Re: Another comment about 1pass-parsing (Re: [PATCH] Add 2-pass mode to gtags)

[Shigio YAMAGUCHI]

Hello,

Thank you for the opinion. If most users think like you, we need not
be hasitant to use temporary file.

How is it about the postponement of the conclusion to the end this
month?  If there is no disenting opinion in this mailing list by
the end of this month, we can think that temporary file is accepted.

> Hello,
> 
> As a regular user (and fan) of Global, and while waiting for gtags to 
> complete in the gcc sources on my slow netbook, I would like to share the 
> following comments:
> 
> On Sat, 9 Jan 2010, Shigio YAMAGUCHI wrote:
> 
> > Though the 1pass-parsing is a certainly wonderful improvement,
> > it requires considerable disk space for a temporary file.
> > In the case of linux-2.6.21.3, it requires about 59M Bytes, and
> > additionally it use a file not visible.
> 
> Although being careful about the size of temporary files is certainly a 
> legitimate concern, I must say I disagree when you say that 59MB is 
> "considerable disk space" when this happens while working with a Linux 2.6 
> source tree.
> 
> For what it's worth, I have recent Linux source and build trees around:
> 
> $ du -sh linux-2.6.31.6 build-2.6.31.6
> 418M    linux-2.6.31.6
> 2.0G    build-2.6.31.6
> 
> Anyone working with the Linux kernel nowadays is very well aware that this 
> requires a lot of disk space. And at work I have to deal with gcc source 
> trees which are even larger.
> 
> So I definitely consider that an extra 59MB temporary file is a very tiny 
> price to pay for the significant speedup you measured. :-)
> 
> > If someone tags a huge project at a server machine then it might
> > bring /tmp directory overflow, and it is not visible. The system
> > administrator might judge that he will reboot the system.
> 
> Central servers for development do exist, but as of today, I think a 
> majority of developers (i.e. users of Global) are confined to their 
> desktop or laptop for development.
> 
> And I find it hard to imagine that a 59MB temp file would be a problem on 
> a multi-user server in this year 2010. :-)
> 
> 
> Cheers,
> Jean-Marc
> 
> PS: gtags took 18 minutes to complete ;-)
--
Shigio YAMAGUCHI <address@hidden>
PGP fingerprint: D1CB 0B89 B346 4AB6 5663  C4B6 3CA5 BBB3 57BE DDA3