Nikos Chantziaras wrote: > Alan McKinnon wrote: >> On Friday 26 December 2008 21:49:02 Nikos Chantziaras wrote: >> >>> OK, I once again verified that fragmentation seems to be a big issue >>> even on Linux. I just migrated to ext4, and in order to do that I had >>> to rsync, format and rsync back. The result is similar to the last >>> time >>> I did this (over 8 months ago): >>> >>> emerge --sync takes 15 seconds (at least 3 minutes yesterday) >>> update-eix takes 2 seconds (20 seconds yesterday) >>> >>> And I don't believe it's due to ext4. It's a nice speed-up from ext3, >>> but not THAT nice. >> >> Um, did it occur to you that after you emerge --sync'ed yesterday and >> ran update-eix that your portage tree is now very up to date and your >> eix cache is hot? >> >> Therefore successive runs will naturally be much quicker? And that >> yesterday was xmas day, a day most likely to involve very few if any >> portage updates? Or that emerge --sync could easily speed up simply >> because you had more bandwidth? >> >> Your speed-ups likely have very little to do with your filesystem. > > Well, instead of "yesterday" let's just say "the past 5 months". I > already did the rsync/format thing a few times over the last years, > and the results are always the same: very fast filesystem for about a > month, then it starts getting slower over time. > > >
I have to say that after my recent transfer, my login got a whole one second faster. I can't tell any difference anywhere else. Of course, portage has always been on its own partition and used ext3. We need a hard drive engineer on here. :/ Dale :-) :-)
