Emergency

Search Results for: speed up select

Speed up GROUP BY queries with subselects in MySQL

We usually try to avoid subselects because sometimes they force the use of a temporary table and limits the use of indexes. But, when is good to use a subselect? This example was tested over …

Read More
 

The MongoDB Speed-up & Slim-down Big Data Challenge

Receive 20 FREE hours of MongoDB® consulting services if TokuMX does not improve your MongoDB application performance by at least 2x and/or reduce the size of your MongoDB database by 50% or more.  Like A Finely Tuned Rally Car …

Read More
 

Read/Write Splitting with PHP Webinar Questions Followup

Today I gave a presentation on “Read/Write Splitting with PHP” for Percona Webinars.  If you missed it, you can still register to view the recording and my slides. Thanks to everyone who attended, and especially …

Read More
 

Percona Toolkit Webinar followup Q&A

First, a thank you to everyone who attended the webinar Today, I appreciate your time and nice comments. As promised, here are answers to questions that couldn’t be answered during the talk:   Q: How …

Read More
 

Full Text Search Webinar Questions Followup

I presented a webinar this week to give an overview of several Full Text Search solutions and compare their performance.  Even if you missed the webinar, you can register for it, and you’ll be emailed a link …

Read More
 

MySQL Indexing Best Practices: Webinar Questions Followup

I had a lot of questions on my MySQL Indexing: Best Practices Webinar (both recording and slides are available now) We had lots of questions. I did not have time to answer some and others …

Read More
 

Evidenzia Upgrades to TokuDB v5.2 to Address Storage Growth and Scale Performance

by:

Ensuring sufficient disk I/O to catch copyright violations at network speed. Evidenzia GmbH & Co. KG Issues addressed: Storage growth, including maxed-out disk I/O utilization Performance issues and business impact due to slow selects Inability to revise …

Read More
 

Upgrading MySQL

Upgrading MySQL Server is a very interesting task as you can approach it with so much different “depth”. For some this is 15 minutes job for others it is many month projects. Why is that …

Read More
 

Will Percona Support Drizzle ?

People are asking me if Percona will support Drizzle and what is in general our position regarding this project. First about Support. We surely will support the customers if they select to run the Drizzle …

Read More
 

Speeding up GROUP BY if you want aproximate results

Doing performance analyzes today I wanted to count how many hits come to the pages which get more than couple of visits per day. We had SQL logs in the database so It was pretty …

Read More