A user information table meg is saved in HBaser of Fusioninsight HD_table, Rowkey is the user id, one of which is the name of the user, now write three KeyValues to this column in sequence:001:Li, 001:Mary001:Lily, may I ask scanmeg_table', (VERSION=>2) which pieces of data will be returned?
F1ume is used to collect data, and the basic unit of data transmitted by the device is
Which of the following programming languages is Spark implemented in?
AC
B.C++
C. JAVA
D. Scala
In the Kafka cluster, the role of the Kafka server is
TESTED 15 May 2024
