Repository: cassandra Updated Branches: refs/heads/trunk 1774eb9a8 -> 43139f866
Add a note about new JVM settings for 3.0 in NEWS.TXT patch by tjake; reviewed by jbellis for CASSANDRA-9483 Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/43139f86 Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/43139f86 Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/43139f86 Branch: refs/heads/trunk Commit: 43139f8668e0a524035507efc619cd0e0f06cea9 Parents: 1774eb9 Author: T Jake Luciani <[email protected]> Authored: Fri Jul 31 16:07:28 2015 -0400 Committer: T Jake Luciani <[email protected]> Committed: Fri Jul 31 16:08:50 2015 -0400 ---------------------------------------------------------------------- NEWS.txt | 6 ++++++ 1 file changed, 6 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/cassandra/blob/43139f86/NEWS.txt ---------------------------------------------------------------------- diff --git a/NEWS.txt b/NEWS.txt index 392a581..0e0d7c4 100644 --- a/NEWS.txt +++ b/NEWS.txt @@ -23,9 +23,15 @@ New features for non-primary key queries, and perform much better for indexing high cardinality columns. See http://www.datastax.com/dev/blog/new-in-cassandra-3-0-materialized-views + Upgrading --------- + - 3.0 requires Java 8u20 or later. + - The default JVM GC has been changed to G1GC. + - The default JVM flag -XX:+PerfDisableSharedMem will cause the following tools JVM + to stop working: jps, jstack, jinfo, jmc, jcmd as well as 3rd party tools like Jolokia. + If you wish to use these tools you can comment this flag out in cassandra-env.{sh,ps1} - New write stages have been added for batchlog and materialized view mutations you can set their size in cassandra.yaml - User defined functions are now executed in a sandbox.
