Alexander Kuznetsov questions

Alexander Kuznetsov answers

• How to obtain scoring between 0 and 1 with ElasticSearch?
• Rabbitmq retrieve multiple messages using single synchronous call
• Hbase quickly count number of rows
• HDFS space consumed: "hdfs dfs -du /" vs "hdfs dfsadmin -report"
• Can we get all the column names from an HBase table?
• Finding all the roots in a directed graph
• Namespace in HBase?
• Given a set of ranges S, and an overlapping range R, find the smallest subset in S that encompases R
• Using Apache Lucene to search
• Algorithms for compression of set tries