In order to ensure the reliability of the snapshot storage of streaming applications, where are the snapshots mainly stored?

When using HBase for data reading services in Fusioninsight HD, you need to connect to HMaster.

Hive does not retrieve whether the data conforms to the schema during load. Hive follows the schema on read (read mode) and only checks the Hive data field schema during the read mode.

In the Fusioninsight Hadoop cluster, through df-hT query on a node, the partitions seen include the following:
/var/log
/srv/BigData
/srv/BigData/hadoop/data5
/srv/BigData/solr/solrserver3
/srv/BigData/dbdataom
What is the planned combination of the best Raid level for the disks corresponding to these partitions?

When the HDFS Client writes a file, the first copy of the data is determined by the NameNode, and the other copies are written by the Data Node.