We are running into this occasionally, but I suspect the AuthManager singleton, since we aren't using redis anymore. I'll use your repro to see if i can stop the ldap version of the problem. Is someone working on an implementation of an AuthDriver that doesn't use redis?
On Sep 28, 2010, at 6:19 AM, Soren Hansen wrote: > Public bug reported: > > It seems that both our use of Redis and Carrot (or py-amqplib) are > suffering somewhat under Eventlet. This bug is about Redis: > > Trying something like this: > $ euca-describe-instances & euca-describe-instances & euca-describe-instances > & euca-describe-instances & > > Causes at least two (sometimes all) of these calls to fail with an HTTP > 403 error from the API server. My analysis strongly suggested this to be > due to multiple calls to Redis going through the same socket at the same > time, making all of them fail. > > Replacing the Redis singleton with a class that just returns a fresh > Redis connection each time fixes it, but may not be acceptable (When > doing 200 concurrent requests I got a /lot/ of Redis connections at the > same time). > > ** Affects: nova > Importance: Undecided > Status: New > > -- > Redis concurrency problems in API server > https://bugs.launchpad.net/bugs/649807 > You received this bug notification because you are a member of Nova > Bugs, which is subscribed to OpenStack Compute (nova). > > Status in OpenStack Compute (Nova): New > > Bug description: > It seems that both our use of Redis and Carrot (or py-amqplib) are suffering > somewhat under Eventlet. This bug is about Redis: > > Trying something like this: > $ euca-describe-instances & euca-describe-instances & euca-describe-instances > & euca-describe-instances & > > Causes at least two (sometimes all) of these calls to fail with an HTTP 403 > error from the API server. My analysis strongly suggested this to be due to > multiple calls to Redis going through the same socket at the same time, > making all of them fail. > > Replacing the Redis singleton with a class that just returns a fresh Redis > connection each time fixes it, but may not be acceptable (When doing 200 > concurrent requests I got a /lot/ of Redis connections at the same time). > > -- Redis concurrency problems in API server https://bugs.launchpad.net/bugs/649807 You received this bug notification because you are a member of Registry Administrators, which is subscribed to OpenStack. _______________________________________________ Mailing list: https://launchpad.net/~registry Post to : [email protected] Unsubscribe : https://launchpad.net/~registry More help : https://help.launchpad.net/ListHelp

