Author: jbellis
Date: Fri Oct 7 18:24:41 2011
New Revision: 1180133
URL: http://svn.apache.org/viewvc?rev=1180133&view=rev
Log:
update NEWS
Modified:
cassandra/branches/cassandra-1.0.0/NEWS.txt
Modified: cassandra/branches/cassandra-1.0.0/NEWS.txt
URL:
http://svn.apache.org/viewvc/cassandra/branches/cassandra-1.0.0/NEWS.txt?rev=1180133&r1=1180132&r2=1180133&view=diff
==============================================================================
--- cassandra/branches/cassandra-1.0.0/NEWS.txt (original)
+++ cassandra/branches/cassandra-1.0.0/NEWS.txt Fri Oct 7 18:24:41 2011
@@ -3,6 +3,12 @@
Upgrading
---------
+ - Upgrading from version 0.7.1+ or 0.8.2+ can be done with a rolling
+ restart, one node at a time. (0.8.0 or 0.8.1 are NOT network-compatible
+ with 1.0: upgrade to the most recent 0.8 release first.)
+ You do not need to bring down the whole cluster at once.
+ - After upgrading, run nodetool scrub against each node before running
+ repair, moving nodes, or adding new ones.
- CQL inserts/updates now generate microsecond resolution timestamps
by default, instead of millisecond. THIS MEANS A ROLLING UPGRADE COULD
MIX milliseconds and microseconds, with clients talking to servers
@@ -19,9 +25,9 @@ Upgrading
- CQL types bytea and date were renamed to blob and timestamp,
respectively,
to conform with SQL norms. CQL type int is now a 4-byte int, not 8
(which is still available as bigint).
- - Cassandra 1.0 uses arena allocation to reduce old generation
fragmentation.
- This means there is a minimum overhead of 1MB per ColumnFamily plus
- 1MB per index.
+ - Cassandra 1.0 uses arena allocation to reduce old generation
+ fragmentation. This means there is a minimum overhead of 1MB
+ per ColumnFamily plus 1MB per index.
- The SimpleAuthenticator and SimpleAuthority classes have been moved to
the example directory (and are thus not available from the binary
distribution). They never provided actual security and in their current
