Re: line numbers

[suvayu ali]

On Mon, Jun 4, 2012 at 4:56 PM, Alp Aker <alptekin.aker@gmail.com> wrote:
> On Mon, Jun 4, 2012 at 9:55 AM, suvayu ali <fatkasuvayu+linux@gmail.com> 
> wrote:
>
>> A caveat. As far as I know linum mode shows line numbers using overlays.
>> This can be very expensive if the file is large (e.g. a log file, a
>> journal file etc). If possible I would advice the OP to adapt to not
>> using in-buffer line numbers and rely on line-number-mode for line
>> numbers on the mode line instead.
>
> linum-mode only creates as many overlays as is needed to cover that
> portion of a buffer that's visible at a given time; it removes them
> from locations that are no longer visible.  As a result, its
> performance is independent of buffer size.

In the real world things can be very different. ;)

AFAIR, there is a long history of Heisenbug like issue with linum-mode
and large org-mode files. If you are interested you can check the
org-mode archive.

-- 
Suvayu

Open source is the future. It sets us free.