> I wonder the approximate time table for hama 0.1 release and will hama 0.1 > support the follow matrix operations ?
These are our main interest, and we want to do that. But, I can't promise at this time. It is certain that an doolittle/crout/cholesky decompositions will be included in 0.1 release. /Edward On Fri, Oct 24, 2008 at 5:39 PM, zhuguanyin <[EMAIL PROTECTED]> wrote: > I wonder the approximate time table for hama 0.1 release and will hama 0.1 > support the follow matrix operations ? > > 1) matrix transposition > > 2) find eigenvalues and eigenvectors > > 3) matrix singular value decomposition > > > > Best Wishes! > > -- > [EMAIL PROTECTED] > > Tel: 010-82602288 ext. 7366 > > Mail: [EMAIL PROTECTED] Baidu Hi: buptzhugy > > Msn: [EMAIL PROTECTED] > > > > > > -------------------------------------------------- > From: "Samuel Guo" <[EMAIL PROTECTED]> > Sent: Friday, October 24, 2008 11:52 AM > To: <[email protected]> > Subject: Re: Help, failed running hama matrix addition examples, thanks! > >> On Fri, Oct 24, 2008 at 11:49 AM, zhuguanyin <[EMAIL PROTECTED]> wrote: >> >>> >>> >>> >>> I add hbase-default.xml, hbase-site.xml, hama-site.xml to cluster's >>> hadoop/conf dir, the matrix addition example run successful! >>> >>> I suggest "add hbase-default.xml, hbase-site.xml, hama-site.xml to >>> cluster's hadoop/conf dir" to GettingStarted. >> >> >> Thank you for your suggestion. >> I will add this suggestion to the wiki page. :-) >> >>> >>> >>> >>> thanks! >>> >>> >>> -------------------------------------------------- >>> From: "Samuel Guo" <[EMAIL PROTECTED]> >>> Sent: Thursday, October 23, 2008 2:20 PM >>> To: <[email protected]> >>> Subject: Re: Help, failed running hama matrix addition examples, thanks! >>> >>> you can check this wiki >>>> >>>> http://wiki.apache.org/hama/GettingStarted >>>> >>>> >>>> On Thu, Oct 23, 2008 at 1:42 PM, zhuguanyin <[EMAIL PROTECTED]> >>>>> >>>>> wrote: >>>>> > hi, I'm a newbie for hama, I set up a hadoop/hbase cluster, and the > >>>>> hama >>>>> > environment, but I couldn't run the examples successfull. >>>>> > >>>>> > 1) I don't know how to set the hama-site.xml, if there is a >>>>> > hama-default.xml, it would be very helpful. >>>>> > here is my hama-site.xml: >>>>> > >>>>> >>>> >>>> >>>> A good suggestion. >>>> >>>> Now in hama, a quick way is dealing with conf/hama-env.sh. >>>> let $HADOOP_CONF_DIR point to your hadoop cluster's configuration. >>>> let $HBASE_CONF_DIR point to your hadoop cluster's configuration. >>>> >>>> can you try it again and let us know. >>>> >>>> >>>> >>>>> > <configuration> >>>>> > >>>>> > <property> >>>>> > <name>mapred.jar</name> >>>>> > <value>/home/zhugy/hama/hama-trunk/hama-0.1.0-dev.jar</value> >>>>> > </property> >>>>> > >>>>> > <property> >>>>> > <name>hbase.rootdir</name> >>>>> > <value>hdfs://jx-hadoop-data08.jx:52310/hbase-v1</value> >>>>> > <description>The directory shared by region servers. >>>>> > Should be fully-qualified to include the filesystem to use. >>>>> > E.g: hdfs://NAMENODE_SERVER:PORT/HBASE_ROOTDIR >>>>> > </description> >>>>> > </property> >>>>> > >>>>> > <property> >>>>> > <name>hbase.master</name> >>>>> > <value>jx-hadoop-data08.jx:62310</value> >>>>> > <description>The host and port that the HBase master runs at. >>>>> > A value of 'local' runs the master and a regionserver in >>>>> > a single process. >>>>> > </description> >>>>> > </property> >>>>> > </configuration> >>>>> > >>>>> > >>>>> > 2) When I test the matrix addition examples: >>>>> > hama/hama-trunk/bin/hama examples addition -m 2 -r 1 2 2 >>>>> > >>>>> > >>>>> > I get the follow stderr on map-reduce's stderr on task: >>>>> > >>>>> >>>> >>>> >>>> > java.lang.NullPointerException >>>>> >>>>> > at > >>>>> org.apache.hama.HamaAdminImpl.initialJob(HamaAdminImpl.java:51) >>>>> > at org.apache.hama.HamaAdminImpl.<init>(HamaAdminImpl.java:46) >>>>> > at >>>>> org.apache.hama.AbstractMatrix.setConfiguration(AbstractMatrix.java:62) >>>>> > at org.apache.hama.DenseMatrix.<init>(DenseMatrix.java:66) >>>>> > at >>>>> >>>>> org.apache.hama.algebra.Add1DLayoutMap.configure(Add1DLayoutMap.java:43) >>>>> > at >>>>> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:58) >>>>> > at >>>>> >>>>> >>>>> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82) >>>>> > at > >>>>> org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:33) >>>>> > at >>>>> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:58) >>>>> > at >>>>> >>>>> >>>>> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82) >>>>> > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:223) >>>>> > at >>>>> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207) >>>>> > java.lang.NullPointerException >>>>> > at >>>>> org.apache.hama.HamaAdminImpl.matrixExists(HamaAdminImpl.java:79) >>>>> > at org.apache.hama.DenseMatrix.<init>(DenseMatrix.java:68) >>>>> > at >>>>> >>>>> org.apache.hama.algebra.Add1DLayoutMap.configure(Add1DLayoutMap.java:43) >>>>> > at >>>>> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:58) >>>>> > at >>>>> >>>>> >>>>> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82) >>>>> > at > >>>>> org.apache.hadoop.mapred.MapRunner.configure(MapRunner.java:33) >>>>> > at >>>>> org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:58) >>>>> > at >>>>> >>>>> >>>>> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:82) >>>>> > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:223) >>>>> > at >>>>> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2207) >>>>> > >>>>> > >>>>> > >>>>> > thanks! >>>>> > >>>>> > >>>>> > <http://blog.udanax.org> >>>>> >>>>> >>>> >>> >> > > -- Best regards, Edward J. Yoon [EMAIL PROTECTED] http://blog.udanax.org
