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HowTo Increase GFS2 Performance in a Cluster

08/17/2009  
Relevance: 4.39
In the last HowTo, I showed you how to setup GFS2 file system with Red Hat Clustering. I will now show you how to optimize the performance of your GFS2 mounts. The gfs_controld daemon manages the mounting, unmounting, and the recovery of the GFS2 mounts. gfs_controld also manages the posix lock. By default the plock_rate_limit option is set to 100. This will allow a maximum of 100 locks per second, which will decrease your GFS2 performance.
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Networking scalability on high-performance servers

01/04/2008  
Relevance: 4.31
The proliferation of high-performance scalable servers has added a new level of complexity to networking and system performance. In this article, learn how to optimize your multi-node, high-performance Linux® system as it uses system board gigabit Ethernet adapters from 1 to 4 nodes. Take a look at problematic networking scalability situations and get tips on how to avoid the pitfalls.
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New site aims to cut power bills for Intel-based Linux users

09/22/2007  
Relevance: 4.30
The Open Source Technology Center (OSTC) at Intel has launched a Web site, LessWatts.org, to help Linux users maximize power savings. The site hosts several open source projects, and shares tips and tricks to help optimize power consumption on hardware from portable devices running on batteries to large data centers.
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Qualcomm launches open source subsidiary

10/27/2009  
Relevance: 4.30
Qualcomm has established a subsidiary to develop software for mobile open source platforms. The Qualcomm Innovation Center, Inc. (QUIC) will optimize open source software with Qualcomm technology, using platforms including Linux, Webkit, Android, Chrome, and Symbian, which last week achieved a major milestone in migrating to open source.
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Extending Ubuntu's Battery Life

03/01/2008  
Relevance: 4.28
Last week when traveling to Europe for FOSDEM and other business meetings, I had picked up a new 9-cell battery for a Lenovo ThinkPad T60. While an additional three battery cells will noticeably extend your battery life, you can also extend your battery life by taking a few simple steps to optimize your Linux desktop that will also reduce your power consumption and heat output. In this article are a few simple steps to take in order to extend your notebook's battery life on Ubuntu.
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Canonical rents Ubuntu mavens

09/04/2009  
Relevance: 4.20
Canonical has announced a new type of support for enterprises running Ubuntu that need some extra hands-on help: the Premium Service Engineer (or PSE). A PSE Ubuntu expert would working as a single point of contact for Canonical's larger customers, becoming"virtual team members" with the company's IT staff. Canonical says PSEs will provide regular technical and service reviews, share best-practice wisdom, and help companies optimize Ubuntu environments. Apparently, PSEs will even serve as advocates for the company for future Ubuntu releases.
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Oracle buys virtualisation specialists Virtual Iron

05/14/2009  
Relevance: 4.18
Having recently purchased Sun Microsystems, Oracle has now bought virtualisation specialist Virtual Iron for an unspecified amount. The purchase gives Oracle another server virtualisation solution, including Virtual Iron's management software. In a statement Wim Coekaerts, Oracle Vice President of Linux and Virtualisation Engineering, said"With the addition of Virtual Iron, Oracle expects to enable customers to more dynamically manage their server capacity and optimize their power consumption.
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High Performance Linux Networking Scalability

01/15/2008  
Relevance: 4.18
High-performance scalable servers add a new level of complexity to networking and system performance. In this article, learn how tooptimize your high-performance Linux system as it uses system board gigabit Ethernet adapters from 1 to 4 nodes. Take a look at problematic networking scalability situations and get tips on how to avoid the pitfalls.
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Linux: Tuning CFS

08/05/2007  
Relevance: 4.16
Nick Piggin used 'git bisect' to track a lmbench regression to the main CFS commit, leading to an interesting discussion between Nick and Ingo Molnar. Ultimately the regression was tracked down to the temporary configurability of the scheduler while it is tuned for optimal performance,"one reason for the extra overhead is the current tunability of CFS, but that is not fundamental, it's caused by the many knobs that CFS has at the moment." The solution, already coded but not yet merged in the mainline kernel"changes those knobs to constants, allowing the compiler to optimize the math better and reduce code size," and as a result result,"CFS can be faster at micro-context-switching than 2.6.22."
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Extending Ubuntu's Battery Life

02/29/2008  
Relevance: 4.15
Last week when traveling to Europe for FOSDEM and other business meetings, I had picked up a new 9-cell battery for a Lenovo ThinkPad T60. While an additional three battery cells will noticeably extend your battery life, you can also extend your battery life by taking a few simple steps to optimize your Linux desktop that will also reduce your power consumption and heat output. In this article are a few simple steps to take in order to extend your notebook's battery life on Ubuntu.
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Showing 10 articles of total 38158 in database ( English).

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