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Jens Ulrik Lange on Web technology, programming, Linux and IT project management

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Category: Performance

Disk cloning to a smaller disk

By Jens Ulrik Posted on 02/12-2019 Posted in Performance, Uncategorized
Disk cloning to a smaller disk

Switching out the disk of a laptop (and maintaining the computer as-is) requires cloning – and in some cases it makes sense to clone to a smaller disk. Yes: Family holidays for this geek, start out with a line of …

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Karmic Koala – post install notes

By Jens Ulrik Posted on 08/11-2009 Posted in Linux, Networks, Open Source, Performance No Comments Tagged with Performance

Installed Ubuntu 9.10 a few days ago. Everything seemed OK (very very nice actually) except for a little network performance glitch that may also bother you.√Ǭ† Canonical has once again taken Linux one step further away from the status of …

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Javascript performance on current browsers

By Jens Ulrik Posted on 06/05-2009 Posted in Geekyness, Linux, Performance, Software design, Web, Windows 1 Comment

Found this little test which gives an indicator as to Javascript performance in your browser. On my system (Windows XP on two year old Lenovo T60p laptop) i tried to run it ten times on my browsers with all plugins …

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Testing: WP Super Cache

By Jens Ulrik Posted on 09/02-2009 Posted in Geekyness, LAMP, Performance, Web No Comments

Seems like a very cool plugin to enhance the userexperience – performance wise, plus it seems to prepare WordPress blogs for high traffic spikes. Bug found: Links to posts from archives seems to cache PHP-code – not the resulting HTML. …

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What goes on in my registry when…

By Jens Ulrik Posted on 15/05-2008 Posted in Free, Geekyness, Performance, Windows No Comments

Ever asked yourself what actually happens when you perform a certain thing in a certain program? Which files are read, created, updated and what goes on in my registry. The Sysinternals Process Monitor tool does this. Filter the events any …

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MySQL query/indexing tip

By Jens Ulrik Posted on 31/08-2007 Posted in LAMP, MySQL, Open Source, Performance No Comments

I originally learned about this MySQL shortcoming in the book High Performance MySQL, and luckily I remembered it for an issue that struck me today. I have two tables – one containing blog-posts, and one containing a record for each …

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Latest experiments

  • Detect full screen using Javascript
  • My VS Code extensions
  • Disk cloning to a smaller disk
  • Track a boat
  • Use pv as your MySQL import progress indicator

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