Can you check which user you are running this process as and compare it with the ownership on the directory?
On Thu, Mar 8, 2012 at 3:13 PM, Leonardo Urbina <lurb...@mit.edu> wrote: > Does anyone have any idea how to solve this problem? Regardless of whether > I'm using plain HPROF or profiling through Starfish, I am getting the same > error: > > Exception in thread "main" java.io.FileNotFoundException: > attempt_201203071311_0004_m_ > 000000_0.profile (Permission denied) > at java.io.FileOutputStream.open(Native Method) > at java.io.FileOutputStream.<init>(FileOutputStream.java:194) > at java.io.FileOutputStream.<init>(FileOutputStream.java:84) > at > org.apache.hadoop.mapred.JobClient.downloadProfile(JobClient.java:1226) > at > org.apache.hadoop.mapred.JobClient.monitorAndPrintJob(JobClient.java:1302) > at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1251) > at > > com.BitSight.hadoopAggregator.AggregatorDriver.run(AggregatorDriver.java:89) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > at > > com.BitSight.hadoopAggregator.AggregatorDriver.main(AggregatorDriver.java:94) > 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:156) > > But I can't find what permissions to change to fix this issue. Any ideas? > Thanks in advance, > > Best, > -Leo > > > On Wed, Mar 7, 2012 at 3:52 PM, Leonardo Urbina <lurb...@mit.edu> wrote: > > > Thanks, > > -Leo > > > > > > On Wed, Mar 7, 2012 at 3:47 PM, Jie Li <ji...@cs.duke.edu> wrote: > > > >> Hi Leo, > >> > >> Thanks for pointing out the outdated README file. Glad to tell you that > >> we > >> do support the old API in the latest version. See here: > >> > >> http://www.cs.duke.edu/starfish/previous.html > >> > >> Welcome to join our mailing list and your questions will reach more of > our > >> group members. > >> > >> Jie > >> > >> On Wed, Mar 7, 2012 at 3:37 PM, Leonardo Urbina <lurb...@mit.edu> > wrote: > >> > >> > Hi Jie, > >> > > >> > According to the Starfish README, the hadoop programs must be written > >> using > >> > the new Hadoop API. This is not my case (I am using MultipleInputs > among > >> > other non-new API supported features). Is there any way around this? > >> > Thanks, > >> > > >> > -Leo > >> > > >> > On Wed, Mar 7, 2012 at 3:19 PM, Jie Li <ji...@cs.duke.edu> wrote: > >> > > >> > > Hi Leonardo, > >> > > > >> > > You might want to try Starfish which supports the memory profiling > as > >> > well > >> > > as cpu/disk/network profiling for the performance tuning. > >> > > > >> > > Jie > >> > > ------------------ > >> > > Starfish is an intelligent performance tuning tool for Hadoop. > >> > > Homepage: www.cs.duke.edu/starfish/ > >> > > Mailing list: http://groups.google.com/group/hadoop-starfish > >> > > > >> > > > >> > > On Wed, Mar 7, 2012 at 2:36 PM, Leonardo Urbina <lurb...@mit.edu> > >> wrote: > >> > > > >> > > > Hello everyone, > >> > > > > >> > > > I have a Hadoop job that I run on several GBs of data that I am > >> trying > >> > to > >> > > > optimize in order to reduce the memory consumption as well as > >> improve > >> > the > >> > > > speed. I am following the steps outlined in Tom White's "Hadoop: > The > >> > > > Definitive Guide" for profiling using HPROF (p161), by setting the > >> > > > following properties in the JobConf: > >> > > > > >> > > > job.setProfileEnabled(true); > >> > > > > >> > > > > >> job.setProfileParams("-agentlib:hprof=cpu=samples,heap=sites,depth=6," > >> > + > >> > > > "force=n,thread=y,verbose=n,file=%s"); > >> > > > job.setProfileTaskRange(true, "0-2"); > >> > > > job.setProfileTaskRange(false, "0-2"); > >> > > > > >> > > > I am trying to run this locally on a single pseudo-distributed > >> install > >> > of > >> > > > hadoop (0.20.2) and it gives the following error: > >> > > > > >> > > > Exception in thread "main" java.io.FileNotFoundException: > >> > > > attempt_201203071311_0004_m_000000_0.profile (Permission denied) > >> > > > at java.io.FileOutputStream.open(Native Method) > >> > > > at > java.io.FileOutputStream.<init>(FileOutputStream.java:194) > >> > > > at > java.io.FileOutputStream.<init>(FileOutputStream.java:84) > >> > > > at > >> > > > > >> org.apache.hadoop.mapred.JobClient.downloadProfile(JobClient.java:1226) > >> > > > at > >> > > > > >> > > > >> > > >> > org.apache.hadoop.mapred.JobClient.monitorAndPrintJob(JobClient.java:1302) > >> > > > at > >> > org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1251) > >> > > > at > >> > > > > >> > > > > >> > > > >> > > >> > com.BitSight.hadoopAggregator.AggregatorDriver.run(AggregatorDriver.java:89) > >> > > > at > org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) > >> > > > at > >> > > > > >> > > > > >> > > > >> > > >> > com.BitSight.hadoopAggregator.AggregatorDriver.main(AggregatorDriver.java:94) > >> > > > 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:156) > >> > > > > >> > > > However, I can access these logs directly from the tasktracker's > >> logs > >> > > > (through the web UI). For the sakes of running this locally, I > >> could > >> > > just > >> > > > ignore this error, however I want to be able to profile the job > once > >> > > > deployed to our hadoop cluster and need to be able to > automatically > >> > > > retrieve these logs. Do I need to change the permissions in HDFS > to > >> > allow > >> > > > for this? Any ideas on how to fix this? Thanks in advance, > >> > > > > >> > > > Best, > >> > > > -Leo > >> > > > > >> > > > -- > >> > > > Leo Urbina > >> > > > Massachusetts Institute of Technology > >> > > > Department of Electrical Engineering and Computer Science > >> > > > Department of Mathematics > >> > > > lurb...@mit.edu > >> > > > > >> > > > >> > > >> > > >> > > >> > -- > >> > Leo Urbina > >> > Massachusetts Institute of Technology > >> > Department of Electrical Engineering and Computer Science > >> > Department of Mathematics > >> > lurb...@mit.edu > >> > > >> > > > > > > > > -- > > Leo Urbina > > Massachusetts Institute of Technology > > Department of Electrical Engineering and Computer Science > > Department of Mathematics > > lurb...@mit.edu > > > > > > > -- > Leo Urbina > Massachusetts Institute of Technology > Department of Electrical Engineering and Computer Science > Department of Mathematics > lurb...@mit.edu >
