Lista nazw i datanodów klastra z dowolnego węzła?
Z dowolnego węzła w klastrze Hadoop, jakie jest polecenie
- zidentyfikować uruchomiony namenode?
- zidentyfikować wszystkie uruchomione datanody?
Przejrzałem instrukcję poleceń i nie znalazłem tego.
23
Author: T. Webster, 2013-06-01
4 answers
Użyj polecenia dfsadmin :
bin/hadoop dfsadmin -report
Aktualizacja (2015):
bin/hdfs dfsadmin -report
40
Author: Tejas Patil,
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2016-04-09 07:17:53
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2016-04-09 07:17:53
Spróbuj tego:
hadoop getconf -namenodes
hadoop getconf -secondaryNamenodes
15
Author: Vishwanath,
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2016-03-22 14:29:14
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2016-03-22 14:29:14
Spróbuj Tego. Dla dfsadmin nie każdy użytkownik ma uprawnienia.
hdfs getconf -confKey fs.defaultFS hdfs://XYZ
13
Author: shashaDenovo,
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2016-10-19 17:08:51
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2016-10-19 17:08:51
2016 update , following Tejas answer:
hadoopuser@gsamaras:~/hadoop/bin$ ./hdfs dfsadmin -report
4
Author: gsamaras,
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2017-01-02 15:31:44
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2017-01-02 15:31:44