摘要：java driver version: com.datastax.cassandra:cassandra-driver-core:3.1.2 概念 cassandra driver 与 cassandra cluster server 通过TCP协议进行异步通信。 首先，driver与cassan 阅读全文

摘要：Partitioner, which is a hash function to calculate the TOKEN() of row key. From cassandra 1.2, defaut partitioner is Murmur3Partitioner, of which the 阅读全文

摘要：modeling by query. secondary index is best on table that has many rows the contain fewer unique values (low cardinality). but, don't index on high-car 阅读全文