[mythtv-users] 32 vs. 64 bit, any significant difference?

Fred Squires fsquires at gmail.com
Tue Jan 19 12:48:45 UTC 2010

On Mon, Jan 18, 2010 at 9:15 PM, Tortise <tortise at paradise.net.nz> wrote:
> ----- Original Message ----- From: "Eric Sharkey" <eric at lisaneric.org>
> To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> Sent: Tuesday, January 19, 2010 2:57 PM
> Subject: Re: [mythtv-users] 32 vs. 64 bit, any significant difference?
> On Mon, Jan 18, 2010 at 8:42 PM, Tortise <tortise at paradise.net.nz> wrote:
>> This maybe a little OT, however I've come up against the 2G file size
>> limits
>> in email clients. Best I can tell this is a 32 bit file size (client
>> processing / handling?) limit.
>> Support for large files isn't really a 32-bit vs. 64-bit
> processor/kernel issue.  32-bit kernels have been able to work with
> large files for quite some time.  See this for more info:
>> http://www.suse.de/~aj/linux_lfs.html
>> It's been stable for quite some time.  On the other hand, specific
> applications may internally use 32 bit values for file offsets and
> other such, and there's nothing the OS can do about that.  You need to
> upgrade the application.
>> Which email client are you using?
> Outlook Express 6.  Its one of the anchors that keeps the need for XP for
> me.  I've been planning to ditch this for some time however that's not been
> so easy....
> I wish to retain my history as experience has proven to me I cannot predict
> what I might like to retrieve, so long ago I elected to keep everything.  OE
> inboxes one can split into any number of <= 2G files however the sent box
> does not seem to enjoy the same divisibility.  OE's compaction is not upto
> to handling these large file sizes, in my experience, which does not help.
> I'm looking to move to a Linux email client, with an imap server on the LAN.
>  Ideally I'd like to reproduce my OE history on the IMAP server.
> Mail client options identified include Evolution, Thunderbird or maybe
> Zimbra.  As Evolution is more comprehensive it has some appeal however my
> priority is a fast client that is fully searchable and reproduces the OE
> functions. (I expect some other benefits might come along also...)
> Getting them across might be fun, as a first step Win Thunderbird will
> translate into mbox formats, so I am hoping that creates a path...but I've
> yet to figure out completing the transfer.  Knowing where I am heading might
> be helpful!

A mail client that supports maildir would alleviate any potential file
size limits.
Also, moving to an imap server (most internally store their files as
maildir, btw), if you're not locally using maildir and any of your
local mbox files become corrupt you can simply drop the mbox file and
resync your mail and like magic no more corruption.

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