[Planetlab-users] Collecting log-files

[Chad Yoshikawa]

In my experience the CPU is scarcer than the network bandwidth, so I'd go
with a time-staggered remote copy of the logfiles back to your machine.

Other users might have different opinions...

-Chad

Chad Yoshikawa
CS Graduate Student
yoshikco at ececs.uc.edu


> -----Original Message-----
> From: users-bounces at planet-lab.org [mailto:users-bounces at planet-lab.org]
> On Behalf Of Sven Westergren
> Sent: Tuesday, April 24, 2007 12:17 PM
> To: users at lists.planet-lab.org
> Subject: [Planetlab-users] Collecting log-files
> 
> Hi all,
> 
> I have some very large logfiles I need to collect from approximately 200
> nodes on planet-lab, and I'm pondering how I should go about this.
> 
> The way I see it I have two options:
> A: process the logfiles locally on each planetlab-node (run it through a
> grep+sed-script) such that the amount of data transmitted is minimized
> B: collect the raw logfiles and process them on my own machine, thereby
> limiting the cpu-load induced on the planet-lab nodes.
> 
> Which way would you consider the most polite to the planetlab-community?
> 
> best regards
> Sven Westergren
> 
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