Sample core-site.xml

 
    fs.default.name
    hdfs://namenode:8020
 
 
    fs.trash.interval
    2880
    true
 
 
    hadoop.tmp.dir
    /tmp/hadoop-${user.name}
    true
 
 
    webinterface.private.actions
    true
    Allows actions which should not be exposed to outside world eg killing jobs
 
 
    io.file.buffer.size
    65536
 
 
    io.compression.codecs
    org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.BZip2Codec
    A list of the compression codec classes that can be used for compression/decompression.
 
 
    fs.checkpoint.dir
    /hadoop/name2/
    true