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