swift/releasenotes/notes/2_10_0_release-666a76f4975657a5.yaml
John Dickinson 6bf63d85a7 authors/changelog updates for 2.10.0
Added reno releasenotes file.

Change-Id: Ia14875b992aabaf452242b74e9358cfd884adbcc
2016-09-23 13:43:01 -07:00

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---
features:
- >
Object versioning now supports a "history" mode in addition to
the older "stack" mode. The difference is in how DELETE requests
are handled. For full details, please read
http://docs.openstack.org/developer/swift/overview_object_versioning.html.
- >
New config variables to change the schedule priority and I/O
scheduling class. Servers and daemons now understand
`nice_priority`, `ionice_class`, and `ionice_priority` to
schedule their relative importance. Please read
http://docs.openstack.org/developer/swift/deployment_guide.html
for full config details.
- >
On newer kernels (3.15+ when using xfs), Swift will use the O_TMPFILE
flag when opening a file instead of creating a temporary file
and renaming it on commit. This makes the data path simpler and
allows the filesystem to more efficiently optimize the files on
disk, resulting in better performance.
- >
Erasure code GET performance has been significantly
improved in clusters that are not completely healthy.
- >
Significant improvements to the api-ref doc available at
http://developer.openstack.org/api-ref/object-storage/.
- >
A PUT or POST to a container will now update the container's
Last-Modified time, and that value will be included in a
GET/HEAD response.
- >
Include object sysmeta in POST responses. Sysmeta is still
stripped from the response before being sent to the client, but
this allows middleware to make use of the information.
upgrade:
- >
Update dnspython dependency to 1.14, removing the need to have
separate dnspython dependencies for Py2 and Py3.
- >
Deprecate swift-temp-url and call python-swiftclient's
implementation instead. This adds python-swiftclient as an
optional dependency of Swift.
- >
Moved other-requirements.txt to bindep.txt. bindep.txt lists
non-python dependencies of Swift.
fixes:
- >
Fixed a bug where a container listing delimiter wouldn't work
with encryption.
- >
Fixed a bug where some headers weren't being copied correctly
in a COPY request.
- >
Container sync can now copy SLOs more efficiently by allowing
the manifest to be synced before all of the referenced segments.
This fixes a bug where container sync would not copy SLO manifests.
- Fixed a bug where some tombstone files might never be reclaimed.
other:
- Various other minor bug fixes and improvements.