119 lines
3.8 KiB
YAML
119 lines
3.8 KiB
YAML
---
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features:
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Added support for Python 3.10.
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Added an optional ``backend_ratelimit`` middleware for backend servers.
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See the backend server sample configuration files for more information.
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Sharding improvements
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* Added a ``merge`` subcommand to ``swift-manage-shard-ranges`` to merge
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arbitrary shard ranges into a container DB. Minimal safety checks
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are performed; it should only be used for emergency shard range
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manipulation by expert users.
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* Warnings are now emitted when sharding appears to have become stuck.
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Use the new ``container_sharding_timeout`` option to configure the
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"stuck" threshold; the default is 48 hours.
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Metrics improvements
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* Added timing stats for memcached operations.
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* Renamed and improved the granularity of shard range cache and
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backend stats. Metrics dashboards may need to be updated.
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* Emit stats when backend nodes are error-limited.
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Added the ability to configure a chance to skip checking memcache when
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querying account and container information. This allows some fraction
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of traffic to go to disk and refresh memcache before the key ages out.
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Recommended values for the new ``account_existence_skip_cache_pct`` and
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``container_existence_skip_cache_pct`` options are in the range of
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0.0 to 0.01.
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Absolute-form request targets are now accepted. This enables access for
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certain clients and SDKs (including some older versions of rclone that
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were using an old version of aws-sdk-go).
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upgrade:
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Static large object segments may now be deleted asynchronously by
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default. Operators may return to the old behavior by disabling the
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``allow_async_delete`` option in the ``[filter:slo]`` section
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in their proxy-server.conf.
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security:
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Fixed a security issue in how ``s3api`` handles XML parsing that allowed
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authenticated S3 clients to read arbitrary files from proxy servers.
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Refer to `CVE-2022-47950 <https://cve.circl.lu/cve/CVE-2022-47950>`__
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for more information.
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fixes:
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S3 API improvements
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* Fixed a server error when handling malformed CompleteMultipartUpload
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requests.
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* Improved error reporting when attempting to set invalid ``X-Delete-At``
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or ``X-Delete-After`` values via the S3 API.
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Sharding improvements
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* Sync more shard ranges from the root database to the shards. This
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helps ensure shard range repairs effected at the root make their way
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to shards that would otherwise be stuck trying to further divide
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into sub-shards.
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* Improved performance of ``delimiter`` listings for sharded containers.
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* Added more safety checks to the ``repair`` subcommand of
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``swift-manage-shard-ranges``.
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* Better handle ``EOFError`` and ``KeyboardInterrupt`` when prompting for
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input in ``swift-manage-shard-ranges``.
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* Stop warning about transient overlaps when auditing shard ranges.
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Fixed a path-rewriting bug introduced in Python 3.7.14, 3.8.14, 3.9.14,
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and 3.10.6 that could cause some ``domain_remap`` requests to be routed to
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the wrong object.
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Fixed a server error when attempting to access data in a deleted
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container that had an erasure-coded storage policy.
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Improved error messages to clients that encounter errors using the
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``formpost`` middleware.
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Removed some inappropriate error-suppression when locking account and
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container databases.
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Improved server start-up time when using multiple workers.
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Removed some unnecessary locking when logging.
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Added some basic object-metadata validation; invalid diskfiles will be
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quarantined via the auditor or reconstructor.
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Enhanced logging when error-limiting a backend node.
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Various other minor bug fixes and improvements.
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