server.channels.ch1.transactioncapacity indicates the transaction size, that is, the number of events that the current channel supports transaction processing, which can be set to the same size as the batch size of the source, but cannot be smaller than the batch size.

The MOB data in HBase is directly stored in HFile format on HDFS, and then the address information and size information of this file are stored as value on the store that manages HBase, and these files are managed centrally through tools. In this way, the compation and split frequency of HBase can be greatly reduced and the performance can be improved.

Multiple channels can be configured in the properties.protertises configuration file of Flume to transmit data.

In Huawei Fusioninsight, the HBase table design tool, connection pool management and enhanced SDK can simplify the business development of complex data tables.

HDFS starts from version 2.7.3, what is the default Block Size?