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Loading Air Traffic Control Data with TokuDB 4.1.1

TokuDB has a big advantage over B-trees when trickle loading data into existing tables. However, it is possible to preprocess the data when bulk loading into empty tables or when new indexes are created. TokuDB …

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Recovery Times – Part Deux

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In a follow-up experiment to an earlier post on TokuDB recovery times, I tried to create a better apples-to-apples comparison to InnoDB recovery time. If I measure recovery times when both DBs are doing the …

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Recovery Time for TokuDB

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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 …

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Tuning for heavy writing workloads

For the my previous post, there was comment to suggest to test db_STRESS benchmark on XtraDB by Dimitri. And I tested and tuned for the benchmark. I will show you the tunings. It should be …

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Attempting to Quantify Fragmentation Effects

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We often hear from customers and MySQL experts that fragmentation causes problems such as wasting disk space, increasing backup times, and degrading performance. Typical remedies include periodic “optimize table” or dump and re-load (for example, …

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iiBench configuration

A tip of the hat to Mark Callaghan, who suggested I post our my.cnf settings for iiBench. Instead of fiddling around with the configuration file, we adjusted everything on the command line. Here’s the relevant …

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MySQL 5.0, 5.1 and Innodb Plugin CPU Efficiency

We’ve recently done benchmarks comparing different MySQL versions in terms of their CPU efficiently in TPC-C like Workload. We did it couple of weeks ago so MySQL 5.0.67, MySQL 5.1.29 and Innodb Plugin 1.0.1 were …

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128GB or RAM finally got cheap

I did not usually go to “Elite” servers on Dell web site but looking at customers system today I went to check Dell Poweredge R900. This monster takes up to 4 Quad Core CPUs and …

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MySQL Performance on Memory Appliance

Recently I have had a chance to check out MySQL Performance on “Memory Appliance” by Violin Memory which can be used as extremely high speed storage system. I helped Violin Memory to optimize MySQL for …

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A piece of Sun/MySQL Marketing

I got first Sun/MySQL Newsletter Today which among other things lead to the site publishing among other things links to various stuff related to Sun and MySQL and among other things – These Benchmarks This …

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