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Sun’s ZFS now has built-in deduplication utilizing a master hash function to map duplicate blocks of data to a single block instead of storing multiple times. What’s deduplication? Deduplication is the process of eliminating duplicate copies of data and mapping…

This new release comes with GIMP 2.6, GNOME 2.28/KDE 4.3.2, Mozilla Firefox 3.5, OpenOffice.org 3.1, Linux kernel 2.6.31, X.Org 7.5, and the Empathy Instant Messenger instead of Pidgin. The Ubuntu One client, which interfaces with Canonical’s new online storage system,…

CentOS community annouced the availability of CentOS-5.4 for i386 and x86_64 Architectures this week. It’s based on the upstream release Redhat Enterprise Linux 5.4.0 and includes packages from all variants including Server and Client. This is just an announcement email,…

Perl 5.11.0 was released yesterday (02/Oct/2009) , as well as a schedule for future 5.11.x releases. As a DEVELOPMENT release, Jesse Vincent encouraged testing of the new version, saying, “If you write software in Perl, it is particularly important that…

Following the adoption of Btrfs and SquashFS in Linux 2.6.29, the kernel development team have once more integrated two new file systems into 2.6.30 in the form of NILFS and EXOFS. NILFS is a new log-structured file system that dramatically…

A lot of blogging and follow-up discussion ensued with the announcement that IE8 supports six connections per host. The blogs I saw: IE8: The Performance Implications IE8 speeds things up IE8: 6 Connections Per Host IE 8 and Performance Testing…

Scribd has so many fibularis online document, and you can always easily find them with the help of its search box. Here’s some good example: Social Networking Study The Design of The POSTGRES Storage System THE GOOGLE CLUSTER ARCHITECTURE

With the help of these Google search tips, we mostly can save a lot of time, and gain more informations from the world. It’s especially useful for heavy Google users like me. My Google search History indicates that I raise…

The Journaling Block Device layer (JBD) isn’t ext3 specific.  It was designed to add journaling capabilities to a block device.  The ext3 filesystem code will inform the JBD of modifications it is performing (called a transaction). The journal supports the…