Jean-Pierre Pommet

danhacker: New ‘Mass Effect 2’ box art The game i am waiting...

Wed, 18 Nov 2009 18:26:12 +0100

New ‘Mass Effect 2’ box art

The game i am waiting for month !! I can’t wait to play this game :)

Fast Updates with MongoDB (update-in-place)

Wed, 18 Nov 2009 18:25:24 +0100

One nice feature with MongoDB is that updates can happen “in place” — the database does not have to allocate and write a full new copy of the object.

This can be highly performant for frequent update use cases. For example, incrementing a counter is a highly efficient operation. We need not fetch the document from the server, we can simply send an increment operation over:
db.my_collection.update( { _id : ... }, { $inc : { y : 2 } } ); // increment y by 2
MongoDB disk writes are lazy. If we receive 1,000 increments in one second for the object, it will only be written once. Physical writes occur a couple of seconds after the operation.

One question is what happens when an object grows. If the object fits in its previous allocation space, it will update in place. If it does not, it will be moved to a new location in the datafile, and its index keys must be updated, which is slower. Because of this, Mongo uses an adaptive algorithm to try to minimize moves on an update. The database computes a padding factor for each collection based on how often items grow and move. The more often the objects grow, the larger the padding factor will be; when less frequent, smaller.

See also:

http://www.mongodb.org/display/DOCS/Updating

http://blog.mongodb.org/post/171353301/using-mongodb-for-real-time-analytics

bastienlabelle: soxiam: Make a better FM (via cvander)

Sun, 15 Nov 2009 09:04:29 +0100

bastienlabelle:

soxiam:

Make a better FM (via cvander)

From Webfaction : A little holiday present: 10,000 reqs/sec with Nginx!

Fri, 13 Nov 2009 19:10:48 +0100

A little holiday present: 10,000 reqs/sec with Nginx!

Updated Dec 19 at 05:15 CDT (first posted Dec 18 at 06:01 CDT) by Remi in General - 11 comment(s)

A few weeks ago we quietly started to configure our new machines with Nginx as the front web server instead of Apache (we still run Apache behind Nginx for people who need all the features from Apache).

Here is a little benchmark that I did to compare Nginx versus Apache (with the worker-MPM) for serving a small static file:

This benchmark is not representative of a real-world application because in my benchmark the web servers were only serving a small static file from localhost (in real life your files would get served to remote machines and some of your requests would be dynamic) but the results are impressive nonetheless. Both servers are capable of serving a huge number of requests per second, but Apache’s performance start decreasing as you add more concurrent connections whereas Nginx’s performance almost doesn’t drop!

But here comes the best bit: because Nginx is event-based it doesn’t need to spawn new processes or threads for each request, so its memory usage is very low. Throughout my benchmark it just sat at 2.5MB of memory while Apache was using a lot more:

To take advantage of the lightning speed of Nginx we have added two new types of applications to our control panel: the “static only” app and the “symlink to static-only” app. They just work like a normal “static/cgi/php” and “symlink to static/cgi/php” app, except that they can only serve purely static content (no .htaccess support) and they are served directly by the front Nginx server.

Even if your site is not static you can still serve all your static data (CSS, javascript, images, …) directly from Nginx and enjoy the speed gain.

Nginx is only available on Web57 and over. If you’re on an older server and would like to use Nginx open a ticket and we’ll give you an extra plan on a new Nginx server and a free week to transfer your data.

Nginx FTW!

[Updated December 19th, 2008 to clarify the fact that we still run Apache behind Nginx for people who need all the Apache features]

11 comments:

Super Frank said on 2008-12-18 10:28:05:
Awesome! You guys just keep getting better and better!

Andrew Bates said on 2008-12-18 18:23:04:
Nginx sounds pretty cool. Now I just need to make my app as fast as Nginx…

Michael Warkentin said on 2008-12-25 00:29:20:
Nice! Thought that the static-only apps were new..

glebk said on 2009-01-13 20:39:52:
That’s a good beginning.
Btw, have you thought of using lighttpd instead of apache for a Django platform? it can save lots of resources

Sean said on 2009-01-14 11:53:46:
@glebk - if enough users ask for a Django+lighttpd installer, we’ll certainly provide one. Until then if anyone wants to run that, they’re free to run it as a custom app :)

Jim said on 2009-01-28 22:21:15:
your upgrade brought down my site, ugh

Sean said on 2009-01-29 08:14:59:
@Jim - Really? That should not have happened. If you’re having a problem with your site, please log in to the control panel and open a support ticket, we’ll be happy to take a look.

Brent said on 2009-02-03 18:23:44:
Is nginx running on top of apache? or the other way around? Do any of the apache processes run slower because of this?
From your benchmarks it looks awesome.

b r e n t

Sean said on 2009-02-04 14:30:39:
@Brent - Apache runs behind nginx. It ran behind another Apache before this change, so there’s really no difference in the backend Apache’s performance.

chusty said on 2009-05-18 09:13:31:
I’m using nginx for quite a long time now … and I’m really happy because of that :).

Bison said on 2009-06-18 05:14:49:
Wow, I missed that. I was waiting for this.
I might just switch to one of these servers after my holiday.
The next step would be lighttpd and varnish.
Great work!

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via blog.webfaction.com

A very good benchmark indeed but i am wondering about nginx’s cpu resource consumption. Does anyone have an idea ?

Posted via web from jppommet’s posterous | Comment »

"My decision to stop iPhone development has had everything to do with Apple’s policies. I respect..."

Thu, 12 Nov 2009 10:20:00 +0100

“My decision to stop iPhone development has had everything to do with Apple’s policies. I respect their right to manage their platform however they want, however I am philosophically opposed to the existence of their review process. I am very concerned that they are setting a horrible precedent for other software platforms, and soon gatekeepers will start infesting the lives of every software developer.”

