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Mention dbcache memory changes in 0.14.1 release notes

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Suhas Daftuar 2017-04-11 09:28:07 -04:00
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doc/release-notes.md
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@ -50,6 +50,24 @@ activate at a time when no segwit transactions could be included.
Since many miners are now including the segwit commitment this concern
no longer applies.
UTXO memory accounting
----------------------
Memory usage for the UTXO cache is being calculated more accurately, so that
the configured limit (`-dbcache`) will be respected when memory usage peaks
during cache flushes. The memory accounting in prior releases is estimated to
only account for half the actual peak utilization.
The default `-dbcache` has also been changed in this release to 450MiB. Users
who currently set `-dbcache` to a high value (e.g. to keep the UTXO more fully
cached in memory) should consider increasing this setting in order to achieve
the same cache performance as prior releases. Users on low-memory systems
(such as systems with 1GB or less) should consider specifying a lower value for
this parameter.
Additional information relating to running on low-memory systems can be found
here:
[reducing-bitcoind-memory-usage.md](https://gist.github.com/laanwj/efe29c7661ce9b6620a7).
0.14.1 Change log
=================