You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@cassandra.apache.org by jb...@apache.org on 2013/05/16 22:37:44 UTC
[2/2] git commit: update NEWS for JEMalloc
update NEWS for JEMalloc
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/c94bc106
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/c94bc106
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/c94bc106
Branch: refs/heads/trunk
Commit: c94bc106e9bf2e38a3e73a5f790e49bca0084474
Parents: 439ce7e
Author: Jonathan Ellis <jb...@apache.org>
Authored: Thu May 16 15:37:37 2013 -0500
Committer: Jonathan Ellis <jb...@apache.org>
Committed: Thu May 16 15:37:37 2013 -0500
----------------------------------------------------------------------
NEWS.txt | 1 +
conf/cassandra.yaml | 6 ++++--
2 files changed, 5 insertions(+), 2 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/cassandra/blob/c94bc106/NEWS.txt
----------------------------------------------------------------------
diff --git a/NEWS.txt b/NEWS.txt
index f231df4..7116a6b 100644
--- a/NEWS.txt
+++ b/NEWS.txt
@@ -59,6 +59,7 @@ Features
--------
- Alias support has been added to CQL3 SELECT statement. Refer to
CQL3 documentation (http://cassandra.apache.org/doc/cql3/CQL.html) for details.
+ - JEMalloc support (see memory_allocator in cassandra.yaml)
1.2.5
http://git-wip-us.apache.org/repos/asf/cassandra/blob/c94bc106/conf/cassandra.yaml
----------------------------------------------------------------------
diff --git a/conf/cassandra.yaml b/conf/cassandra.yaml
index ed32572..214b14a 100644
--- a/conf/cassandra.yaml
+++ b/conf/cassandra.yaml
@@ -188,8 +188,10 @@ row_cache_save_period: 0
# Defaults to SerializingCacheProvider
row_cache_provider: SerializingCacheProvider
-# The pluggable memory allocation for off-heap row cache, Experiments show that JEMAlloc
-# saves some memory than the native GCC allocator.
+# The off-heap memory allocator. Affects storage engine metadata as
+# well as caches. Experiments show that JEMAlloc saves some memory
+# than the native GCC allocator (i.e., JEMalloc is more
+# fragmentation-resistant).
#
# Supported values are: NativeAllocator, JEMallocAllocator
#