query Optimization starts with a proper Slow Query Logging session. And MySQL Query Optimization is where I spend 70-80% of my time when doing MySQL performance optimization. In this short series I will show you how to do Slow Query Logging the right way.

UPDATE: Part 2 is now available. You can find it here:

Advanced MySQL Slow Query Logging Part 2: pt-query-digest report

Stay tuned for Part 3, as well as the cheat sheet mentioned in the video.

The post …

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MySQL 5.7 By Default 1/3rd Slower Than 5.6 When Using Binary Logs
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Researching a performance issue, we came to a startling discovery:

MySQL 5.7 + binlogs is by default 37-45% slower than MySQL 5.6 + binlogs when otherwise using the default MySQL settings

Test server MySQL versions used:
i7, 8 threads, SSD, Centos 7.2.1511
mysql-5.6.30-linux-glibc2.5-x86_64
mysql-5.7.12-linux-glibc2.5-x86_64

mysqld –options:

--no-defaults --log-bin=mysql-bin --server-id=2

Run details:
Sysbench version 0.5, 4 threads, socket file connection

Sysbench Prepare: 






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Infiniflash Benchmark
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Sandisk (FusionIO) and Nexenta are working together to build this SDS solution.

Infiniflash is a very large SDS production, which manages for very large DW system who requires large storage space and also high IOPS.

We test infiniflash system ,read this Infiniflash_benchmark

Application data caching using SSDs
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The Moneta project: Next generation EVCache for better cost optimizationWith the global expansion of Netflix earlier this year came the global expansion of data. After the Active-Active project and now with the N+1 architecture, the latest personalization data needs to be everywhere at all times to serve any member from any region. Caching plays a critical role in the persistence story for member personalization as detailed …

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Introduction to Troubleshooting Performance – Troubleshooting Slow Queries webinar: Q & A
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In this blog, I will provide answers to the Q & A for the Troubleshooting Slow Queries webinar.

First, I want to thank you for attending the April 28 webinar. The recording and slides for the webinar are available here. Below is the list of your questions that I wasn’t …

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Downsizing to SSDs
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System management can be a big deal. At Etsy, we DBAs have been feeling the pain of getting spread too thin. You get a nice glibc vulnerability and have to patch and reboot hundreds of servers. There goes your plans for the week.

We decided last year to embark on a 2016 mission to get better performance, easier management and reduced power utilization through a farm reduction in server count for our user generated, sharded data.

Scoping the Problems

Taking on a massive project to replace your entire fleet of hardware is not an easy sell, especially when on the surface it seems like everything is fine. As DBAs, we experienced …

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Performance of Percona Server for MySQL on Intel Server Systems using HDD, SATA SSD, and NVMe SSD as Different Storage Mediums
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We’re moving along on the first day at Percona Live Data Performance Conference 2016, and I was able to attend a lecture from Intel’s Ken LeTourneau on Performance of Percona Server for MySQL on Intel Server Systems using HDD, SATA SSD, and NVMe SSD as Different Storage Mediums. In this talk, Ken reviewed some benchmark testing he did using MySQL on various types of storage mediums. This talk looked at the …

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TokuDB impacts InnoDB Performance?
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This blog discusses how TokuDB impacts InnoDB performance when the two run in the same environment.

You would think MySQL storage engines are fairly independent of each other, even in the same environment. Enabling one, or changing its configuration, logically should have no impact on the performance of other engines (such as InnoDB) when they are accessing tables. The reality, however, is more complicated than that!    

Now that we’ve shipped …

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Showing entries 1 to 10 of 819 10 Older Entries

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