Hi. hadooper!
I use hadoop-2.7.1 and my cluster has 130 nodes.
recently I am facing a problem.
I have found corrupt block by nagios.
nagios request
http://namenode01:50070/jmx?qry=Hadoop:service=NameNode,name=FSNamesystem.
below is result. notice CorruptBlocks is 1.
{
"beans" :
Everywhere I searched, there are plenty samples of using keytab file for
Kerberos authentication, but haven’t yet find anything samples to do so using
username/pswd. I thought it was impossible until “Toad For Hadoop” started
doing that.
So doesn’t anyone know how it is implemented? In
