Re: php.ini include_path and symlinks

On Tue, 2007-11-06 at 18:35 -0800, Ravi Menon wrote: > Hi, > > We run php 5.2.0 + apache 2.2. with apc turned on ( apc.stat also on > ). Earlier we did not use the php.ini include_path setting. We relied > on some symlinks for our common code > so that require_once works correctly. > > This worked fine and during code releases we flipped the main > 'release' symlink atomically, without restarting apache. > > Later we decided to use php.ini include path to refactor common code > more cleanly and it looks like: > > include_path=.:/some/dir/current:...... > > Now 'current' above is a symlink. > > When we push out a new release the current is updated atomically and > apache is not restarted. > > This seems to pick the new changes and I ran some manual tests to > confirm. However occasionally I see weird > errors where it seems php could be resolving the symlink to the actual > dir. at apache startup, and it assumes > that old dir. When a new release goes out, we see 'fatal redeclare errors' etc.. > > Restarting apache (TERM and not USR1) seems to fix it. > > We could update our install scripts to restart apache, but I am just > curious, is this really necessary? > > Is there anyway to prevent php from not resolving symlinks but use > them as it is in the include_path? Are you using a compile cache like eaccelerator or APC etc? Sometimes it's the cache that doesn't realize things have changed. I use a symlink switcher for version releases also and I always flush the eaccelerator directory when I do that. Cheers, Rob. -- ........................................................... SwarmBuy.com - http://www.swarmbuy.com Leveraging the buying power of the masses! ...........................................................