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Add 6.2.27 release note for ~DataDistributionTracker slow task fix

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sfc-gh-tclinkenbeard 2020-10-08 09:10:26 -07:00
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documentation/sphinx/source/release-notes/release-notes-620.rst
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Release Notes
#############
6.2.27
======
Fixes
-----
* For clusters with a large number of shards, avoid slow tasks in the data distributor by adding yields to the shard map destruction. `(PR #3834) <https://github.com/apple/foundationdb/pull/3834>`_
6.2.26
======
* Attempt to detect when calling :func:`fdb_future_block_until_ready` would cause a deadlock, and throw ``blocked_from_network_thread`` if it would definitely cause a deadlock.