hadoop 2.2.X 配置参数说明： core-site.xml

hadoop 2.2.X 配置参数说明： core-site.xml

fs.checkpoint.size 0.5 dfs.namenode.checkpoint.period 21600 dfs.namenode.checkpoint.dir file:///hadoop/hdfs/namesecondary hadoop.security.authentication simple fs.checkpoint.edits.dir file:///hadoop/hdfs/namesecondary ipc.client.connect.max.retries 50 ipc.client.connection.maxidletime 30000 hadoop.security.auth_to_local RULE:[2:$1@$0]([rn]m@.*)s/.*/yarn/ RULE:[2:$1@$0](jhs@.*)s/.*/mapred/ RULE:[2:$1@$0]([nd]n@.*)s/.*/hdfs/ RULE:[2:$1@$0](hm@.*)s/.*/hbase/ RULE:[2:$1@$0](rs@.*)s/.*/hbase/ DEFAULT ipc.client.idlethreshold 8000 io.serializations org.apache.hadoop.io.serializer.WritableSerialization fs.trash.interval 360 hadoop.security.authorization false fs.defaultFS hdfs://hadoop01:8020 mapreduce.jobtracker.webinterface.trusted false io.file.buffer.size 131072 io.compression.codecs org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.DefaultCodec io.compression.codecs org.apache.hadoop.io.compress.GzipCodec,org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.SnappyCodec hadoop.proxyuser.hive.groups users hadoop.proxyuser.hcat.groups users hadoop.proxyuser.oozie.groups users

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