hello, I get the message that "If the memtable has the desired partition data, then the data is read and then merged with the data from the SSTables. The SSTable data is accessed as shown in the following steps." in "how is data read?" chapter in http://docs.datastax.com/en/archived/cassandra/2.2/cassandra/dml/dmlAboutReads.html.
I do not understand that why have to read SSTable when it has got target data in memtable. If the data is in memtable, it means that data is lastest one, is there any other reason that it still has to seach in SSTable? Thanks！ ------------------ 赵豫峰 环信即时通讯云/研发
