Author: Mike Blaszczak
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Analyzing Swapping and CPU utilization in MySQL and Linux
Measuring CPU load while Linux is swapping
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Lessons from a MySQL Performance Question
Investigating the questions and claims in a Reddit post about MySQL performance after changing hardware … and some other stuff.
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debugging MSVC++ CRTL memory leaks
It seems like none of the docs on this subject are quite complete. One of the most missed issues is that there can be multiple heaps in a single process. DLLs that use the CRTL, for example, can get a module-local heap. Each heap will get a separate run of the dump activity, so the…
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Asking about Questions
Over at The Ladders, career coach Lee E. Miller advises about a question lots of interviewees get: Tell me about yourself. Mr Miller is right about one thing: this question shouldn’t take an interviewee by surprise. An interviewee should be poised and confident, and shouldn’t hesitate to describe themselves or their experiences. After all, providing…
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Outlook and Meeting Attendance
If I schedule a meeting in Microsoft Outlook, I can optionally get responses to that meeting request. The responses are just messages from each invitee with a subject indicating their attendance. Someone might attend, so they’ll cause the Calendar to send a message with the subject “Accepted: FY2012 Budget Review”. Someone else might be tentative…
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Recovering SQL Server databases without a log file
I use two drives in RAID0 for my database server at home. This is pretty bad, for sure. The RAID0 log array has failed twice in six years. I probably should just drop the extra $80 to add a third drive and make RAID5, or buy a couple more and make RAID10. When the failure…