How to create the directory when name node is in safe mode?
No Answer is Posted For this Question
Be the First to Post Answer
What is the role of the secondary namenode?
Are there any special requirements for namenode?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What does the mapred.job.tracker command do?
Name the operating system(s) which are supported for production hadoop deployment?
is there a standard procedure to deploy hadoop?
What is the purpose of RecordReader in hadoop?
Explain what is storage and compute nodes?
What are some typical functions of Job Tracker?
What is job tracker in Hadoop?
What is the purpose of context object?
What is the problem with small files in Hadoop?
Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)
Apache Spark (991)
Apache HBase (164)
Apache Flume (95)
Apache Impala (72)
Apache Cassandra (392)
Apache Mahout (35)
Apache Sqoop (82)
Apache ZooKeeper (65)
Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)
Apache Avro (26)
Apache Presto (15)
Apache Tajo (26)
Hadoop General (407)