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From bened...@apache.org
Subject [2/6] git commit: ninja fix cassandra.yaml missing memtable_(off)?heap_size_in_mb
Date Thu, 21 Aug 2014 01:53:50 GMT
ninja fix cassandra.yaml missing memtable_(off)?heap_size_in_mb


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/af646fb7
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/af646fb7
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/af646fb7

Branch: refs/heads/cassandra-2.1.0
Commit: af646fb759eda76e3bd82f1a7beff7bf49a2654a
Parents: c4191ed
Author: Benedict Elliott Smith <benedict@apache.org>
Authored: Thu Aug 21 08:52:40 2014 +0700
Committer: Benedict Elliott Smith <benedict@apache.org>
Committed: Thu Aug 21 08:52:40 2014 +0700

----------------------------------------------------------------------
 conf/cassandra.yaml | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/af646fb7/conf/cassandra.yaml
----------------------------------------------------------------------
diff --git a/conf/cassandra.yaml b/conf/cassandra.yaml
index 0299d75..060be64 100644
--- a/conf/cassandra.yaml
+++ b/conf/cassandra.yaml
@@ -276,10 +276,12 @@ concurrent_counter_writes: 32
 # the smaller of 1/4 of heap or 512MB.
 # file_cache_size_in_mb: 512
 
-# Total memory to use for memtables.  Cassandra will flush the largest
-# memtable when this much memory is used.
-# If omitted, Cassandra will set it to 1/4 of the heap.
-# memtable_total_space_in_mb: 2048
+# Total permitted memory to use for memtables. Cassandra will stop 
+# accepting writes when the limit is exceeded until a flush completes,
+# and will trigger a flush based on memtable_cleanup_threshold
+# If omitted, Cassandra will set both to 1/4 the size of the heap.
+# memtable_heap_space_in_mb: 2048
+# memtable_offheap_space_in_mb: 2048
 
 # Ratio of occupied non-flushing memtable size to total permitted size
 # that will trigger a flush of the largest memtable.  Lager mct will
@@ -288,7 +290,7 @@ concurrent_counter_writes: 32
 # under heavy write load.
 #
 # memtable_cleanup_threshold defaults to 1 / (memtable_flush_writers + 1)
-#memtable_cleanup_threshold: 0.11
+# memtable_cleanup_threshold: 0.11
 
 # Specify the way Cassandra allocates and manages memtable memory.
 # Options are:


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