I believe this has been fixed in master: https://github.com/web2py/web2py/commit/ea5ea6a30759a2c825f23381540dc396cbc475b7.
Anthony On Wednesday, June 6, 2018 at 9:16:57 AM UTC-4, Lisandro wrote: > > Quick update: *apparently the problem doesn't happen using > RedisCache(with_lock=False, ...)* > Should this be considered a bug or is it the expected behaviour? > > I would like to keep with_lock=True but avoid that 10 second delay when a > function raises HTTP 503 or 404. > The issue with that delay is that, during that time, the request is using > a database connection, and in my environment I have the risk of exhausting > db connections. > > I'll try to play a bit with the source code of redis_cache.py, but still > any suggestion or comment will be much appreciated. > Thanks! > > El miércoles, 6 de junio de 2018, 9:45:55 (UTC-3), Lisandro escribió: >> >> Hi there! I recently upgraded my production environment to web2py 2.16.1, >> and I'm facing an old issue that was apparently solved. >> In my applications I use @cache.action to cache public pages, and as I >> use Redis for cache, I use it like this: >> >> @cache.action(time_expire=300, cache_model=cache.redis, session=False, >> vars=False, public=True) >> def test(): >> .... >> >> >> Well, I've found that, *when the function raises an HTTP 503 or 404, it >> takes 10 seconds to complete and return the result*. >> Now, this only happens when cache_model=cache.redis. >> *If I change it to cache_model=cache.ram, it takes a few milliseconds to >> complete as expected.* >> >> I'm using Redis 3.2.10 64bit on CentOS7. >> The problem had been reported long time ago, and it was also fixed: >> https://github.com/web2py/web2py/issues/1355 >> >> I've checked my web2py source code, and it's indeed using the latest >> stable version 2.16.1, and just in case, I looked at >> gluon/contrib/redis_cache.py and the fix is there. >> However, it appears that the problem still can be reproduced with this >> code: >> >> from gluon.contrib.redis_cache import RedisCache >> from gluon.contrib.redis_session import RedisSession >> from gluon.contrib.redis_utils import RConn >> >> _redis_conn = RConn('localhost', 6379) >> cache.redis = RedisCache(redis_conn=_redis_conn, with_lock=True) >> >> @cache.action(time_expire=300, cache_model=cache.redis, session=False, >> vars=False, public=True) >> def test(): >> raise HTTP(503) >> >> >> Notice that it always takes 10 seconds, maybe that should bring in some >> clue about what's happening. >> Any suggestion? >> >> Thanks in advance! >> Regards, Lisandro >> > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
