Hi..tq for your time guys..i just restart the datanodes..now all nodes are up..the is resolved..but one issue(alert) left that is block health issue( correcpted blocks 108,under replicated blokcs: 500) not resolved...should i need to run hadoop fs -fsck command?
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@SBandaru it there like this .../var/opt/teradata/log/hadoop while i go to cd //var/opt/teradata/log/hadoop ..i couldn't find any datanode..i can find namenode,zkfc,journalnode..etc but i con't see data node..
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i found hadoop-hdfs-namenode-(hostname).log but i con't datanode...i found this in cd /var/opt/teradata/log/hadoop directory in my system...
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@rguruvannagar Thanks you but my concern is..should i add this property in off-hours? while i restart the serveries will effect the current running jobs
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@rguruvannagari Tq for valuable info ..i have small concern regrading this... Ambari Dasboard>HDFS>Configuration>Custom hdfs-site should i add Add property dfs.namenode.acls.enabled=true in download time of cluster or can i added any time? the resoans for asking is after adding should we need to restart any services which will effect the correct jobs..?
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