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From jbel...@apache.org
Subject [1/3] git commit: Increase default CL space to 8GB patch by Benedict Elliott Smith; tested by Ryan McGuire and reviewed by jbellis for CASSANDRA-7031
Date Wed, 23 Apr 2014 12:26:02 GMT
Repository: cassandra
Updated Branches:
  refs/heads/cassandra-2.1 13910dc40 -> b3a225ef1
  refs/heads/trunk c7d604bdf -> 7e27b55fd


Increase default CL space to 8GB
patch by Benedict Elliott Smith; tested by Ryan McGuire and reviewed by jbellis for CASSANDRA-7031


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/b3a225ef
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/b3a225ef
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/b3a225ef

Branch: refs/heads/cassandra-2.1
Commit: b3a225ef101d8ac2de183279843f94a54a38c907
Parents: 13910dc
Author: Jonathan Ellis <jbellis@apache.org>
Authored: Wed Apr 23 07:25:35 2014 -0500
Committer: Jonathan Ellis <jbellis@apache.org>
Committed: Wed Apr 23 07:25:35 2014 -0500

----------------------------------------------------------------------
 CHANGES.txt                                                  | 1 +
 conf/cassandra.yaml                                          | 4 ++--
 src/java/org/apache/cassandra/config/DatabaseDescriptor.java | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/b3a225ef/CHANGES.txt
----------------------------------------------------------------------
diff --git a/CHANGES.txt b/CHANGES.txt
index 07fc3f9..211e55c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 2.1.0-beta2
+ * Increase default CL space to 8GB (CASSANDRA-7031)
  * Add range tombstones to read repair digests (CASSANDRA-6863)
  * Fix BTree.clear for large updates (CASSANDRA-6943)
  * Fail write instead of logging a warning when unable to append to CL

http://git-wip-us.apache.org/repos/asf/cassandra/blob/b3a225ef/conf/cassandra.yaml
----------------------------------------------------------------------
diff --git a/conf/cassandra.yaml b/conf/cassandra.yaml
index 20bda79..8ed796b 100644
--- a/conf/cassandra.yaml
+++ b/conf/cassandra.yaml
@@ -287,13 +287,13 @@ memtable_allocation_type: heap_buffers
 
 # Total space to use for commitlogs.  Since commitlog segments are
 # mmapped, and hence use up address space, the default size is 32
-# on 32-bit JVMs, and 1024 on 64-bit JVMs.
+# on 32-bit JVMs, and 8192 on 64-bit JVMs.
 #
 # If space gets above this value (it will round up to the next nearest
 # segment multiple), Cassandra will flush every dirty CF in the oldest
 # segment and remove it.  So a small total commitlog space will tend
 # to cause more flush activity on less-active columnfamilies.
-# commitlog_total_space_in_mb: 4096
+# commitlog_total_space_in_mb: 8192
 
 # This sets the amount of memtable flush writer threads.  These will
 # be blocked by disk io, and each one will hold a memtable in memory

http://git-wip-us.apache.org/repos/asf/cassandra/blob/b3a225ef/src/java/org/apache/cassandra/config/DatabaseDescriptor.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/config/DatabaseDescriptor.java b/src/java/org/apache/cassandra/config/DatabaseDescriptor.java
index 9f8a0df..ef2c4fc 100644
--- a/src/java/org/apache/cassandra/config/DatabaseDescriptor.java
+++ b/src/java/org/apache/cassandra/config/DatabaseDescriptor.java
@@ -187,7 +187,7 @@ public class DatabaseDescriptor
         }
 
         if (conf.commitlog_total_space_in_mb == null)
-            conf.commitlog_total_space_in_mb = hasLargeAddressSpace() ? 1024 : 32;
+            conf.commitlog_total_space_in_mb = hasLargeAddressSpace() ? 8192 : 32;
 
         /* evaluate the DiskAccessMode Config directive, which also affects indexAccessMode
selection */
         if (conf.disk_access_mode == Config.DiskAccessMode.auto)


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