- Joe Hewitt (via mathieuthouvenin)

Brett Domino: Hip-Hop Medley - Stylophone Beatbox

Wed, 28 Oct 2009 00:31:35 +0100

via youtube.com

They are amazing !! :D

Posted via web from jppommet’s posterous | Comment »

Let’s make the web faster !

Wed, 24 Jun 2009 21:53:10 +0200

Let’s make the web faster !

Une vidéo démo pour le HTC Hero !

Wed, 24 Jun 2009 20:52:40 +0200

Une vidéo démo pour le HTC Hero !:

Watch the HTC hero video demo ! Neat and smooth user interface :)

iPod Skins, iPhone Skins, Laptop Skins, Wall Vinyl, and Car Decals by Infectious.

Thu, 18 Jun 2009 22:46:45 +0200

iPod Skins, iPhone Skins, Laptop Skins, Wall Vinyl, and Car Decals by Infectious.:

A very cool website where you can choose a skin to customize your iPhone, iPod, laptop, wall and cars !I cant wait to get one that will emphasize the apple logo on my mac huhu ^^

New Beta Version of VirtualBox Emphasizes Graphics Support

Thu, 18 Jun 2009 21:41:09 +0200

New Beta Version of VirtualBox Emphasizes Graphics Support

Tweettab, un nouvel outil de veille pour Twitter

Wed, 17 Jun 2009 22:12:23 +0200

Tweettab, un nouvel outil de veille pour Twitter:

Hum sounds interesting ! :)

Mark Zuckenberg, Facebook CEO Interview by Building43 I...

Mon, 15 Jun 2009 01:41:00 +0200

Mark Zuckenberg, Facebook CEO Interview by Building43

I encourage you to check their website, some good content !! spread the word :)

Paul Ritch on BBC - Radio 1 - Essential Mix Only for techno...

Sun, 14 Jun 2009 05:04:54 +0200

Paul Ritch on BBC - Radio 1 - Essential Mix

Only for techno music lovers :)

How to install PECL package APC on ubuntu

Sun, 14 Jun 2009 04:50:05 +0200

Before you start, you may know that if you have installed the apache-prefork-mpm package on your ubuntu distribution, you should install apache-prefork-dev to build correctly APC.

After installing apc, you should set apc parameters correctly in file apc.ini according to your needs.

Further informations about APC are available below :
http://us.php.net/apc
http://www.slideshare.net/search/slideshow?q=apc+php

How to install php extension FileInfo and get a file MIME type

Sun, 14 Jun 2009 03:38:57 +0200

Just a little post that may help PHP developers. It works under Ubuntu Hardy Heron Server and PHP version < 5.3.

When developing in PHP, you need sometimes to get informations about a file, especially the MIME type ( ex : text/plain, image/gif ).

In order to do so, you need first, to install the PECL extension FileInfo. ( Since PHP 5.3, the FileInfo extension is packaged by default.)

Here is the following command lines to install this extension:

and then copy the code to get the file MIME type :

Hope it helps :)

More resources about MIME types :
http://en.wikipedia.org/wiki/MIME
http://www.iana.org/assignments/media-types/

Just a beautiful picture of an aurora borealis :) #aurora...

Sun, 14 Jun 2009 02:20:34 +0200

Just a beautiful picture of an aurora borealis :) #aurora #borealis #photo (via danhacker)

Interesting page : Opera freedom

Fri, 12 Jun 2009 18:17:19 +0200

Interesting page : Opera freedom:

Sounds interesting, have a look at the source of this page :)

Firefogg - video encoding and uploading for Firefox

Mon, 08 Jun 2009 22:50:01 +0200

Firefogg - video encoding and uploading for Firefox:

On the website you will find a rich api to upload and encode video from a user.

Feedly a great rss plugin for Firefox !

Mon, 08 Jun 2009 22:31:27 +0200

Feedly a great rss plugin for Firefox !:

Trust me guys, if you read like me your rss feeds almost everyday, this plugin will ease your life !! To know more about the features that provides feedly, check this out and you wont regret it !

danhacker: iPhone 3GS Complete Feature Guide Gizmodo has posted...

Mon, 08 Jun 2009 21:42:09 +0200

danhacker:

iPhone 3GS Complete Feature Guide

Gizmodo has posted a full feature run-down of the new iphone 3Gs

Speed
• Faster than the previous generation: Launching messages is 2.1 faster, load the NY Times in Safari: 2.9 times faster.

Camera
• New camera, with auto focus, auto exposure, and auto white balance.
• You can also tap to focus, changing white balance in the process. That is neat.
• Special macro and low light modes.
• It supports video, 30 frames per second VGA with auto focus, auto white balance, and auto exposure.
• Can trim video with a tap of the finger, and share it with MMS, email, MobileMe and YouTube.

Connectivity
• It supports the 7.2 Mbps HSDPA standard.

Graphics
• Includes hardware to support the OpenGL|ES standard, for faster and more complicated 3D games.

Design

• Same design as before.
• Greener materials: Arsenic-free glass, BDF-free, Mercury-free LCD.

Special features
• It has a compass application, which works with the included magnetometer. It’s integrated into the new maps, showing orientation, alongside longitude and latitude.
• Voice control. You can now talk with your iPhone, Enterprise-style. You can instruct it to play similar songs to the one you are playing, or call people.
• Nike + support built in.
• Supports accessibility features, like zooming on text, inverting video, and voice over when you touch whatever text is on screen.

Battery life

• Increased battery life.

Price and availability
• $199 for 16GB version.
• $299 for 32GB version.
• Available on June 19th.

(via:gizmodo)