Pseudo-distributed. Yes, it is 64 bit Java:
java version "1.6.0_26" Java(TM) SE Runtime Environment (build 1.6.0_26-b03) Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) On Fri, May 4, 2012 at 7:06 PM, Lance Norskog <[email protected]> wrote: > Is this pseudo-distributed or on a cluster? I don't know how to get > Java options out to a cluster. > > Also, an annoying question: is this a 64-bit Java? > > On Fri, May 4, 2012 at 6:36 PM, Ryan Rosario <[email protected]> wrote: >> Setting those options makes no difference. TFIDF calculation >> immediately stops with an OutOfMemory error. It doesn't even try. >> The system only uses about 1-4GB. The only way to get anything to run >> is to use something like <= 100 documents, which does not help me. >> >> MAHOUT_OPTS=-Xmx24g >> JAVA_HEAP_MAX=-Xmx24000m >> >> R. >> >> >> On Fri, May 4, 2012 at 6:13 PM, Lance Norskog <[email protected]> wrote: >>> It's MAHOUT_OPTS. Read bin/mahout. There's also a JAVA_HEAP_MAX that >>> uses Heapsize. >>> >>> Try running the script with "sh -x bin/mahout". This will show you the >>> actual command line. Or 'ps -ef | cat'. >>> >>> On Fri, May 4, 2012 at 4:49 PM, Ryan Rosario <[email protected]> wrote: >>>> Hi, >>>> >>>> I am trying to follow along with the 20 newsgroups example but using >>>> my own data. I am running the examples on a server with 24GB of RAM >>>> and 24 cores. When I get to the "Computing TF-IDF" stage, the whole >>>> process fails with the following exception. I have 14000 documents and >>>> 2 classes. The lexicon consists of 2705284 trigrams which I created >>>> myself. I then set the ng parameter equal to 1 since I already >>>> tokenized the words myself. >>>> >>>> The system at max has only been using 4-5GB total, and I have set >>>> MAHOUT_OPTIONS=-Xmx4g, MAHOUT_HEAPSIZE=24000, >>>> mapred.map.child.java.opts=-Xmx24g just to see if I could get Mahout >>>> to acknowledge the increase in heap space, but this does not seem to >>>> be helping at all. >>>> >>>> What else can I try to get past this problem? The system has plenty of RAM. >>>> >>>> Thanks, >>>> Ryan >>>> >>>> ./bin/mahout trainclassifier -i /user/ryan/pageclass-train -o >>>> pageclass-out -type cbayes -ng 1 -source >>>> >>>> .... >>>> 12/05/04 15:52:43 INFO cbayes.CBayesDriver: Calculating Tf-Idf... >>>> 12/05/04 15:52:46 INFO common.BayesTfIdfDriver: Counts of documents in >>>> Each Label >>>> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space >>>> at >>>> java.lang.StringCoding$StringEncoder.encode(StringCoding.java:232) >>>> at java.lang.StringCoding.encode(StringCoding.java:272) >>>> at java.lang.String.getBytes(String.java:946) >>>> at >>>> org.apache.hadoop.io.DefaultStringifier.fromString(DefaultStringifier.java:73) >>>> at >>>> org.apache.mahout.classifier.bayes.mapreduce.common.BayesTfIdfDriver.runJob(BayesTfIdfDriver.java:88) >>>> at >>>> org.apache.mahout.classifier.bayes.mapreduce.cbayes.CBayesDriver.runJob(CBayesDriver.java:51) >>>> at >>>> org.apache.mahout.classifier.bayes.TrainClassifier.trainCNaiveBayes(TrainClassifier.java:58) >>>> at >>>> org.apache.mahout.classifier.bayes.TrainClassifier.main(TrainClassifier.java:151) >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>>> at >>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>>> at >>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>>> at java.lang.reflect.Method.invoke(Method.java:597) >>>> at >>>> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68) >>>> at >>>> org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) >>>> at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:188) >>>> 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) >>>> >>>> >>>> -- >>>> RRR >>>> >>>> >>>> -- >>>> RRR >>> >>> >>> >>> -- >>> Lance Norskog >>> [email protected] >> >> >> >> -- >> RRR > > > > -- > Lance Norskog > [email protected] -- RRR
