Author: jbellis
Date: Tue Dec 27 20:26:48 2011
New Revision: 1225002
URL: http://svn.apache.org/viewvc?rev=1225002&view=rev
Log:
update CHANGES, NEWS
Modified:
cassandra/trunk/CHANGES.txt
cassandra/trunk/NEWS.txt
Modified: cassandra/trunk/CHANGES.txt
URL:
http://svn.apache.org/viewvc/cassandra/trunk/CHANGES.txt?rev=1225002&r1=1225001&r2=1225002&view=diff
==============================================================================
--- cassandra/trunk/CHANGES.txt (original)
+++ cassandra/trunk/CHANGES.txt Tue Dec 27 20:26:48 2011
@@ -1,4 +1,5 @@
1.1-dev
+ * add row-level isolation via SnapTree (CASSANDRA-2893)
* Optimize key count estimation when opening sstable on startup
(CASSANDRA-2988)
* multi-dc replication optimization supporting CL > ONE (CASSANDRA-3577)
Modified: cassandra/trunk/NEWS.txt
URL:
http://svn.apache.org/viewvc/cassandra/trunk/NEWS.txt?rev=1225002&r1=1225001&r2=1225002&view=diff
==============================================================================
--- cassandra/trunk/NEWS.txt (original)
+++ cassandra/trunk/NEWS.txt Tue Dec 27 20:26:48 2011
@@ -35,6 +35,14 @@ Upgrading
and row_cache_{size_in_mb, save_period} in conf/cassandra.yaml are
used instead of per-ColumnFamily options.
+Features
+--------
+ - Cassandra 1.1 adds row-level isolation. Multi-column updates to
+ a single row have always been *atomic* (either all will be applied,
+ or none) thanks to the CommitLog, but until 1.1 they were not *isolated*
+ -- a reader may see mixed old and new values while the update happens.
+
+
1.0.6
=====
