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Thu Sep 01 20:26:08 2005 GMT: jabberd2 64-bit brokenness Wed Aug 24 22:50:57 2005 GMT: Where is all the RAM? Wed Aug 24 19:57:14 2005 GMT: Google Talk Hmm, they use an open protocol (XMPP) with some proprietary extensions (VoIP signalling, although they claim to be documenting the extensions in the future) to build a closed service (by not allowing XMPP's server-to-server communication). And by installing their client software you "agree to automatically request and receive Updates" from their servers. Sounds a lot like Microsoft, doesn't it? But, it's not, it's Google Talk. BTW, there is an interesting article about Google in the IHT: Google taking on Microsoft's role of villain Sat Aug 13 18:38:40 2005 GMT: Upgrading to Hoary Hedgehog I have finally upgraded my Linux machine at home from Debian woody to Ubuntu Hoary Hedgehog. As this machine is already quite old, I haven't installed a GNOME/Nautilus desktop, but I have decided to switch to XFCE4 (and keeping fvwm as the window manager, of course). Tue Aug 09 18:16:19 2005 GMT: One More Reason to Ignore Google Seems to be a pretty bad week for Google: According to Elinor Mills, Google doesn't like it if you raise privacy issues about their search engine (also see Google gets 'googled,' and annoyed). Now Yahoo has announced that it features the biggest search engine index with nearly 20 billion Web documents. I am wondering when we can expect an update from number three in the search engine market... Mon Aug 08 19:17:15 2005 GMT: Concurrent Access To SQLite Database One of the weak points of SQLite is when multiple threads or processes are trying to access the same database. While SQLite ensures that the database isn't corrupted, the behaviour most likely isn't desirable, because SQLite only uses a very simplistic way of locking. Essentially, it uses polling when waiting for a lock (which might lead to starvation and consequently to SQLite BusyErrors). The SQLite developers are blaming the brokenness of POSIX file locking in multi-threaded programs. To work around this limitation, I have enclosed database accesses in a mutex in JabRSS (where multiple threads try to access the same database), and I am using POSIX file locking in WebRSS (where multiple processes might try to access the same database). At least I get the desired behaviour with some additional coding. Sun Aug 07 08:29:41 2005 GMT: Solaris Internals If you are interested in Solaris internals, there are a few blogs on blogs.sun.com worth reading: Joe Bonasera, Jim Mauro, Rod Evans, Richard McDougall and Tim Marsland. Particularly interesting is this Solaris on Xen progress report. Tue Aug 02 19:54:03 2005 GMT: Atom 1.0 Sun Jul 31 15:29:04 2005 GMT: Anti-Virus Software Flaws Wed Jul 13 19:15:04 2005 GMT: Mail System Changes at web.de Tue Jul 12 19:14:31 2005 GMT: Domain Grabbers Thu Jun 30 17:01:09 2005 GMT: Alpha Processor Comeback? | ||||||
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Revision: 1.14, cmeerw.org/blog/421.html Last modified: Mon Sep 03 18:19:55 2018 |
Christof Meerwald <cmeerw@cmeerw.org> XMPP: cmeerw@cmeerw.org |