MySQL

Category to track posts in PlanetMySQL

The Depth of a B-tree

Schlomi Noach recently wrote a useful primer on the depth of B-trees and how that plays out for point queries — in both clustered indexes, like InnoDB, and in unclustered indexes, like MyISAM. Here, I’d like to talk about the effect of B-tree depth on insertions and range queries. And, of course, […]

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High Anxiety Whenever You’re Near

Every time I visit the Sun Santa Clara Campus, I’m reminded of Mel
Brooks’s movie “High Anxiety”. The campus was known as The Great
Asylum for the Insane in the 19th century, and even includes a tower.

High Anxiety,
whenever you’re near.
High Anxiety,
it’s you that I fear.

I went to the MySQL Storage Engine (SE) Summit […]

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TokuDB Storage Engine for MySQL

Tokutek officially announced the TokuDB for MySQL v2.0 Storage Engine, v2.0 on April 16th, 2009. TokuDB uses Fractal Tree (TM) technology to boost MySQL performance for users challenged with interactive querying in high volume, always-on applications. As a pure SW storage engine, TokuDB provides drop-in compatibility for existing MySQL code and applications. […]

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Improving TPC-H-like Queries – Q2

Posted by Bradley C. Kuszmaul and David Wells

Executive Summary: A MySQL straight join can speed up a query that is very similar to TPC-H Q2 by a factor of 159 on MySQL.
Recently, we began looking at TPC-H performance on MySQL. Our early
tests yielded unexpectedly poor performance for MyISAM, InnoDB and the
Tokutek storage engine. […]

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MySQL insert performance with iiBench Python client

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 a broader group of people in more diverse environments. Going forward, we will continue building upon Mark’s […]

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