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dimchansky / datacompressionproxy

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No compression now in Chrome 34 WIn 7 32bit. Previously, everything worked. now does not work. #8

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1.
2.
3.

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?

Please provide any additional information below.

Original issue reported on code.google.com by pavelp...@gmail.com on 13 May 2014 at 11:14

GoogleCodeExporter commented 8 years ago 
Stats not shown do not mean that the compression is not working. I am using 
Chrome 35.0.1916.27 and it works, I can see the "via: 1.1 Chrome Compression 
Proxy" response header in Network tab in Chrome Developer Tools. Could you 
please verify that you see the Via header?

Original comment by jerzyglowacki on 14 May 2014 at 12:43

GoogleCodeExporter commented 8 years ago 
Weird, I put lots of info on this but it was removed. In summary I chose a 
random imgur.com picture and downloaded it with and without the proxy. The 
picture was half the size roughly when the proxy was on and opening the picture 
in notepad++ showed it was the new JPEG format.

Also using a bandwidth meter showed that I was using roughly half the 
bandwidth, but the chrome://net-internals/#bandwidth page showed no savings as 
per below

    Session Total
Original (KB)   3648.7  5922444.2
Received (KB)   3648.7  5922444.2
Savings (KB)    0.0 0.0
Savings (%) 0.0 0.0

I am using Windows 8.1 x64 and Chrome Version 34.0.1847.137 m

So the proxy is saving bandwidth, but since no stats are showing I expect 
people will probably give up and turn it off...

Original comment by ty...@mango.net.nz on 19 May 2014 at 11:25

GoogleCodeExporter commented 8 years ago 
I found my comment in the following bug listed as will not fix as per comments

"I can confirm DCP works in Chrome 35.0.1916.27 even if the stats are missing. 
Sorry, but there is nothing I can do with them. You have to file the Chromium 
bug if the lack of stats makes you sad."

https://code.google.com/p/datacompressionproxy/issues/detail?id=5&can=1

I have no idea how to report this to Chromium but this issue seems to be 
repeating. 

I did further testing, and it appears a problem with the statistics page which 
while 'cosmetic' will put a lot of people off as it appears not to be working. 

I used this test page (Home make snickers bars.) http://imgur.com/gallery/qrSFf

Here are the results

OFF Total Data Transferred  0.97 MB
ON Total Data Transferred   495 KB

Also I saved the top image in both modes to my desktop and opened in Notepad++ 
and confirmed the Compressed one was a WEBPVP8 format (which still saved as 
.jpeg but nothing except chrome would open it.)

The original file was a JFIF from the headers.

Original comment by ty...@mango.net.nz on 19 May 2014 at 11:29

GoogleCodeExporter commented 8 years ago 
It is a Chromium bug: https://code.google.com/p/chromium/issues/detail?id=374768

Original comment by jerzyglowacki on 19 May 2014 at 12:55