[Openstack] Question about undo delete in Swift with Object Version

Hi stackers, I'm trying to understand the object version feature in Swift. In the current implementation we can store multi-versions of the same object in Swift. However when you delete it from the container, the latest version is deleted and this is not recoverable, right? Is there any magic to

Re: [Openstack] Question about undo delete in Swift with Object Version

ature as "versioned writes". > > --John > > > On Aug 22, 2012, at 12:13 AM, ZHOU Yuan wrote: > >> Hi stackers, >> >> I'm trying to understand the object version feature in Swift. >> In the current implementation we can store multi-versions of the sa

Re: [Openstack] [Swift] Cache pressure tuning

Jonathan, we happen to use SN similar with yours and I could share you some performance testing data here: 1. 100 container with 1 objects(base) The performance is quite good and can hit HW bottleneck 2. 10kcontainer with 100M objects The performance is not so good, which dropped 80% compared

Re: [Openstack] [Swift] Cache pressure tuning

Jonathan, Yes we have 10,000 containers and we're using COSBench to do the tests. Sincerely, Yuan On Wed, Jun 19, 2013 at 9:24 AM, Jonathan Lu wrote: > Hi, Zhou, > BTW, in test case 2, the number of container is 10,000 or just 10? > > > Jonathan Lu > > On