Random thoughts about computing

The pthreads   reader writer locks  have a couple of problems that can lead to application hangs. The trylock functions can cause other th...

We discovered problems with one kind of pthread reader writer lock  (rwlock) on linux .  Sometimes, a thread requesting a read lock that i...

A stripped down version of TokuDB is running on MySQL 8.0. mysql> select @@version\G; *************************** 1. row *******...

MySQL 8.0 now supports the thread sanitizer .   This is good news as the thread sanitizer provides MySQL developers another tool to help fi...

We recently found two races in the fractal tree lock manager that significantly affect transactional throughput for some applications that u...