Emergency

Monthly Archives: March 2009

My “hot” list for next InnoDB features

Many InnoDB scalability problems seem fixed in InnoDB-plugin-1.0.3 and I expect InnoDB-plugin will run fine on 16-24 cores boxes for many workloads. And now it is time to look on systems with 32GB+ of RAM …

Read More
 

xtrabackup-0.4, going beta, progress meter

We added some new features to our backup tool, namely: Now we can handle log file taken during backup with size exceeding 4GB, it may happen if backup takes too long and you have a …

Read More
 

Adjusting 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 database …

Read More
 

2009 Percona Performance Conference Schedule

The schedule for the 2009 Percona Performance Conference has been released. Take a look, see what interests you, and (optionally) register to come. We look forward to seeing you all there!

Read More
 

Sphinx Technologies launches Sphinx Support

A couple of weeks ago Sphinx Technologies, a company behind Sphinx Full Text Search Engine launched Sphinx Support Packages which I think is a great value for everyone using Sphinx in Production. This is also …

Read More
 

PROCEDURE ANALYSE

Quite common task during schema review is to find the optimal data type for the column value – for example column is defined as INT but is it really needed or may be SMALLINT or …

Read More
 

Another ingenious piece of Sun Marketing

So a while ago I wrote about fun post about MySQL Scalability to 256 way…. Besides discussion on the thread itself I had a lot of private comments in my mail from Sun/MySQL employees which …

Read More
 

MySQL random freezes could be the query cache

I feel like I’ve been seeing this a lot lately. occasionally, seemingly innocuous selects take unacceptably long. Or Over the past few weeks, we’ve been having bizarre outages during which everything seems to grind to …

Read More
 

MySQL insert performance with iiBench Python client

by:

Mark Callaghan recently developed and released an enhanced Python version of Tokutek’s iiBench benchmark (Thanks Mark!). We’re happy to see a Python version of the benchmark as it can now more easily be run by …

Read More
 

Converting Character Sets

The web is going the way of utf8. Drizzle has chosen it as the default character set, most back-ends to websites use it to store text data, and those who are still using latin1 have …

Read More