What are broadcast variables in spark?
Answer / Sukhdarshan Singh
Broadcast variables in Apache Spark are used to broadcast a large dataset across all worker nodes, so that every task can access the data efficiently. This is useful for scenarios where you have a large dataset that needs to be accessed frequently by multiple tasks.
| Is This Answer Correct ? | 0 Yes | 0 No |
How will you connect Apache Spark with Apache Mesos?
What do spark executors manage?
Why do we use persist () on links rdd?
What is the use of map transformation?
Explain the level of parallelism in spark streaming?
How is Apache Spark better than Hadoop?
Explain the operation transformation and action in Apache Spark RDD?
What is the spark driver?
What are Actions? Give some examples.
Different Running Modes of Apache Spark
Is java required for spark?
What is sparkContext?
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)