Authors/ChangeLog for 2.25.0
Change-Id: I99d94eb3211ddc337b986f086aac5a4740696ed5
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features:
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WSGI server processes can now notify systemd when they are ready.
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Added a new middleware that allows users and operators to configure
accounts and containers to use RFC-compliant (i.e., double-quoted)
ETags. This may be useful when using Swift as an origin for some content
delivery networks. For more information, see `the middleware documentation
<https://docs.openstack.org/swift/latest/middleware.html#etag-quoter>`__.
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Added ``ttfb`` (Time to First Byte) and ``pid`` (Process ID) to the set
of available proxy-server log fields. For more information, see
`the documentation <https://docs.openstack.org/swift/latest/logs.html>`__.
fixes:
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Improved proxy-server performance by reducing unnecessary locking,
memory copies, and eventlet scheduling.
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Reduced object-replicator and object-reconstructor CPU usage by only
checking that the device list is current when rings change.
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Improved performance of sharded container listings when performing
prefix listings.
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Improved container-sync performance when data has already been
deleted or overwritten.
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Account quotas are now enforced even on empty accounts.
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Getting an SLO manifest with ``?format=raw`` now responds with an ETag
that matches the MD5 of the generated body rather than the MD5 of
the manifest stored on disk.
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Provide useful status codes in logs for some versioning and symlink
subrequests that were previously logged as 499.
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Fixed 500 from cname_lookup middleware. Previously, if the looked-up
domain was used by domain_remap to update the request path, the
server would respond Internal Error.
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On Python 3, fixed an issue when reading or writing objects with a content
type like ``message/*``. Previously, Swift would fail to respond.
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On Python 3, fixed a RecursionError in swift-dispersion-report when
using TLS.
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Fixed a bug in the new object versioning API that would cause more
than ``limit`` results to be returned when listing.
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Various other minor bug fixes and improvements.
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