[OS X TeX] (OT) Tiger and not Tigrrrr :-)?
herbs at wideopenwest.com
Wed Jul 27 08:21:23 EDT 2005
On Jul 27, 2005, at 2:28 AM, Bruno Voisin wrote:
> Regarding the freeze problem only (I think I have bothered more
> than enough people on this list already with rants about Tiger's
> instabilities): I can think of three possible causes, other than bugs:
> - Spotlight updating its databases in the background.
I see mdimport (one run under my user name and occasionally one run
with no user (root?)) running about once every 10s taking about 15%
of CPU (on my 550MHz Powerbook) for a short period of time - it's
running "niced" so I believe will hold off if necessary. There is
also mds which runs irregularly and I don't know what it does - no
man page for it. I assume that if I had a faster processor the CPU
usage of the periodic mdimport run would go down considerably or at
least the time period would decrease quite a bit so there would be
less interference with other processes running (although that
shouldn't happen, ever!). I do wonder if this is the culprit when pdf
files were being messed up when I re-compiled too rapidly since the
process is tied into the low level disk reads and writes.
> - Some network activity failing silently in the background (through
> all versions of OS X, I have experienced freezes or slowdowns with
> some network tasks in the Finder, especially with FTP -- for
> example when you click on an FTP link in Safari or Mail, and the
> Finder cannot connect to the FTP server).
The network time out seems to be very long and this problem seems to
be in every version of OS X I remember. I make sure to turn off
automatic checks for updates by applications; it would be handy but I
remember wondering what happened to my system when Expander couldn't
get in touch with it's site and would hang for a long period of time.
> - Antivirus software like ClamXav scanning directories in the
> background (see below).
I don't like things like that happening automatically.
> But yes, I am also experiencing once a day, say, freezing
> applications with no definite causes. Usually terminate the process
> with Cmd-Alt-Esc. Happens more often on my 400 MHz/384 MB RAM/30 GB
> HD PowerMac than on my 1 GHz/1 GB RAM/60 GB HD PowerBook, which
> makes me think it must be connected with either of slow processor/
> low memory/small disk space.
>> My advice is to definitely delete all traces of Virex using the un-
>> installers mentioned above if you EVER had Virex on your system.
>> Now I call OS X 10.4 Tiger rather than Tigerrrr or Tigrrrr.
> With Virex incompatible with Tiger, and now than ClamXav <http://
> www.clamxav.com/> has reached version 1 and is more compatible with
> Tiger (it doesn't fuss with the NetInfo clamav user pre-installed
> by Tiger), I am using ClamXav for antivirus scanning. It can scan
> folders/drives on demand, and includes a Sentry function for
> scanning specified directories automatically. I have set the Sentry
> to scan the Desktop (my download directory) and the various Inboxes
> and Junk mailboxes of my Mail accounts.
Did you actually run the Virex un-installer? It has helped
tremendously on my system and I still don't know why it should have
> That said, as with any virus scanner I have tried so far, this
> Sentry function ends up invariably at some point with unexpected
> slowdowns nay crashes, and I will probably, as always, disactivate
> automatic scanning and only leave scanning on demand (for email
> attachments, typically, before forwarding messages to Windows users).
> Bruno Voisin
I have been using ClamXav ever since it came out. The only
disadvantage is that there are no searches inside .sit files. That is
getting moot now since .zip has become ``standard'' under Tiger so
everything I compress goes into .zip now.
The latest version of ClamXav will open with a Drag & Drop but
doesn't seem to actually search the dropped file(s). That is the way
I like to do things---nothing in the background. Hopefully Drag &
Drop will be improved in the future.
(herbs at wideopenwest.com)
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