Merge branch 'release/0.4'

.version

@@ -1 +1 @@
-0.4.2
+0.4.3

README.md

@@ -27,7 +27,7 @@ Concourse runs on Java 1.7.
 
 #### Versioning
 
-This is version 0.4.2 of Concourse.
+This is version 0.4.3 of Concourse.
 
 Concourse will be maintained under the [Semantic Versioning](http://semver.org)
 guidelines such that release versions will be formatted as `<major>.<minor>.<patch>`

concourse-integration-tests/src/test/java/org/cinchapi/concourse/CachedConnectionPoolTest.java

@@ -28,7 +28,7 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import com.beust.jcommander.internal.Lists;
+import com.google.common.collect.Lists;
 
 /**
  * Unit tests for {@link CachedConnectionPool}.

concourse-integration-tests/src/test/java/org/cinchapi/concourse/ConcourseIntegrationTest.java

@@ -100,6 +100,8 @@ protected void failed(Throwable t, Description description) {
             System.out.println("---");
             System.out.println(Variables.dump());
             System.out.println("");
+            stop();
+            afterEachTest();
         }
 
         @Override

concourse-server/conf/.concourse.conf

@@ -76,6 +76,9 @@ wrapper.java.additional.2=-Dcom.sun.management.jmxremote.port=9010
 wrapper.java.additional.3=-Dcom.sun.management.jmxremote.local.only=false
 wrapper.java.additional.4=-Dcom.sun.management.jmxremote.authenticate=false
 wrapper.java.additional.5=-Dcom.sun.management.jmxremote.ssl=false
+wrapper.java.additional.6=-XX:+UseThreadPriorities
+wrapper.java.additional.7=-XX:ThreadPriorityPolicy=42
+wrapper.java.additional.8=-XX:CompileThreshold=500
 
 # Initial Java Heap Size (in MB)
 wrapper.java.initmemory=512

concourse-server/conf/concourse.prefs

@@ -9,10 +9,9 @@
 # DEFAULT: {$user.home}/concourse/buffer
 #buffer_directory = /var/lib/concourse/buffer
 
-# The size for each page in the Buffer. During reads, Buffer pages are
-# individually locked, so it is desirable to have several smaller  pages as
-# opposed to few larger ones. Nevertheless, be sure to balance the desire to
-# maximize lock granularity with the risks of having too many open buffer files
+# The size for each page in the Buffer. It is generally desirable to have
+# several smaller pages in the Buffer to maximize read and indexing throughput
+# but this should be baanced with the risks of having too many open buffer files
 # which may lead to more frequent and less efficient disk I/O.
 #
 # DEFAULT: 8KB
@@ -33,7 +32,7 @@
 
 # The default environment that is automatically loaded when the server
 # starts and is used whenever a client does not specify an environment 
-# for a connection.
+# when connecting.
 #default_environment = default
 
 # Determine whether log messages should also be printed to the console (STDOUT)
@@ -49,6 +48,17 @@
 # the initial and maximum heap sizes to the specified value, so there
 # must be enough system memory available for Concourse Server to start.
 #
+# Be careful and avoid setting the heap size too large because this may 
+# cause longer garbage collection (gc) pauses or interfere with the ability 
+# of Concourse Server to memory map (mmap) certain data files. We 
+# recommend the following sizing guidelines:
+# 
+# SYSTEM MEMORY    | Recommended heap_size
+# -----------------------------------------------------------
+# Less than 2GB    | 1/2 system memory
+# 2GB to 4GB       | 1GB
+# Greater than 4GB | 1/4 system memory, but not more than 8GB
+#
 # DEFAULT: 1GB
 #heap_size = 1GB
 

concourse-server/launch/Start Concourse.launch

@@ -7,10 +7,11 @@
 <listEntry value="1"/>
 </listAttribute>
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
-<listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
+<listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 </listAttribute>
+<booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_START_ON_FIRST_THREAD" value="true"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.cinchapi.concourse.server.ConcourseServer"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="concourse-server"/>
-<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Declipse=true -Xms512m -Xmx1024m -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9010 -Dcom.sun.management.jmxremote.local.only=true -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Declipse=true -Xms512m -Xmx1024m -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9010 -Dcom.sun.management.jmxremote.local.only=true -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -XX:+UseThreadPriorities -XX:ThreadPriorityPolicy=42 -XX:CompileThreshold=500"/>
 </launchConfiguration>