Zsync for Packages files

Tollef Fog Heen tfheen at err.no
Fri Jul 24 18:31:44 BST 2009


]] Lars Wirzenius 

| ma, 2009-07-20 kello 22:46 +0200, Tollef Fog Heen kirjoitti:
| > ]] Max Bowsher 
| > 
| > | That's interesting - I would have thought that it would simply lead to
| > | many small pdiff files being created, but the system overall still
| > | working fine. How is the usability damaged?
| > 
| > You'll need to get quite a lot of small files, which means you get hit
| > by TCP's slow start algorithm again and again rather than just grabbing
| > one big file once.
| 
| Surely apt uses a single TCP connection to fetch all the pdiff files?
| That is, HTTP pipelining, or whatever it is called, to do several HTTP
| requests over a singel TCP connection.

Hmm, yes.

It's not using pipelining, though, just keep-alive.  (At least as far as
I could see.)

-- 
Tollef Fog Heen
UNIX is user friendly, it's just picky about who its friends are




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