Emergency

Monthly Archives: December 2009

Percona is hiring a consultant

We’re hiring. We are looking for the following qualifications: Expert knowledge of MySQL. Not just “certified” — years of production experience with it. You need to know server internals, for example. You need to be …

Read More
 

Recovery Time for TokuDB

Last week Tokutek released version 3.0.0 of TokuDB, adding ACID transactions to its list of features. This post discusses an experiment we ran to measure recovery time following a system crash. In summary, while actively …

Read More
 

What do we optimize with mk-query-digest ?

When we’re looking at mk-query-digest report we typically look at the Queries causing the most impact (sum of the query execution times) as well as queries having some longest samples. Why are we looking at …

Read More
 

Announcing TokuDB v3.0 Beta: ACID Transactions

Tokutek is pleased to announce the beta launch of TokuDB for MySQL, version 3.0. Many of our customers have asked for  transaction capabilities to provide the data integrity their businesses require and in this release we …

Read More
 

Battle around MySQL heats up

As the deadline for EC to decide if Oracle can acquire Sun and hence MySQL is coming up the tensions seems to heat up. Monty posts his open letter calling for help lobbying EC to …

Read More
 

There will be no separate Percona Performance Conference in April 2010

Now that O’Reilly has announced they’re going to have a MySQL conference independently of Sun/MySQL, we have decided not to proceed with plans for our own Performance Conference. We are participating in the O’Reilly conference, …

Read More
 

Redis Benchmarks on FusionIO (Round 1)

Peter took a look at Redis some time ago; and now, with the impending 1.2 release and a slew of new features, I thought it time to look again.

Read More
 

xtrabackup-1.0

Dear Community, As of today release 1.0 is available. In this release there are following changes: Changelog: XtraBackup is ported to Windows. The .MSI package as well as .tar.gz is available for 32 bit platform …

Read More
 

Why delayed flushing can result in less work

I can think of at least two major reasons why systems delay flushing changes to durable storage: 1. So they can do the work when it’s more convenient. 2. So they can do less work …

Read More
 

FusionIO – time for benchmarks

I posted about FusionIO couple times RAID vs SSD vs FusionIO and Testing FusionIO: strict_sync is too strict…. The problem was that FusionIO did not provide durability or results were too bad in strict mode, …

Read More