Jack

Jack has asked 66 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

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
do I need to use nohup and & together
what's the HDFS writing consistency
why HBase count operation so slow
what Hadoop will do after one of datanodes down
why I can not use function keyword to define a function inside a reactjs class
Why will "while true" use 100% of CPU resources?
How does ElasticSearch and Lucene share the memory

Jack answers

Kafka spark directStream can not get data