Lohit did some work on making YCSB run on a bunch of machines in a coordinated manner. Plus fixed some limits in how many zk connections/threads can run inside one process. See http://github.com/lohitvijayarenu/YCSB
I believe that code also has a data-verification option to ensure that a * get* reads what was written and not something else. On Wed, Aug 3, 2011 at 3:10 AM, praveenesh kumar <praveen...@gmail.com>wrote: > Hi, > > Anyone working on YCSB (Yahoo Cloud Service Benchmarking) for HBase ?? > > I am trying to run it, its giving me error: > > $ java -cp build/ycsb.jar com.yahoo.ycsb.CommandLine -db > com.yahoo.ycsb.db.HBaseClient > > YCSB Command Line client > Type "help" for command line help > Start with "-help" for usage info > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/hadoop/conf/Configuration > at java.lang.Class.getDeclaredConstructors0(Native Method) > at java.lang.Class.privateGetDeclaredConstructors(Class.java:2406) > at java.lang.Class.getConstructor0(Class.java:2716) > at java.lang.Class.newInstance0(Class.java:343) > at java.lang.Class.newInstance(Class.java:325) > at com.yahoo.ycsb.CommandLine.main(Unknown Source) > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.conf.Configuration > at java.net.URLClassLoader$1.run(URLClassLoader.java:217) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:321) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) > at java.lang.ClassLoader.loadClass(ClassLoader.java:266) > ... 6 more > > By the error, it seems like its not able to get Hadoop-core.jar file, but > its already in the class path. > Has anyone worked on YCSB with hbase ? > > Thanks, > Praveenesh >
