ZFS comes with built-in deduplication

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 duplicate blocks of data to a single one instead of multiples. When data is highly […]
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Ubuntu 9.10 Desktop Edition Released

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, is installed by default. It also debuts a new application called the Ubuntu Software Center […]
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CentOS-5.4 i386 and x86_64 Released

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, not the release notes. The Release Notes for CentOS-5.4 can be found on-line at wiki.centos.org.
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Perl-5.11.0 released and what’s new

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 you test your software against development releases. While we strive to maintain source compatibility with […]
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Roundup on Browser Parallel Connections

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 IE8.s Connection Parallelism IE 8 Connection Parallelism Issues It’s likely that Firefox 3 will support […]
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Exploring ext3 journal mode

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 transactions start and stop, and in case of a crash, the journal can replay the […]
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