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Update CHANGES and release note [GL #4038]

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Mention that memory usage was reduced by allocating properly sized
send buffers for stream-based transports.

(cherry picked from commit 8672d54847)
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Artem Boldariev 2023-06-02 12:49:15 +03:00 committed by Ondřej Surý
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commit 2c145b1862
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CHANGES
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@ -1,3 +1,7 @@
6188. [performance] Reduce memory consumption by allocating properly
sized send buffers for stream-based transports.
[GL #4038]
6185. [func] Add "ClientQuota" statistics channel counter, which
indicates the number of the resolver's spilled queries
due to reaching the clients per query quota. [GL !7978]

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doc/notes/notes-current.rst
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@ -48,6 +48,10 @@ Bug Fixes
a delegation from cache was returned to the client. This has now been fixed.
:gl:`#3950`
- BIND could allocate too big buffers when sending data via
stream-based DNS transports, leading to increased memory usage.
This has been fixed. :gl:`#4038`
Known Issues
~~~~~~~~~~~~