Added release notes regarding 6.3 to 6.2 downgrades

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Jon Fu 2021-04-16 14:56:05 -04:00
parent e7d4a452e4
commit aba752d12e
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@ -8,6 +8,11 @@ Release Notes
* Fix backup agent stall when writing to local filesystem with slow metadata operations. `(PR #4428) <https://github.com/apple/foundationdb/pull/4428>`_
* Backup agent no longer uses 4k block caching layer on local output files so that write operations are larger. `(PR #4428) <https://github.com/apple/foundationdb/pull/4428>`_
* Fix accounting error that could cause commits to incorrectly fail with ``proxy_memory_limit_exceeded``. `(PR #4529) <https://github.com/apple/foundationdb/pull/4529>`_
* Added support for downgrades from FDB version 6.3. `(PR #4673) <https://github.com/apple/foundationdb/pull/4673>`_
* Restrictions added for 6.3 clusters to maintain compatibility with a 6.2 downgrade. `(PR #4469) <https://github.com/apple/foundationdb/pull/4469>`_
* Downgrades from 6.3 cannot have ``TLogVersion`` greater than V4 (6.2).
* Downgrades from 6.3 cannot use storage engine types that are not ``ssd-1``, ``ssd-2``, or ``memory``.
* Downgrades from 6.3 must not have any key servers serialized with tag encoding. ``TAG_ENCODE_KEY_SERVERS`` must not be set to true at any point in time.
6.2.32
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