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mardi 2 septembre 2008

RAID Level performance norms

Par Samuel T. Cossette, mardi 2 septembre 2008 à 16:55 :: General


source: Greenplum Database Administrator Guide

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jeudi 26 juin 2008

Google misleading developers to spam site!

Par Samuel T. Cossette, jeudi 26 juin 2008 à 19:23 :: General

I was recently reading about Google Authentication API, while trying one of the example (see AuthSubRequest sample requests), I've been redirected to that web site:


How disgusting! Spammed by Google, I was totally shocked.

Get out of the 'plex and do some reading: ftp://ftp.rfc-editor.org/in-notes/rfc2606.txt.

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lundi 21 avril 2008

Is Imageshack and Powerset linked?

Par Samuel T. Cossette, lundi 21 avril 2008 à 22:28 :: General

They are for sure peered together through EZRI Inc. (Levin brothers own ISP). According to a traceroute, Imageshack seem to be the internet service provider of Powerset: 
 bonita:~ samuel$ traceroute powerset.com
 [...]
   7  tge1-3.fr4.sjc.llnw.net (69.28.171.66)  119.812 ms  114.540 ms  116.356 ms
   8  imageshack.ge3-1.fr4.sjc.llnw.net (208.111.152.106)  135.034 ms  135.472 ms  135.122 ms
   9  gi5-1.bas1.aa.powerset.com (208.76.46.165)  142.041 ms  139.165 ms  141.869 ms
  10  w2.aa.powerset.com (208.76.46.17)  135.569 ms  134.921 ms  135.400 ms
Search queries and user behavior on query result from Imageshack is extremely valuable data for Powerset.

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mercredi 7 novembre 2007

Gmail 2.0 first experience.

Par Samuel T. Cossette, mercredi 7 novembre 2007 à 01:04 :: General

I noticed this morning that the web version of GTalk was back in my personalized Gmail interface. Weird, I have disabled that functionality long time ago. Then few minutes later, I got new error/unreachable Gmail server. I was freaking out until I saw the link on the top right corner giving me the opportunity to switch back to the old interface! For your pleasure only, here are some exclusive screen shots:


Few mortal have the possibility to switch to the new interface (my email censored using twirl effect).


New error messages.


New error messages.


State of the art loading message.


Unfortunatly you can't get rid of the chat box.


New url are definitively cool!


Hmmm confusing, they are actually online!


Oops, too many javascripts?

Ahhh SquirrelMail was the good old days.

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mercredi 6 juin 2007

User-agent faxx0r python class.

Par Samuel T. Cossette, mercredi 6 juin 2007 à 06:45 :: General

Made from about 500 000 hits from an undisclosed servers. Sample usage: 
import urllib
from ua import ua
 
class myOwnUrlOpen(urllib.FancyURLopener):
 def __init__(self, *args):
  self.version = ua.gett()
  urllib.FancyURLopener.__init__(self)

o = myOwnUrlOpen()
f = o.open("http://www.coolwebsite.com/")
doc = f.read()
The sources: 
import random

class ua:
 def __init__(self):
  self.ua = ['Mozilla/5.0 (Macintosh; U; Intel Mac OS X; de-de) AppleWebKit/419 (KHTML, like Gecko) Safari/419.3', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; ja-jp) AppleWebKit/419 (KHTML, like Gecko)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; FunWebProducts; .NET CLR 1.1.4322)', 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.4) Gecko/20060601 Firefox/2.0.0.4 (Ubuntu-edgy)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; FDM)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; hu; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'kh_lt/LT4.0.2737', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-us) AppleWebKit/419 (KHTML, like Gecko) Safari/419.3', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; (R1 1.5); .NET CLR 1.1.4322)', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; fr; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; pt-BR; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-GB; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; it-it) AppleWebKit/419 (KHTML, like Gecko) Safari/419.3', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727)', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; de; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 1.1.4322)', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US) AppleWebKit/420+ (KHTML, like Gecko, Safari/420) OmniWeb/v607.17', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; MathPlayer 2.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; FunWebProducts; .NET CLR 1.1.4322)', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/419 (KHTML, like Gecko)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2) Gecko/20070219 Firefox/2.0.0.2', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.0.12) Gecko/20070508 Firefox/1.5.0.12', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 1.1.4322)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; .NET CLR 1.1.4322)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; InfoPath.1)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.0.12) Gecko/20070508 Firefox/1.5.0.12', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.1)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; InfoPath.1)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.2)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.1)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; InfoPath.2)', 'Opera/9.21 (Windows NT 5.1; U; en)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 2.0.50727; .NET CLR 1.1.4322; Media Center PC 4.0; InfoPath.1)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; nl; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1)', 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.0.12) Gecko/20070508 Firefox/1.5.0.12', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; InfoPath.1)', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)', 'Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; it; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.11) Gecko/20070312 Firefox/1.5.0.11', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; es) AppleWebKit/419 (KHTML, like Gecko)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)', 'Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727)', 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.4) Gecko/20061201 Firefox/2.0.0.4 (Ubuntu-feisty)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)', 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.3) Gecko/20061201 Firefox/2.0.0.3 (Ubuntu-feisty)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; InfoPath.2; .NET CLR 1.1.4322)', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.0.12) Gecko/20070508 Firefox/1.5.0.12', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en) AppleWebKit/419 (KHTML, like Gecko)', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/419 (KHTML, like Gecko) Safari/419.3', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)', 'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en) AppleWebKit/419 (KHTML, like Gecko) Safari/419.3', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.12) Gecko/20070508 Firefox/1.5.0.12', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', '   9003 ', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322)', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4', 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)']
 def gett(self):
  return self.ua[random.randrange(len(self.ua))]

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