Adding a utility script to add the appropriate jar files to

the classpath and pass some flags to JVM.

bin/ycsb.sh

@@ -0,0 +1,125 @@
+#! /usr/bin/env bash
+
+# Set the YCSB specific environment. Adds all the required libraries to the class path.
+
+# Copyright (c) 2010 Yahoo! Inc. All rights reserved.                                                                                                                             
+# *                                                                                                                                                                                 
+# * Licensed under the Apache License, Version 2.0 (the "License"); you                                                                                                             
+# * may not use this file except in compliance with the License. You                                                                                                                
+# * may obtain a copy of the License at                                                                                                                                             
+# *                                                                                                                                                                                 
+# * http://www.apache.org/licenses/LICENSE-2.0                                                                                                                                      
+# *                                                                                                                                                                                 
+# * Unless required by applicable law or agreed to in writing, software                                                                                                             
+# * distributed under the License is distributed on an "AS IS" BASIS,                                                                                                               
+# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or                                                                                                                 
+# * implied. See the License for the specific language governing                                                                                                                    
+# * permissions and limitations under the License. See accompanying                                                                                                                 
+# * LICENSE file. 
+#
+
+# The Java implementation to use. This is required.
+#export JAVA_HOME=
+
+# Any JVM options to pass.
+#export YCSB_OPTS="-Djava.compiler=NONE"
+
+# YCSB client heap size.
+#export YCSB_HEAP_SIZE=500
+
+this=`dirname "$0"`
+this=`cd "$this"; pwd`
+
+while [ -h "$this" ]; do
+  ls=`ls -ld "$this"`
+  link=`expr "$ls" : '.*-> \(.*\)$'`
+  if expr "$link" : '.*/.*' > /dev/null; then
+    this="$link"
+  else
+    this=`dirname "$this"`/"$link"
+  fi
+done
+
+bin=`dirname "$this"`
+script=`basename "$this"`
+bin=`cd "$bin"; pwd`
+this="$bin/$script"
+
+# the root of the Hadoop installation
+export YCSB_HOME=`dirname "$this"`
+
+echo "YCSB_HOME $YCSB_HOME"
+
+cygwin=false
+case "`uname`" in
+CYGWIN*) cygwin=true;;
+esac
+
+# if no args specified, show usage
+if [ $# = 0 ]; then
+  echo "Usage: ycsb CLASSNAME"
+  echo "where CLASSNAME is the name of the class to run"
+  echo "The jar file for the class must be in bin, build, lib, or db/*/lib."
+  exit 1
+fi
+
+# get arguments
+COMMAND=$1
+shift
+
+JAVA=""
+if [ "$JAVA_HOME" != "" ]; then
+  JAVA=$JAVA_HOME/bin/java
+else
+  echo "JAVA_HOME must be set."
+  exit 1
+fi
+
+JAVA_HEAP_MAX=-Xmx500m
+# check envvars which might override default args
+if [ "$YCSB_HEAP_SIZE" != "" ]; then
+  JAVA_HEAP_MAX="-Xmx""$YCSB_HEAP_SIZE""m"
+fi
+
+# Set the classpath.
+
+if [ "$CLASSPATH" != "" ]; then
+  CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar
+else
+  CLASSPATH=$JAVA_HOME/lib/tools.jar
+fi
+
+# so that filenames w/ spaces are handled correctly in loops below
+IFS=
+
+for f in $YCSB_HOME/build/*.jar; do
+  CLASSPATH=${CLASSPATH}:$f
+done
+
+for f in $YCSB_HOME/lib/*.jar; do
+  CLASSPATH=${CLASSPATH}:$f
+done
+
+for f in $YCSB_HOME/db/*; do
+  if [ -d $f ]; then
+    for j in $f/lib/*.jar; do
+      CLASSPATH=${CLASSPATH}:$j
+    done
+  fi
+done
+
+#echo "CLASSPATH=$CLASSPATH"
+
+# restore ordinary behavior
+unset IFS
+
+CLASS=$COMMAND
+
+# cygwin path translation
+if $cygwin; then
+  CLASSPATH=`cygpath -p -w "$CLASSPATH"`
+  YCSB_HOME=`cygpath -w "$YCSB_HOME"`
+fi
+
+#echo "Executing command $CLASS with options $JAVA_HEAP_MAX $YCSB_OPTS $CLASS $@"
+exec "$JAVA" $JAVA_HEAP_MAX $YCSB_OPTS -classpath "$CLASSPATH" $CLASS "$@"