Re: How to use combiner in hadoop streaming

2011-01-18 Thread Harsh J
Right now, the Combiner has to be a Java Class. A command is unacceptable, as noted here: http://wiki.apache.org/hadoop/HadoopStreaming On Tue, Jan 18, 2011 at 1:30 PM, xieyeshan xieyes...@software.ict.ac.cn wrote: hi,all     I want to use combiner in hadoop streaming, but combiner is not the

Re: Re: How to use combiner in hadoop streaming

2011-01-18 Thread xieyeshan
Hi,Harsh J I use a Java Class as combiner and get following error infomation: Exception in thread main java.lang.NoClassDefFoundError: org/apache/hadoop/streaming/PlsaCombine (wrong name: PlsaCombine) at java.lang.ClassLoader.defineClass1(Native Method) at

RE: [DISCUSS] Hadoop Security Release off Yahoo! patchset

2011-01-18 Thread Severance, Steve
I want to thank Yahoo! for this release. At eBay we are very excited about the opportunity to test a build of Hadoop that has already been extensively field tested on large clusters. At eBay we are primarily concerned with cluster availability and throughput so having a build like this