Living with backups
Everyone does backups. Usually it’s some nightly batch job that just dumps all MySQL tables into a text file or ordinarily copies the binary files from the data directory to a safe location....
View ArticleThoughs on Innodb Incremental Backups
For normal Innodb “hot” backups we use LVM or other snapshot based technologies with pretty good success. However having incremental backups remain the problem.First why do you need incremental backups...
View ArticleSHOW OPEN TABLES – what is in your table cache
One command, which few people realize exists is SHOW OPEN TABLES – it allows you to examine what tables do you have open right now: mysql> show open tables from test;...
View ArticleClik here to view.
High-Performance Click Analysis with MySQL
We have a lot of customers who do click analysis, site analytics, search engine marketing, online advertising, user behavior analysis, and many similar types of work. The first thing these have in...
View ArticleAdjusting Innodb for Memory resident workload
As larger and larger amount of memory become common (512GB is something you can fit into relatively commodity server this day) many customers select to build their application so all or most of their...
View ArticleFew more ideas for InnoDB features
As you see MySQL is doing great in InnoDB performance improvements, so we decided to concentrate more on additional InnoDB features, which will make difference.Beside ideas I put before...
View ArticleActive Cache for MySQL
One of the problems I have with Memcache is this cache is passive, this means it only stores cached data. This means application using Memcache has to has to special logic to handle misses from the...
View ArticleClik here to view.
Optimizing slow web pages with mk-query-digest
I don’t use many tools in my consulting practice but for the ones I do, I try to know them as best as I can. I’ve been using mk-query-digest for almost as long as it exists but it continues to surprise...
View ArticleSell-an-Elephant-to-your-Boss-HOWTO
Spoiler alert: If your boss does not need an elephant, he is definitely NOT going to buy one from you. If he will, he will regret it and eventually you will too.I must appologize to the reader who was...
View ArticleHere’s a quick way to Foresee if Replication Slave is ever going to catch up...
If you ever had a replication slave that is severely behind, you probably noticed that it’s not catching up with a busy master at a steady pace. Instead, the “Seconds behind master” is going up and...
View ArticleLiving with backups
Everyone does backups. Usually it’s some nightly batch job that just dumps all MySQL tables into a text file or ordinarily copies the binary files from the data directory to a safe location....
View ArticleThoughs on Innodb Incremental Backups
For normal Innodb “hot” backups we use LVM or other snapshot based technologies with pretty good success. However having incremental backups remain the problem.First why do you need incremental backups...
View ArticleSHOW OPEN TABLES – what is in your table cache
One command, which few people realize exists is SHOW OPEN TABLES – it allows you to examine what tables do you have open right now:mysql> show open tables from test;...
View ArticleHigh-Performance Click Analysis with MySQL
We have a lot of customers who do click analysis, site analytics, search engine marketing, online advertising, user behavior analysis, and many similar types of work. The first thing these have in...
View ArticleAdjusting Innodb for Memory resident workload
As larger and larger amount of memory become common (512GB is something you can fit into relatively commodity server this day) many customers select to build their application so all or most of their...
View ArticleFew more ideas for InnoDB features
As you see MySQL is doing great in InnoDB performance improvements, so we decided to concentrate more on additional InnoDB features, which will make difference.Beside ideas I put before...
View ArticleActive Cache for MySQL
One of the problems I have with Memcache is this cache is passive, this means it only stores cached data. This means application using Memcache has to has to special logic to handle misses from the...
View ArticleClik here to view.
Optimizing slow web pages with mk-query-digest
I don’t use many tools in my consulting practice but for the ones I do, I try to know them as best as I can. I’ve been using mk-query-digest for almost as long as it exists but it continues to surprise...
View ArticleSell-an-Elephant-to-your-Boss-HOWTO
Spoiler alert: If your boss does not need an elephant, he is definitely NOT going to buy one from you. If he will, he will regret it and eventually you will too.I must appologize to the reader who was...
View ArticleIs Replication Slave ever going to catch up? When?!
If you ever had a replication slave that is severely behind, you probably noticed that it’s not catching up with a busy master at a steady pace. Instead, the “Seconds behind master” is going up and...
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