How does Flume handle data transfer failures?

In the data transfer process of Flume, if a failure occurs, Flume will respond accordingly based on the strategies defined in the configuration. Here are some common failure handling strategies in Flume.

  1. Backup storage: If Flume encounters a failure when sending data to the target storage, the data can be backed up to another storage to ensure that the data is not lost.
  2. Retry mechanism: When Flume fails to send data, it will attempt to resend the data according to the defined retry times and intervals in the configuration until it is successfully sent.
  3. Error logging: Flume is capable of recording data that fails to send to an error log for further analysis and handling.
  4. Discard data: In some cases, if the failed data won’t greatly impact the business, you can choose to discard this data to ensure the stability of the overall system.

In general, Flume offers a variety of fault handling strategies for users to choose from based on their specific business needs and scenarios in order to ensure reliable and stable data transfer.


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