What happens when a DataNode fails during the write process?
No Answer is Posted For this Question
Be the First to Post Answer
What combiners are and when you should utilize a combiner in a map reduce job?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
Is it necessary to write a mapreduce job in java?
Mention when to use Map reduce mode?
What is a IdentityMapper and IdentityReducer in MapReduce ?
What is shuffling in mapreduce?
what job does the conf class do?
How hadoop mapreduce works?
How many Mappers run for a MapReduce job in Hadoop?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
In MapReduce, ideally how many mappers should be configured on a slave?
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)