I'm interested in the same thing -- is there a recommended way to batch Hadoop jobs together?
On Tue, Jun 10, 2008 at 5:45 PM, Richard Zhang <[EMAIL PROTECTED]> wrote: > Hello folks: > I am running several hadoop applications on hdfs. To save the efforts in > issuing the set of commands every time, I am trying to use bash script to > run the several applications sequentially. To let the job finishes before > it > is proceeding to the next job, I am using wait in the script like below. > > sh bin/start-all.sh > wait > echo cluster start > (bin/hadoop jar hadoop-0.17.0-examples.jar randomwriter -D > test.randomwrite.bytes_per_map=107374182 rand) > wait > bin/hadoop jar hadoop-0.17.0-examples.jar randomtextwriter -D > test.randomtextwrite.total_bytes=107374182 rand-text > bin/stop-all.sh > echo finished hdfs randomwriter experiment > > > However, it always give the error like below. Does anyone have better idea > on how to run the multiple sequential jobs with bash script? > > HadoopScript.sh: line 39: wait: pid 10 is not a child of this shell > > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.mapred.JobTracker$IllegalStateException: Job tracker > still > initializing > at > org.apache.hadoop.mapred.JobTracker.ensureRunning(JobTracker.java:1722) > at > org.apache.hadoop.mapred.JobTracker.getNewJobId(JobTracker.java:1730) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:446) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:896) > > at org.apache.hadoop.ipc.Client.call(Client.java:557) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:212) > at $Proxy1.getNewJobId(Unknown Source) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82) > at > > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59) > at $Proxy1.getNewJobId(Unknown Source) > at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:696) > at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:973) > at > org.apache.hadoop.examples.RandomWriter.run(RandomWriter.java:276) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > at > org.apache.hadoop.examples.RandomWriter.main(RandomWriter.java:287) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) > at > org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) > at > org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:53) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.util.RunJar.main(RunJar.java:155) > at org.apache.hadoop.mapred.JobShell.run(JobShell.java:194) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) > at org.apache.hadoop.mapred.JobShell.main(JobShell.java:220) > -- hustlin, hustlin, everyday I'm hustlin
