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Re: [PATCH] gitweb: Support caching projects list

From
JJ.H. <warthog19@eaglescrag.net>
Date
Mar 16, 2008, 22:37 UTC
Message-ID
<1205707048.2758.35.camel@localhost.localdomain>
In-Reply-To
<200803161937.07082.jnareb@gmail.com>
On Sun, 2008-03-16 at 19:37 +0100, Jakub Narebski wrote:
Show 23 quoted lines
> On Sun, 16 Mar 2008, J.H. wrote:
> > On Sun, 2008-03-16 at 12:41 +0100, Frank Lichtenheld wrote:
> >> On Sat, Mar 15, 2008 at 02:44:42PM -0700, Jakub Narebski wrote:
> >>>  
> >>> This could be much simplified with perl-cache (perl-Cache-Cache).
> >>> Unfortunately this is non-standard module, not distributed (yet?)
> >>> with Perl.
> >> 
> >> I think somebody who actually needs this can be bothered to install a
> >> CPAN perl module. This should probably not enabled by default anyway.
> > 
> > The people who need the caching are also likely those who are most
> > averse to using things that don't either come with their distribution or
> > aren't easily and readily available in something like an extras
> > repository or a very well trusted contrib repository.  I can at least
> > vouch for one large site that needs this that doesn't install things via
> > cpan for a lot of different reasons.
> 
> Actually Cache::FileCache, which is part of CacheCache distribution,
> should be available in contrib or even extras repository. I have
> installed it as perl-Cache-Cache RPM (1.05-1.fc4.rf) on my Aurox 11.1
> (which is old Fedora Core 4 based distribution), from Dries RPM
> repository (part of FreshRPM now, IIRC).

That would be fine, I don't think the larger sites would have issues finding a copy than.

> 
> The problem is that at least according to what documentation of other,
> never CPAN modules says Cache::FileCache is slow, as it always serialize
> using Storable (Storable should be part of perl distribution).
That makes it much less interesting unfortunately.
Show 7 quoted lines
> We can always install local copy alongside gitweb...
> 
> 
> P.S. When searching CPAN for existing modules for caching and CGI
> caching I have found Cache::Adaptive::ByLoad which does what
> caching-gitweb does, and some solutions in newer caching interfaces,
> either CHI or Cache which try to avoid thundering horde problem.
Interesting - my have to take a look at that.
> P.P.S. Does kernel.org use memcached, or some kind of web cache
> (reverse proxy cache) like Varnish or Squid?

No - doesn't buy us anything really unfortunately. And since I'm doing caching inside of gitweb itself having multiple layers of caching just makes things more complicated, adds unnecessary latency to updates, etc.

- John
Previous: Jakub NarebskiNext: Jakub Narebski
Message 24 of 30 in “gitweb: Support caching projects list”
  1. gitweb: Support caching projects listPetr Baudis, Mar 13, 2008
  2. Jay SoffianMar 14, 2008
  3. Petr BaudisMar 14, 2008
  4. Jay SoffianMar 14, 2008
  5. J.H.Mar 14, 2008
  6. Jakub NarebskiMar 14, 2008
  7. J.H.Mar 14, 2008
  8. repo.or.cz renovationPetr Baudis, Mar 17, 2008
  9. Petr BaudisMar 17, 2008
  10. J.H.Mar 17, 2008
  11. Jakub NarebskiMar 17, 2008
  12. Jakub NarebskiMar 17, 2008
  13. Jakub NarebskiMar 14, 2008
  14. Jay SoffianMar 14, 2008
  15. Junio C HamanoMar 14, 2008
  16. Frank LichtenheldMar 14, 2008
  17. Jakub NarebskiMar 14, 2008
  18. Petr BaudisMar 17, 2008
  19. Jakub NarebskiMar 15, 2008
  20. Miklos VajnaMar 16, 2008
  21. Frank LichtenheldMar 16, 2008
  22. J.H.Mar 16, 2008
  23. Jakub NarebskiMar 16, 2008
  24. J.H.Mar 16, 2008
  25. Jakub NarebskiMar 16, 2008
  26. repo.or.cz renovatedPetr Baudis, Mar 17, 2008
  27. Junio C HamanoMar 17, 2008
  28. Petr BaudisMar 17, 2008
  29. Theodore TsoMar 17, 2008
  30. Petr BaudisMar 17, 2008

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