apache pig - Too many fetch failures on Hadoop -
i hadoop/pig beginner.
i trying build hadoop clsuter. 1 data node , master node acting data node. have followed instructions given in : http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-multi-node-cluster/
when try run sample hadoop examples. getting "too many fetch failures".
i have names of master , host configured in /etc/hosts of both master , slave. have changed somaxconn value 1024.
what missing here? please help.
this known issue. check hdfs bug database status of bug , fix. work around use / replace jetty.jar latest or higher version > 1.26 other option increase fetch attempts, in mapred-site.xml
Comments
Post a Comment