i use this command ,it works fine # hbase org.apache.hadoop.hbase.mapreduce.RowCounter dsp_cookie_mapping
On Thu, May 22, 2014 at 8:44 AM, ch huang <[email protected]> wrote: > # sudo -u hbase hadoop jar /usr/lib/hbase/hbase.jar rowcounter > -Dmapred.map.tasks.speculative.execution=false > -Dhbase.client.scanner.caching=100 dsp_cookie_mapping > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/hadoop/mapreduce/Job > at java.lang.Class.getDeclaredMethods0(Native Method) > at java.lang.Class.privateGetDeclaredMethods(Class.java:2531) > at java.lang.Class.getMethod0(Class.java:2774) > at java.lang.Class.getMethod(Class.java:1663) > at > org.apache.hadoop.util.ProgramDriver$ProgramDescription.<init>(ProgramDriver.java:60) > at > org.apache.hadoop.util.ProgramDriver.addClass(ProgramDriver.java:103) > at org.apache.hadoop.hbase.mapreduce.Driver.main(Driver.java:36) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at org.apache.hadoop.util.RunJar.main(RunJar.java:208) > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.mapreduce.Job > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > ... 12 more > # rpm -qa|grep hbase > hbase-regionserver-0.94.6+132-1.cdh4.4.0.p0.17.el6.x86_64 > hbase-0.94.6+132-1.cdh4.4.0.p0.17.el6.x86_64 > > > > On Wed, May 21, 2014 at 7:18 PM, Jean-Marc Spaggiari < > [email protected]> wrote: > >> You can use the MR method: >> >> hadoop jar /home/hbase/hbase-0.94.3/hbase-0.94.19.jar rowcounter >> -Dmapred.map.tasks.speculative.execution=false >> -Dhbase.client.scanner.caching=100 work_proposed >> >> JM >> >> >> 2014-05-21 7:07 GMT-04:00 ch huang <[email protected]>: >> >> > hi,maillist: >> > i use count 'table' in hbase shell,but it very slow,how can i >> > get rows of a table quickly? >> > >> > >
