Re: [openstack-dev] [Swift] Increase Swift ring partition power

2013-12-03 Thread Christian Schwede
Am 02.12.13 17:10, schrieb Gregory Holt: On Dec 2, 2013, at 9:48 AM, Christian Schwede christian.schw...@enovance.com wrote: That sounds great! Is someone already working on this (I know about the ongoing DiskFile refactoring) or even a blueprint available? There is

[openstack-dev] [Swift] Increase Swift ring partition power

2013-12-02 Thread Christian Schwede
Hello together, I'd like to discuss a way to increase the partition power of an existing Swift cluster. This is most likely interesting for smaller clusters that are growing beyond their original planed size. As discussed earlier [1] a rehashing is required after changing the partition power to

Re: [openstack-dev] [Swift] Increase Swift ring partition power

2013-12-02 Thread Gregory Holt
On Dec 2, 2013, at 5:19 AM, Christian Schwede christian.schw...@enovance.com wrote: I'd like to discuss a way to increase the partition power of an existing Swift cluster. Achieving this transparently is part of the ongoing plans, starting with things like the DiskFile refactoring and SSync.

Re: [openstack-dev] [Swift] Increase Swift ring partition power

2013-12-02 Thread Christian Schwede
Am 02.12.13 15:47, schrieb Gregory Holt: Achieving this transparently is part of the ongoing plans, starting with things like the DiskFile refactoring and SSync. The idea is to isolate the direct disk access from other servers/tools, something that (for instance) RSync has today. Once the

Re: [openstack-dev] [Swift] Increase Swift ring partition power

2013-12-02 Thread Gregory Holt
On Dec 2, 2013, at 9:48 AM, Christian Schwede christian.schw...@enovance.com wrote: That sounds great! Is someone already working on this (I know about the ongoing DiskFile refactoring) or even a blueprint available? There is https://blueprints.launchpad.net/swift/+spec/ring-doubling though