hadoop filesystem cache

2012-01-14 Thread Rita
After reading this article, http://www.cloudera.com/blog/2012/01/caching-in-hbase-slabcache/ , I was wondering if there was a filesystem cache for hdfs. For example, if a large file (10gigabytes) was keep getting accessed on the cluster instead of keep getting it from the network why not storage th

Re: hadoop filesystem cache

2012-01-14 Thread Prashant Kommireddi
You mean something different from the DistributedCache? Sent from my iPhone On Jan 14, 2012, at 5:30 PM, Rita wrote: > After reading this article, > http://www.cloudera.com/blog/2012/01/caching-in-hbase-slabcache/ , I was > wondering if there was a filesystem cache for hdfs. For example, if a l

Re: hadoop filesystem cache

2012-01-14 Thread Rita
yes, something different from that. To my knowledge, DistributedCache is only for Mapreduce. On Sat, Jan 14, 2012 at 8:33 PM, Prashant Kommireddi wrote: > You mean something different from the DistributedCache? > > Sent from my iPhone > > On Jan 14, 2012, at 5:30 PM, Rita wrote: > > > After read

failed to build trunk, what's wrong?

2012-01-14 Thread smith jack
mvn compile and failed:( jdk version is "1.6.0_23" maven version is Apache Maven 3.0.3 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.6:run (compile-proto) on project hadoop-common: An Ant BuildException has occured: exec returned: 127 -> [Help 1] org.apache.maven.lif

Re: failed to build trunk, what's wrong?

2012-01-14 Thread Harsh J
You need protocol buffers installed, with 'protoc' available on PATH (and libprotobuf items on the LD_LIBRARY_PATH). On Sun, Jan 15, 2012 at 8:16 AM, smith jack wrote: > mvn compile and failed:( > jdk version is "1.6.0_23" > maven version is Apache Maven 3.0.3 > [ERROR] Failed to execute goal > o