[root@sandbox ~]# ps -aef |grep namenode hdfs 616 0 7 05:50 ? 00:00:19 /usr/lib/jvm/java/bin/java -Dproc_namenode -Xmx250m -Dhdp.version=2.6.0.3-8 -Djava.net.preferIPv4Stack=true -Dhdp.version= -Djava.net.preferIPv4Stack=true -Dhdp.version= -Djava.net.preferIPv4Stack=true -Dhadoop.log.dir=/var/log/hadoop/hdfs -Dhadoop.log.file=hadoop.log -Dhadoop.home.dir=/usr/hdp/2.6.0.3-8/hadoop -Dhadoop.id.str=hdfs -Dhadoop.root.logger=INFO,console -Djava.library.path=:/usr/hdp/2.6.0.3-8/hadoop/lib/native/Linux-amd64-64:/usr/hdp/2.6.0.3-8/hadoop/lib/native -Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -Dhdp.version=2.6.0.3-8 -Dhadoop.log.dir=/var/log/hadoop/hdfs -Dhadoop.log.file=hadoop-hdfs-namenode-sandbox.hortonworks.com.log -Dhadoop.home.dir=/usr/hdp/2.6.0.3-8/hadoop -Dhadoop.id.str=hdfs -Dhadoop.root.logger=INFO,RFA -Djava.library.path=:/usr/hdp/2.6.0.3-8/hadoop/lib/native/Linux-amd64-64:/usr/hdp/2.6.0.3-8/hadoop/lib/native:/usr/hdp/2.6.0.3-8/hadoop/lib/native/Linux-amd64-64:/usr/hdp/2.6.0.3-8/hadoop/lib/native -Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -server -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:ErrorFile=/var/log/hadoop/hdfs/hs_err_pid%p.log -XX:NewSize=50m -XX:MaxNewSize=100m -Xloggc:/var/log/hadoop/hdfs/gc.log-201705260550 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -XX:CMSInitiatingOccupancyFraction=70 -XX:+UseCMSInitiatingOccupancyOnly -Xms250m -Xmx250m -Dhadoop.security.logger=INFO,DRFAS -Dhdfs.audit.logger=INFO,DRFAAUDIT -XX:OnOutOfMemoryError="/usr/hdp/current/hadoop-hdfs-namenode/bin/kill-name-node" -Dorg.mortbay.jetty.Request.maxFormContentSize=-1 -server -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:ErrorFile=/var/log/hadoop/hdfs/hs_err_pid%p.log -XX:NewSize=50m -XX:MaxNewSize=100m -Xloggc:/var/log/hadoop/hdfs/gc.log-201705260550 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -XX:CMSInitiatingOccupancyFraction=70 -XX:+UseCMSInitiatingOccupancyOnly -Xms250m -Xmx250m -Dhadoop.security.logger=INFO,DRFAS -Dhdfs.audit.logger=INFO,DRFAAUDIT -XX:OnOutOfMemoryError="/usr/hdp/current/hadoop-hdfs-namenode/bin/kill-name-node" -Dorg.mortbay.jetty.Request.maxFormContentSize=-1 -server -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:ErrorFile=/var/log/hadoop/hdfs/hs_err_pid%p.log -XX:NewSize=50m -XX:MaxNewSize=100m -Xloggc:/var/log/hadoop/hdfs/gc.log-201705260550 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -XX:CMSInitiatingOccupancyFraction=70 -XX:+UseCMSInitiatingOccupancyOnly -Xms250m -Xmx250m -Dhadoop.security.logger=INFO,DRFAS -Dhdfs.audit.logger=INFO,DRFAAUDIT -XX:OnOutOfMemoryError="/usr/hdp/current/hadoop-hdfs-namenode/bin/kill-name-node" -Dorg.mortbay.jetty.Request.maxFormContentSize=-1 -Dhadoop.security.logger=INFO,RFAS org.apache.hadoop.hdfs.server.namenode.NameNode root 4642 4496 0 05:55 pts/0 00:00:00 grep namenode [root@sandbox ~]# netstat -taupen |grep 4496 [root@sandbox ~]# netstat -taupen |grep 4642 [root@sandbox ~]# cat /etc/hosts 127.0.0.1 localhost ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 172.17.0.2 sandbox.hortonworks.com sandbox [root@sandbox ~]# ifconfig eth0 Link encap:Ethernet HWaddr 02:42:AC:11:00:02 inet addr:172.17.0.2 Bcast:0.0.0.0 Mask:255.255.0.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3159 errors:0 dropped:0 overruns:0 frame:0 TX packets:1421 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:423909 (413.9 KiB) TX bytes:2673388 (2.5 MiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:20245 errors:0 dropped:0 overruns:0 frame:0 TX packets:20245 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:14721372 (14.0 MiB) TX bytes:14721372 (14.0 MiB) ... View more