Am trying to understand Hive Explain plan. Sample explain plan for my query is as below Vertex dependency in root stage Reducer 2 <- Map 1 (SIMPLE_EDGE), Map 2 (SIMPLE_EDGE), Map 3 (BROADCAST_EDGE) Reducer 3 <- Map 4 (SIMPLE_EDGE), Map 5 (BROADCAST_EDGE), Reducer 2 (SIMPLE_EDGE) Reducer 4 <- Map 6 (SIMPLE_EDGE), Map 7 (BROADCAST_EDGE), Map 8 (BROADCAST_EDGE), Reducer 3 (SIMPLE_EDGE). Can some one help me in understanding what is SIMPLE_EDGE and BROADCAST_EDGE. What should I interpret from BROADCAST_EDGE and SIMPLE_EDGE? ... View more

was trying spark scenario, tried to load csv file of data set around 1M records into a RDD. did a split by delimiter, and was checking count() which worked. on the same RDD wanted to check sample data and tried action take(10)which did not work. Was throwing spark socketexception connection reset by peer Your assistance would be of great help ... View more

was curious to check Zookeeper logs, navigated in /var/log/../zookeeper folder. I see 2 files with xxxx.out and zookeeper-xxxx-xxxx.out files, also can't find any data in it. Can you please let me know where to locate log files for zookeeper and also can you please advise me if zookeeper will have log files created on a daily/hourly basis. ... View more