A.When querying, the start parameter cannot be included in the request

B.The uniqueKey field must be sorted

C.The query field must be sorted

D.In the first query request, you need to specify the query parameters, the operation method is as follows: solrQuery.set (CursorMarkParams.CURSOR_MARK_PARAM, CursorMarkParams.CURSOR_MARK_START);

E.There will be nextCursorMark in the return result of Solr, use this value as oursorMark in the next call

A.In a network isolation environment, ZooKeeper's IP can be configured as either a service IP or a management IP.

B.In a secure cluster environment, before establishing a connection with Hive, you need to log in using a unified authentication method.

C.When using JDBC to submit SQL, you can add a semicolon ";" after the SQL statement.

D.Hive is different from traditional databases, so the connection established by JDBC does not need to be closed.

A.After Nimbus fails, the standby Nimbus will automatically take over, without affecting the running business.

B.Worker can be automatically pulled up by Supervisor after abnormal exit without manual intervention.

C.When a node fails, tasks on that node will be reassigned to other normal nodes without manual intervention.

D.After the Supervisor process exits, it can be automatically recognized and pulled up by Nimbus without affecting the running business.

A.Data summary (number of user clicks per day/week, click ranking)

B.Non-real-time analysis (log analysis, statistical analysis)

C.Data mining (user behavior analysis, interest division, regional display)

D.Real-time online data analysis

A.The attribute value with good dispersion is placed in the first half of Rowkey

B.Attribute values with good dispersion are placed in the second half of Rowkey

C.The attribute value with high access weight is placed in the second half of Rowkey

D.The attribute value with high access weight is placed in front of RowKey