Jack

Jack has asked 74 questions and find answers to 1 problems.

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About

Many years experience in search engine and Hadoop Expertise And Love Java,Network! Some experiences in Spark,Blink,Data Mining

Jack questions

Does Hbase have region replications
Spark always remove RDD
how does zookeeper do when the master down
how to set Spark Kmeans initial centers
Mongodb: Adding new shards to a cluster added load to the cluster
how to get Kafka max offset by producer
How does index refresh interval work in ElasticSearch?
How to enable compression on an existing Hbase table?
sync/async insert or update ElasticSearch in Python
Can Zookeeper remain highly available if one of three nodes fails

Jack answers

Kafka spark directStream can not get data