[CentOS] MySQL/file system question

[Boris Epstein]

>
>
>
> Easy.  It is using temporary files the *correct* way.
>
> 1. Open file
> 2. Unlink file
> 3. Use file
> 4. Close file
>
> This means (a) even if the process abends the resources allocated to the
> file are released and (b) an external process can't see [or modify] the
> temporary file.
>
> When a file is unlinked it remains 'active' until all references to the
> file are released - but the daemon is still holding a reference [because
> it is using the file].
>
> There is a file there, but nobody, not even root, can see it.
>
> Actually you can; if you look in /proc/{pid#}/fd ...
>
> --
> System & Network Administrator [ LPI & NCLA ]
> <http://www.whitemiceconsulting.com>
> OpenGroupware Developer <http://www.opengroupware.us>
> Adam Tauno Williams
>
>
In fact, I did look in /proc/{pid#}/fd and found the file names, thanks!
Coud quite figure out the size of those invisible files - but no matter,
hopefully I've got enough room.

Thanks.

Boris.