| commit | 159c254a4844289a89d8183277790b7a5814a909 | [log] [tgz] |
|---|---|---|
| author | Michael Polenchuk <mpolenchuk@mirantis.com> | Sat Jun 09 15:31:51 2018 +0400 |
| committer | Michael Polenchuk <mpolenchuk@mirantis.com> | Wed Jun 13 11:36:26 2018 +0400 |
| tree | 6f9edab57e14a37dec3b82f8f4e836c521cf24cf | |
| parent | 4a83ddb91d144e6bb55e8b4a8ac33e1a8d62d44c [diff] |
Handle nova image preallocation mode Image preallocation allows storage to be fully allocated at instance start. This should significantly improve performance on writes to new blocks and may even improve I/O performance to prewritten blocks due to reduced fragmentation. Change-Id: Ic285d6bc07dcee65db2dffca9d2730705761121c