I agree with this assessment. Nobody's fault in particular but unfortunate circumstances. Still the fix is good and naviserver has fastpath cache disabled as oppose to aolserver.
Stephen Deasey wrote: > fyi, there's talk of a bug in the fastpath cache on the aolserver > list. I agree with the reporter, John: it's totally busted. I > committed a fix last night, but if you're not on the commits list you > won't have seen it. Heads up. > > The fix was to lookup objects in the cache using the file name, as the > windows code did, and not use the two-stage file name to inode, inode > to object lookups. > > The only down side might be that if you have files known by more than > one name, eg symlinks, the cache will hold duplicates and be less > efficient. But that may not be a great idea anyway: with symlinks, > user-agents will use different URLs to request the same file, so HTTP > caching can't be used. > > Also, it seems to me that the problem has nothing to do with dynamic > content or temp files or the programmer doing anything wrong. You > could be unlucky with your timing and have random content appear > instead of the file you expected. For example, two programmers could > log in to one machine and edit two html documents live. If they happen > to save at the same time, and there happens to be requests for those > files which cause them to be cached, and the OS chooses to recycle > inodes unfavourably, then the contents of either of the files might > appear to be any other file that has previously been cached by > fastpath. Ouch. > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > naviserver-devel mailing list > naviserver-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/naviserver-devel > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ naviserver-devel mailing list naviserver-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/naviserver-devel
