Re: pack operation is thrashing my server
- From
- David Tweed <david.tweed@gmail.com>
- Date
- Aug 14, 2008, 09:04 UTC
- Message-ID
- <e1dab3980808140204t29b56fa4h3b22e52fc576fb1e@mail.gmail.com>
- In-Reply-To
- <46a038f90808131654r228a1b57y964f7cdb9c77be5f@mail.gmail.com>
On Thu, Aug 14, 2008 at 12:54 AM, Martin Langhoff <martin.langhoff@gmail.com> wrote:
Show 7 quoted lines
> On Thu, Aug 14, 2008 at 3:26 AM, David Tweed <david.tweed@gmail.com> wrote: >> FWIW, PDF format is a mix of sections of uncompressed higher level >> ASCII notation and sections of compressed actual glyph/location data > > The PDF spec allows compression of the "text" sections - if a PDF is > uncompressed, it's a good candidate for delta & compression. > Unfortunately, within the same file you might have an embedded JPEG.
Sure, all I was pointing out was that even pdfs with compressed page contents can look like uncompressed text from looking at the entropy of the first 4k or 8k.
-- cheers, dave tweed__________________________ david.tweed@gmail.com Rm 124, School of Systems Engineering, University of Reading. "while having code so boring anyone can maintain it, use Python." -- attempted insult seen on slashdot