Re: hadoop-0.20.3 setup

2011-12-23 Thread Harsh J
Try starting your cluster as a non-root user. On 23-Dec-2011, at 2:58 PM, Martinus Martinus wrote: > Hi, > > I tried to setup the hadoop-cluster using hadoop-0.20.2 and it seem's to be > ok, but when I tried to used another version of hadoop, such as > hadoop-0.20.3, when I start-all.sh, it ga

Re: hadoop-0.20.3 setup

2011-12-23 Thread Charles Earl
This may not help with your problem, but you might note the Hacker News thread http://news.ycombinator.com/item?id=3383228 and the Mongo Hadoop integration github, which you probably have accessed already https://github.com/mongodb/mongo-hadoop On Dec 23, 2011, at 4:28 AM, Martinus Martinus w

Re: hadoop-0.20.3 setup

2011-12-23 Thread Martinus Martinus
Hi 臧冬松, thanks for your answer, I have already add export LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/$OS_ARCH/server inside hadoop-env.sh, but it still gave me the same error. Thanks. Martinus On Fri, Dec 23, 2011 at 5:35 PM, 臧冬松 wrote: > Hi, > you should add the libjvm.so path to the LD_LIBRARY_PAT

best way to access HDFS from c++

2011-12-23 Thread 臧冬松
Hi, In my application, I have some big c++ codes. And now I want to store files in HDFS, and use the c++ programs to read/write from/to HDFS. I wonder what's the best way(efficient,high throughput) to do this. I know there's a libhdfs which is based on JNI, and a conrib code of Thrift (which is rem

Re: hadoop-0.20.3 setup

2011-12-23 Thread 臧冬松
Hi, you should add the libjvm.so path to the LD_LIBRARY_PATH export LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/$OS_ARCH/server 2011/12/23 Martinus Martinus > Hi, > > I tried to setup the hadoop-cluster using hadoop-0.20.2 and it seem's to > be ok, but when I tried to used another version of hadoop, such

hadoop-0.20.3 setup

2011-12-23 Thread Martinus Martinus
Hi, I tried to setup the hadoop-cluster using hadoop-0.20.2 and it seem's to be ok, but when I tried to used another version of hadoop, such as hadoop-0.20.3, when I start-all.sh, it gaves me an error like this : uvm12dk: Unrecognized option: -jvm uvm12dk: Could not create the Java virtual machin

Re: hadoop cluster for querying data on mongodb

2011-12-23 Thread Martinus Martinus
Hi Ayon, I tried to setup the hadoop-cluster using hadoop-0.20.2 and it seem's to be ok, but when I tried to used another version of hadoop, such as hadoop-0.20.3, when I start-all.sh, it gaves me an error like this : uvm12dk: Unrecognized option: -jvm uvm12dk: Could not create the Java virtual m