Explain what is a task tracker in hadoop?
No Answer is Posted For this Question
Be the First to Post Answer
What happen on the namenode when a client tries to read a data file?
What is the job tracker role in hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how?
How would you check whether your NameNode is working or not?
Explain some important features of hadoop?
What is the use of context object?
What is the problem with small files in Hadoop?
Clarify how ordering in hdfs is finished?
What is JobTracker?
What is LazyOutputFormat in Hadoop?
Can you define inputsplit in hadoop?
Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?
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)