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    SubjectRe: Hashing and directories
    On Fri, Mar 02, 2001 at 10:04:10AM +0100, Pavel Machek wrote:
    > Hi!
    >
    > > > > * userland issues (what, you thought that limits on the
    > > > > command size will go away?)
    > > >
    > > > Last I checked, the command line size limit wasn't a userland issue, but
    > > > rather a limit of the kernel exec(). This might have changed.
    > >
    > > I _really_ don't want to trust the ability of shell to deal with long
    > > command lines. I also don't like the failure modes with history expansion
    > > causing OOM, etc.
    > >
    > > AFAICS right now we hit the kernel limit first, but I really doubt that
    > > raising said limit is a good idea.
    >
    > I am running with 2MB limit right now. I doubt 2MB will lead to OOM.

    You know, with a box with 4MB of RAM (or indeed 2MB, which should still
    be possible on a Linux-system), a 2MB command-line is a very effective
    DoS :^)

    > > xargs is there for purpose...
    >
    > xargs is very ugly. I want to rm 12*. Just plain "rm 12*". *Not* "find
    > . -name "12*" | xargs rm, which has terrible issues with files names
    >
    > "xyzzy"
    > "bla"
    > "xyzzy bla"
    > "12 xyzzy bla"
    >
    > !
    >
    > I do not want to deal with xargs. Xargs was made to workaround
    > limitation at command line size (and is broken in itself). Now we have
    > hardware that can handle bigger commandlines just fine, xargs should
    > be killed.

    /David Weinehall
    _ _
    // David Weinehall <tao@acc.umu.se> /> Northern lights wander \\
    // Project MCA Linux hacker // Dance across the winter sky //
    \> http://www.acc.umu.se/~tao/ </ Full colour fire </
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