[Openstack] [Swift] tmp directory causing Swift slowdown

Hi, I have been investigating a pretty serious Swift performance problem for a while now. I have a single node Swift instance with 16 cores, 64GB memory and 8 MDs of 3TB each. I only write 256KB objects into this Swift instance with high concurrency; 256 parallel object PUTs. Also, I was sharding

[Openstack] AMQP queue errors, slow commands and more.

Hello, I'm having some problems with my OpenStack installation (Icehouse) made following the installation guide provided on the OpenStack website. I'm using Neutron (Figure 1.2

Re: [Openstack] [nova] Cleaning up unused images in the cache

Hi, In the case that libvirt is using a shared file system then there is the chance of having a race condition - one compute node may try and blow away an image that it thinks is aged whilst another tries to spin up an instance using the same image that is being deleted. There may be the outside

Re: [Openstack] [nova] Cleaning up unused images in the cache

Dear Joe, Thanks for your kind reply, your informations are helpful. I'm reading the imagecache.py[1] sourcecode in order to really understand what it'll happen in case of a shared filesystem. I understand the SHA1 hash mechanism and the backing file check but I'm not sure how it will manage

[Openstack] [Swift] keystoneauth.py middleware supports account ACL(ACL v2) or not ?

Hi all, I found the keystoneauth.py has no knowledge about ACL v2. It means the account level ACL doesn't be supported for Keystone users. In other words, there's no way to allow an user who is not in a project to access all containers/objects without container ACL on every containers. Am I rea

Re: [Openstack] Swift quota per keystone user

Hi Kevin, According to your plan for tenant #1 #2 #3 and #2 is shared by Alice and Bob. It needs additional tool or middleware to limit users total usage by user's index. That's not in Swift tho. For your purpose, I think you can arrange #1 for Alice and #2 Bob. And set account quota on both acco