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authorErlang/OTP <[email protected]>2018-02-12 13:38:43 +0100
committerErlang/OTP <[email protected]>2018-02-12 13:38:43 +0100
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parent3162499ddc48d4ce877945775f084725ceab57c5 (diff)
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Update release notes
Diffstat (limited to 'erts/doc/src')
-rw-r--r--erts/doc/src/notes.xml42
1 files changed, 42 insertions, 0 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 39dd90b8a0..f62788d2d8 100644
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+++ b/erts/doc/src/notes.xml
@@ -31,6 +31,48 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 9.2.1</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Improve search algorithm of abandoned memory carriers.
+ Instead of limited linear search, each allocator instance
+ maintain a balanced search tree of all its abandoned
+ carriers for faster and more exhaustive search.</p>
+ <p>
+ Own Id: OTP-14915 Aux Id: ERIERL-88 </p>
+ </item>
+ <item>
+ <p>
+ New erts_alloc command line options <c>+M_acnl</c> and
+ <c>+M_acfml</c> to limit carrier abandonment.</p>
+ <p>
+ Own Id: OTP-14916 Aux Id: ERIERL-88 </p>
+ </item>
+ <item>
+ <p>
+ New family of <c>erts_alloc</c> strategies: Age Order
+ First Fit. Similar to "address order", but instead the
+ oldest possible carrier is always chosen for allocation.</p>
+ <p>
+ Own Id: OTP-14917 Aux Id: ERIERL-88 </p>
+ </item>
+ <item>
+ <p>
+ Add possibility to change allocator options at runtime
+ with <c>system_info(erts_alloc, ...)</c>. Only option
+ <c>sbct</c> (single block carrier threshold) is currently
+ supported via this interface.</p>
+ <p>
+ Own Id: OTP-14918 Aux Id: ERIERL-88 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 9.2</title>
<section><title>Fixed Bugs and Malfunctions</title>