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Posted to commits@cassandra.apache.org by sn...@apache.org on 2017/03/01 10:08:29 UTC
[3/6] cassandra git commit: Remove offheap_buffer as option for
memtable_allocation_type in cassandra.yaml
Remove offheap_buffer as option for memtable_allocation_type in cassandra.yaml
patch by Brad Vernon; reviewed by Robert Stupp for CASSANDRA-13179
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/873660cf
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/873660cf
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/873660cf
Branch: refs/heads/trunk
Commit: 873660cf58cabb3942dfd4dc9c270d27b90a54ce
Parents: 56d3f93
Author: Brad Vernon <br...@datastax.com>
Authored: Wed Mar 1 11:05:33 2017 +0100
Committer: Robert Stupp <sn...@snazy.de>
Committed: Wed Mar 1 11:05:33 2017 +0100
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CHANGES.txt | 1 +
conf/cassandra.yaml | 6 +++++-
2 files changed, 6 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/cassandra/blob/873660cf/CHANGES.txt
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diff --git a/CHANGES.txt b/CHANGES.txt
index a63bd12..2289334 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
3.0.12
+ * Update c.yaml doc for offheap memtables (CASSANDRA-13179)
* Faster StreamingHistogram (CASSANDRA-13038)
* Legacy deserializer can create unexpected boundary range tombstones (CASSANDRA-13237)
* Remove unnecessary assertion from AntiCompactionTest (CASSANDRA-13070)
http://git-wip-us.apache.org/repos/asf/cassandra/blob/873660cf/conf/cassandra.yaml
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diff --git a/conf/cassandra.yaml b/conf/cassandra.yaml
index 790dfd7..61d3844 100644
--- a/conf/cassandra.yaml
+++ b/conf/cassandra.yaml
@@ -397,7 +397,11 @@ concurrent_materialized_view_writes: 32
# Specify the way Cassandra allocates and manages memtable memory.
# Options are:
# heap_buffers: on heap nio buffers
-# offheap_buffers: off heap (direct) nio buffers
+#
+# Note: offheap_buffers are not supported in Cassandra 3.0 - 3.3.
+# They have been re-introduced in Cassandra 3.4. For details see
+# https://issues.apache.org/jira/browse/CASSANDRA-9472 and
+# https://issues.apache.org/jira/browse/CASSANDRA-11039
memtable_allocation_type: heap_buffers
# Total space to use for commit logs on disk.