OpenZFS: the next phase of ZFS development

I’ve been watching ZFS from moments after its inception at the hands of Matt Ahrens and Jeff Bonwick, so I’m excited to see it enter its newest phase of development in OpenZFS. While ZFS has long been regarded as the hottest filesystem on 128 bits, and has shipped in many different products, what’s been most [...]





Posted on September 17, 2013 at 2:00 am by ahl · Permalink · 4 Comments
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DTrace for Linux

Yesterday (October 4, 2011) Oracle made the surprising announcement that they would be porting some key Solaris features, DTrace and Zones, to Oracle Enterprise Linux. As one of the original authors, the news about DTrace was particularly interesting to me, so I started digging. I should note that this isn’t the first time I’ve written [...]





Posted on October 5, 2011 at 9:51 pm by ahl · Permalink · 32 Comments
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DTrace Knockoffs

Update 8/6/2007: Those of you interested in this entry may also want to check out my next entry on the legality of a hypothetical port of DTrace to Linux. Tools We Wish We Had — OSCON 7/26/2007 Last week at OSCON someone set up a whiteboard with the heading “Tools We Wish We Had”. People [...]





Posted on August 2, 2007 at 11:36 am by ahl · Permalink · 52 Comments
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DTrace for Linux

With BrandZ, it’s now possible to use DTrace on Linux applications. For the uninitiated, DTrace is the dynamic tracing facility in OpenSolaris; it allows for systemic analysis of a scope and precision unequalled in the industry. With DTrace, administrators and developers can trace low level services like I/O and scheduling, up the system stack through [...]





Posted on December 13, 2005 at 1:00 pm by ahl · Permalink · 9 Comments
In: DTrace · Tagged with: , , , ,