Blog: Mikael Ronstrom

219 blogs updated: 28 min. ago
MySQL Cluster 7.6.8 performance jump of up to 240%
In February I added a new feature to my Sysbench version that I use in my MySQL Cluster testing. This new feature adds a new column in the t...
24-10-2018 13:36:02 Mikael Ronstrom MySQL
Non-blocking Two-phase commit in NDB Cluster
Non-blocking 2PC protocol Many of the new DBMSs developed in the last 10 years have abandoned the two-phase commit protocol and instead reli...
10-09-2018 17:46:14 Mikael Ronstrom MySQL
Basics of MySQL Cluster
Basics of MySQL Cluster This PDF introduces the basic architecture of MySQL Cluster and how to access it with various APIs.
06-09-2018 13:39:16 Mikael Ronstrom MySQL
Manual for benchmark toolset dbt2-
Manual for dbt2- My career has been focused on two important aspects of DBMSs. The first is the recovery algorithms to enable the ...
24-08-2018 14:55:59 Mikael Ronstrom MySQL
Use cases for MySQL Cluster
Third chapter of "MySQL Cluster 7.5 inside and out". NDB was designed for a number of networking applications. In particular the original de...
20-08-2018 14:53:32 Mikael Ronstrom MySQL
Rationale for MySQL Cluster
Second chapter of "MySQL Cluster 7.5 inside and out". When I started developing the ideas for NDB Cluster in my Ph.D studies about 25 years ...
17-08-2018 17:16:56 Mikael Ronstrom MySQL
What is special with MySQL Cluster
The first chapter from the book "MySQL Cluster 7.5 inside and out". This chapter presents a number of key features that makes NDB unique.
16-08-2018 14:47:31 Mikael Ronstrom MySQL
Scheduling challenges of checkpoints in NDB
The NDB data nodes are implemented using asynchronous programming. The model is quite simple. One can send asynchronous messages on two prio...
09-08-2018 18:48:36 Mikael Ronstrom MySQL
Optimising scan filter for checkpoints in NDB
When loading massive amounts of data into NDB when testing the new adaptive checkpoint speed I noted that checkpoints slowed down as the dat...
09-08-2018 11:48:41 Mikael Ronstrom MySQL
Analysis of restart improvements in MySQL Cluster 7.6.7
To test restart times I am using the DBT2 test suite that I developed based on DBT2 0.37 since 2006. The following test setup is used: DataM...
09-08-2018 04:55:50 Mikael Ronstrom MySQL

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