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Balancing

Balancing Real Time Threads

10/21/2007  
Relevance: 9.16
"Currently in mainline the balancing of multiple RT threads is quite broken. That is to say that a high priority thread that is scheduled on a CPU with a higher priority thread, may need to unnecessarily wait while it can easily run on another CPU that's running a lower priority thread," began Steven Rostedt, describing his patchset to introduce improved real time task balancing.
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BalanceNG: A simple approach to load balancing

03/23/2007  
Relevance: 7.95
Load balancing software uses multiple hardware devices to spread work around and thereby speed performance. While Linux Virtual Server may be the best-known option for Linux networks, another alternative, BalanceNG, a simple, lightweight utility, may be a better choice for some organizations.
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Implement load-balancing, port forwarding, and rate-limiting with shd-tcp-tools

09/18/2008  
Relevance: 7.43
shd-tcp-tools provides a collection of tools for port forwarding, load balancing, and rate-limiting TCP connections. They can be useful if you want to offer SSH services but also limit how much of your bandwidth each user can consume, so that a single long-running SCP operation cannot starve the link from your server to the Internet.
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The balancing act that is VoIP

04/11/2007  
Relevance: 5.16
One of the main challenges behind the increase in adoption of Voice over IP technology in the corporate market lies in the quality of the call.[Not specifically Linux-related, but might be of interest to some of our readers - dcparris]
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Continuent: Continuent Ships New uni/cluster for PostgreSQL

09/11/2006  
Relevance: 4.98
Continuent uni/cluster Solution Provides Enterprises Running PostgreSQL 7.4, 8.0 and 8.1 with Advanced Database Replication, Load-Balancing and High Availability for Mission-Critical Applications
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o3 magazine issue #6 now available

08/14/2007  
Relevance: 4.81
Open Source Global Server Load Balancing is the focus of the latest issue of o3 magazine. o3 is a FREE digital open source / business magazine. Web Acceleration, Rails / Mongrel and more.
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Tip: Zeroshell Delivers Big Network Services in a Small Package

11/18/2008  
Relevance: 4.79
What gives you a firewall, load-balancing, QoS, 3G support, RADIUS, wireless access point, HTTP proxy, VPN, VLAN, PPPoE, captive portal, and a host of other useful security, authentication, and network applications, all in a hundred megabytes? Zeroshell, the built-from-scratch Linux network appliance.
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Linux: Chasing Down Data Corruption

12/29/2006  
Relevance: 4.71
In a couple of fascinating threads on thelkml, Linus Torvalds has been working with several other kernel developers to try and track down a difficult data corruption bug [story]. Linus posted a test-program that's capable of consistently triggering the data corruption, so it's a matter of time before the bug is found and fixed."I think the page-writeout is implicated," Linus explains,"because I do seem to need it, but the page-cache flush does seem to make corruption _easier_ to see. I now seem about to trigger it with a 100MB file on a 256MB machine in a minute or so, with this slight modification. I still don't see _why_, though. But maybe smarter people than me can see it." Earlier it was thought that new page balancing code added in the 2.6.19 kernel was to blame, but using Linus' test-program the data corruption has been reported as far back as the 2.6.5 kernel."It's not actually a new bug at all," suggested Linus,"it's just that the dirty page balancing causes writeback to happen _earlier_, and thus is better able to _show_ a bug that we've likely had for a long long time." Before heading out to dinner to celebrate his birthday, Linus sent out a patch for tracing the areas of the kernel where the corruption bug is happening,"in the hope that somebody else is working on this corruption issue and is interested." He went on summarize the current status of the debugging effort:"What we need now is actually looking at the source code, and people who understand the VM, I'm afraid. I'm gathering traces now that I have a good test-case. I'll post my trace tools once I've tested that they work, in case others want to help."(And hey, you don't have to be a VM expert to help: this could be a learning experience. However, I'll warn you: this is _the_ most grotty part of the whole kernel. It's not even ugly, it's just damn hard and complex)."
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EnGarde Secure Linux 3.0.17 Released

10/10/2007  
Relevance: 4.66
Launched by Guardian Digital with: brand new daemon control functionality, improved password shadowing, load balancing improvements and much more.EnGarde Secure Linux is a fully-functional platform engineered from the ground up for high levels of security explicitly for server operations.
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Report: Hovsepian: Balancing on the Novell-MS Tightrope

12/01/2006  
Relevance: 4.65
A lot has been said about the hows of the Novell-Microsoft deal, but what about the whys? What motivated Novell CEO Ron Hovsepian to initiate a deal with Linux's No. 1 Enemy? In this interview, Hovsepian reveals the business realities behind the move, and that when it comes to Microsoft, Novell knows full well who it's dealing with.
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