Re: trace class calls in hadoop hdfs

I think you can try to use jdb, which exists in $JAVA_HOME/bin. Regards Bing 2013/11/4 Karim Awara > Hi, > > I want to trace the calls that both the DataNode and the NameNode do when > I execute a shell command on the hdfs such as (hadoop dfs -put {src} > {dst}). Any idea how to do that? > > >

trace class calls in hadoop hdfs

Hi, I want to trace the calls that both the DataNode and the NameNode do when I execute a shell command on the hdfs such as (hadoop dfs -put {src} {dst}). Any idea how to do that? ; tracing including the data node asking the name node for the blockID.. also the class where datanode use to determ