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authorErlang/OTP <otp@erlang.org>2011-12-12 18:14:34 +0100
committerErlang/OTP <otp@erlang.org>2011-12-12 18:14:34 +0100
commitb92ea63417bc6933393a3c285faf393b3d287ac2 (patch)
treed1c474aa16fb8068f7331e62fce131f5b02afeba /lib/mnesia/doc
parentceb98f28568ed42a0d31a76ff4a2f0171a77bda8 (diff)
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-rw-r--r--lib/mnesia/doc/src/notes.xml56
1 files changed, 55 insertions, 1 deletions
diff --git a/lib/mnesia/doc/src/notes.xml b/lib/mnesia/doc/src/notes.xml
index 1bb80f8fe3..a300fcc12d 100644
--- a/lib/mnesia/doc/src/notes.xml
+++ b/lib/mnesia/doc/src/notes.xml
@@ -38,7 +38,61 @@
thus constitutes one section in this document. The title of each
section is the version number of Mnesia.</p>
- <section><title>Mnesia 4.5.1</title>
+ <section><title>Mnesia 4.6</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Reduce calls to phash in key_to_frag_number</p>
+ <p>
+ Original code calls phash 1..2 times, based on which
+ fragment the hashed key targets and how many fragments
+ exist. New code always calls phash only once.</p>
+ <p>
+ Add mnesia_frag_hash test (Thanks to Philip Robinson)</p>
+ <p>
+ Own Id: OTP-9722</p>
+ </item>
+ <item>
+ <p>
+ Fixed a sticky lock bug which caused mnesia:read(Tab,
+ Key, write) return undefined.</p>
+ <p>
+ Own Id: OTP-9786</p>
+ </item>
+ <item>
+ <p>
+ Use the synchronous log_terms instead of alog_terms in
+ mnesia_log:ets2dcd()</p>
+ <p>
+ This avoids the situation where mnesia could dump a very
+ large ets table in its entirety into the message queue of
+ the disk_log process, causing memory blowup and choking
+ the disk logger. (Thanks to Richard Carlsson)</p>
+ <p>
+ Own Id: OTP-9804</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Implemented a new option to mnesia:create_table/2 which
+ allows the user to assign 'ets' and 'dets' options not
+ available in mnesia.</p>
+ <p>
+ Own Id: OTP-8970</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Mnesia 4.5.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>