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Yarn node manager not starting.

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10 REPLIES 10

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Master Guru

@MARUTHU PANDIYAN JAYARAMAN

Can you please share logs?

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Contributor

through you log you have some corrupted files

 hdfs fsck /   double check with this command 

Please find here how to check that : http://stackoverflow.com/questions/19205057/how-to-fix-corrupt-hdfs-files/19216037#19216037

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Explorer

No corrupt blocks.

Status: HEALTHY Total size: 2286120271 B Total dirs: 1826 Total files: 3378 Total symlinks: 0 (Files currently being written: 9) Total blocks (validated): 2905 (avg. block size 786960 B) (Total open file blocks (not validated): 3) Minimally replicated blocks: 2905 (100.0 %) Over-replicated blocks: 0 (0.0 %) Under-replicated blocks: 2905 (100.0 %) Mis-replicated blocks: 0 (0.0 %) Default replication factor: 3 Average block replication: 1.0 Corrupt blocks: 0 Missing replicas: 13902 (82.71554 %) Number of data-nodes: 1 Number of racks: 1 FSCK ended at Wed Nov 16 14:10:34 UTC 2016 in 2531 milliseconds

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Contributor

Try to restart ambari-agent , or provide logs for yarn-nodemanager /var/log/hadoop-yarn/yarn/yarn-yarn-nodemanager-xxx.com.log

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Explorer

Problem solved. Node manager is up after setting this flag as false. Thank you Mugdha.

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New Contributor

I am also Getting the error " localhost: ERROR: Cannot set priority of nodemanager process 41819". Can someone provide me answer